https://bugs.webkit.org/show_bug.cgi?id=141174
Reviewed by Geoffrey Garen.
Source/JavaScriptCore:
This is a major change to how JavaScriptCore handles declared variables (i.e. "var"). It removes
any ambiguity about whether a variable should be in the heap or on the stack. A variable will no
longer move between heap and stack during its lifetime. This enables a bunch of optimizations and
simplifications:
- Accesses to variables no longer need checks or indirections to determine where the variable is
at that moment in time. For example, loading a closure variable now takes just one load instead
of two. Loading an argument by index now takes a bounds check and a load in the fastest case
(when no arguments object allocation is required) while previously that same operation required
a "did I allocate arguments yet" check, a bounds check, and then the load.
- Reasoning about the allocation of an activation or arguments object now follows the same simple
logic as the allocation of any other kind of object. Previously, those objects were lazily
allocated - so an allocation instruction wasn't the actual allocation site, since it might not
allocate anything at all. This made the implementation of traditional escape analyses really
awkward, and ultimately it meant that we missed important cases. Now, we can reason about the
arguments object using the usual SSA tricks which allows for more comprehensive removal.
- The allocations of arguments objects, functions, and activations are now much faster. While
this patch generally expands our ability to eliminate arguments object allocations, an earlier
version of the patch - which lacked that functionality - was a progression on some arguments-
and closure-happy benchmarks because although no allocations were eliminated, all allocations
were faster.
- There is no tear-off. The runtime no loner needs to know about where on the stack a frame keeps
its arguments objects or activations. The runtime doesn't have to do things to the arguments
objects and activations that a frame allocated, when the frame is unwound. We always had horrid
bugs in that code, so it's good to see it go. This removes *a ton* of machinery from the DFG,
FTL, CodeBlock, and other places. All of the things having to do with "captured variables" is
now gone. This also enables implementing block-scoping. Without this change, block-scope
support would require telling CodeBlock and all of the rest of the runtime about all of the
variables that store currently-live scopes. That would have been so disastrously hard that it
might as well be impossible. With this change, it's fair game for the bytecode generator to
simply allocate whatever activations it wants, wherever it wants, and to keep them live for
however long it wants. This all works, because after bytecode generation, an activation is just
an object and variables that refer to it are just normal variables.
- SymbolTable can now tell you explicitly where a variable lives. The answer is in the form of a
VarOffset object, which has methods like isStack(), isScope(), etc. VirtualRegister is never
used for offsets of non-stack variables anymore. We now have shiny new objects for other kinds
of offsets - ScopeOffset for offsets into scopes, and DirectArgumentsOffset for offsets into
an arguments object.
- Functions that create activations can now tier-up into the FTL. Previously they couldn't. Also,
using activations used to prevent inlining; now functions that use activations can be inlined
just fine.
This is a >1% speed-up on Octane. This is a >2% speed-up on CompressionBench. This is a tiny
speed-up on AsmBench (~0.4% or something). This looks like it might be a speed-up on SunSpider.
It's only a slow-down on very short-running microbenchmarks we had previously written for our old
style of tear-off-based arguments optimization. Those benchmarks are not part of any major suite.
The easiest way of understanding this change is to start by looking at the changes in runtime/,
and then the changes in bytecompiler/, and then sort of work your way up the compiler tiers.
* CMakeLists.txt:
* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj:
* JavaScriptCore.xcodeproj/project.pbxproj:
* assembler/AbortReason.h:
* assembler/AbstractMacroAssembler.h:
(JSC::AbstractMacroAssembler::BaseIndex::withOffset):
* bytecode/ByValInfo.h:
(JSC::hasOptimizableIndexingForJSType):
(JSC::hasOptimizableIndexing):
(JSC::jitArrayModeForJSType):
(JSC::jitArrayModePermitsPut):
(JSC::jitArrayModeForStructure):
* bytecode/BytecodeKills.h: Added.
(JSC::BytecodeKills::BytecodeKills):
(JSC::BytecodeKills::operandIsKilled):
(JSC::BytecodeKills::forEachOperandKilledAt):
(JSC::BytecodeKills::KillSet::KillSet):
(JSC::BytecodeKills::KillSet::add):
(JSC::BytecodeKills::KillSet::forEachLocal):
(JSC::BytecodeKills::KillSet::contains):
* bytecode/BytecodeList.json:
* bytecode/BytecodeLivenessAnalysis.cpp:
(JSC::isValidRegisterForLiveness):
(JSC::stepOverInstruction):
(JSC::BytecodeLivenessAnalysis::runLivenessFixpoint):
(JSC::BytecodeLivenessAnalysis::getLivenessInfoAtBytecodeOffset):
(JSC::BytecodeLivenessAnalysis::operandIsLiveAtBytecodeOffset):
(JSC::BytecodeLivenessAnalysis::computeFullLiveness):
(JSC::BytecodeLivenessAnalysis::computeKills):
(JSC::indexForOperand): Deleted.
(JSC::BytecodeLivenessAnalysis::getLivenessInfoForNonCapturedVarsAtBytecodeOffset): Deleted.
(JSC::getLivenessInfo): Deleted.
* bytecode/BytecodeLivenessAnalysis.h:
* bytecode/BytecodeLivenessAnalysisInlines.h:
(JSC::operandIsAlwaysLive):
(JSC::operandThatIsNotAlwaysLiveIsLive):
(JSC::operandIsLive):
* bytecode/BytecodeUseDef.h:
(JSC::computeUsesForBytecodeOffset):
(JSC::computeDefsForBytecodeOffset):
* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dumpBytecode):
(JSC::CodeBlock::CodeBlock):
(JSC::CodeBlock::nameForRegister):
(JSC::CodeBlock::validate):
(JSC::CodeBlock::isCaptured): Deleted.
(JSC::CodeBlock::framePointerOffsetToGetActivationRegisters): Deleted.
(JSC::CodeBlock::machineSlowArguments): Deleted.
* bytecode/CodeBlock.h:
(JSC::unmodifiedArgumentsRegister): Deleted.
(JSC::CodeBlock::setArgumentsRegister): Deleted.
(JSC::CodeBlock::argumentsRegister): Deleted.
(JSC::CodeBlock::uncheckedArgumentsRegister): Deleted.
(JSC::CodeBlock::usesArguments): Deleted.
(JSC::CodeBlock::captureCount): Deleted.
(JSC::CodeBlock::captureStart): Deleted.
(JSC::CodeBlock::captureEnd): Deleted.
(JSC::CodeBlock::argumentIndexAfterCapture): Deleted.
(JSC::CodeBlock::hasSlowArguments): Deleted.
(JSC::ExecState::argumentAfterCapture): Deleted.
* bytecode/CodeOrigin.h:
* bytecode/DataFormat.h:
(JSC::dataFormatToString):
* bytecode/FullBytecodeLiveness.h:
(JSC::FullBytecodeLiveness::getLiveness):
(JSC::FullBytecodeLiveness::operandIsLive):
(JSC::FullBytecodeLiveness::FullBytecodeLiveness): Deleted.
(JSC::FullBytecodeLiveness::getOut): Deleted.
* bytecode/Instruction.h:
(JSC::Instruction::Instruction):
* bytecode/Operands.h:
(JSC::Operands::virtualRegisterForIndex):
* bytecode/SpeculatedType.cpp:
(JSC::dumpSpeculation):
(JSC::speculationToAbbreviatedString):
(JSC::speculationFromClassInfo):
* bytecode/SpeculatedType.h:
(JSC::isDirectArgumentsSpeculation):
(JSC::isScopedArgumentsSpeculation):
(JSC::isActionableMutableArraySpeculation):
(JSC::isActionableArraySpeculation):
(JSC::isArgumentsSpeculation): Deleted.
* bytecode/UnlinkedCodeBlock.cpp:
(JSC::UnlinkedCodeBlock::UnlinkedCodeBlock):
* bytecode/UnlinkedCodeBlock.h:
(JSC::UnlinkedCodeBlock::setArgumentsRegister): Deleted.
(JSC::UnlinkedCodeBlock::usesArguments): Deleted.
(JSC::UnlinkedCodeBlock::argumentsRegister): Deleted.
* bytecode/ValueRecovery.cpp:
(JSC::ValueRecovery::dumpInContext):
* bytecode/ValueRecovery.h:
(JSC::ValueRecovery::directArgumentsThatWereNotCreated):
(JSC::ValueRecovery::outOfBandArgumentsThatWereNotCreated):
(JSC::ValueRecovery::nodeID):
(JSC::ValueRecovery::argumentsThatWereNotCreated): Deleted.
* bytecode/VirtualRegister.h:
(JSC::VirtualRegister::operator==):
(JSC::VirtualRegister::operator!=):
(JSC::VirtualRegister::operator<):
(JSC::VirtualRegister::operator>):
(JSC::VirtualRegister::operator<=):
(JSC::VirtualRegister::operator>=):
* bytecompiler/BytecodeGenerator.cpp:
(JSC::BytecodeGenerator::generate):
(JSC::BytecodeGenerator::BytecodeGenerator):
(JSC::BytecodeGenerator::initializeNextParameter):
(JSC::BytecodeGenerator::visibleNameForParameter):
(JSC::BytecodeGenerator::emitMove):
(JSC::BytecodeGenerator::variable):
(JSC::BytecodeGenerator::createVariable):
(JSC::BytecodeGenerator::emitResolveScope):
(JSC::BytecodeGenerator::emitGetFromScope):
(JSC::BytecodeGenerator::emitPutToScope):
(JSC::BytecodeGenerator::initializeVariable):
(JSC::BytecodeGenerator::emitInstanceOf):
(JSC::BytecodeGenerator::emitNewFunction):
(JSC::BytecodeGenerator::emitNewFunctionInternal):
(JSC::BytecodeGenerator::emitCall):
(JSC::BytecodeGenerator::emitReturn):
(JSC::BytecodeGenerator::emitConstruct):
(JSC::BytecodeGenerator::isArgumentNumber):
(JSC::BytecodeGenerator::emitEnumeration):
(JSC::BytecodeGenerator::addVar): Deleted.
(JSC::BytecodeGenerator::emitInitLazyRegister): Deleted.
(JSC::BytecodeGenerator::initializeCapturedVariable): Deleted.
(JSC::BytecodeGenerator::resolveCallee): Deleted.
(JSC::BytecodeGenerator::addCallee): Deleted.
(JSC::BytecodeGenerator::addParameter): Deleted.
(JSC::BytecodeGenerator::willResolveToArgumentsRegister): Deleted.
(JSC::BytecodeGenerator::uncheckedLocalArgumentsRegister): Deleted.
(JSC::BytecodeGenerator::createLazyRegisterIfNecessary): Deleted.
(JSC::BytecodeGenerator::isCaptured): Deleted.
(JSC::BytecodeGenerator::local): Deleted.
(JSC::BytecodeGenerator::constLocal): Deleted.
(JSC::BytecodeGenerator::emitResolveConstantLocal): Deleted.
(JSC::BytecodeGenerator::emitGetArgumentsLength): Deleted.
(JSC::BytecodeGenerator::emitGetArgumentByVal): Deleted.
(JSC::BytecodeGenerator::emitLazyNewFunction): Deleted.
(JSC::BytecodeGenerator::createArgumentsIfNecessary): Deleted.
* bytecompiler/BytecodeGenerator.h:
(JSC::Variable::Variable):
(JSC::Variable::isResolved):
(JSC::Variable::ident):
(JSC::Variable::offset):
(JSC::Variable::isLocal):
(JSC::Variable::local):
(JSC::Variable::isSpecial):
(JSC::BytecodeGenerator::argumentsRegister):
(JSC::BytecodeGenerator::emitNode):
(JSC::BytecodeGenerator::registerFor):
(JSC::Local::Local): Deleted.
(JSC::Local::operator bool): Deleted.
(JSC::Local::get): Deleted.
(JSC::Local::isSpecial): Deleted.
(JSC::ResolveScopeInfo::ResolveScopeInfo): Deleted.
(JSC::ResolveScopeInfo::isLocal): Deleted.
(JSC::ResolveScopeInfo::localIndex): Deleted.
(JSC::BytecodeGenerator::hasSafeLocalArgumentsRegister): Deleted.
(JSC::BytecodeGenerator::captureMode): Deleted.
(JSC::BytecodeGenerator::shouldTearOffArgumentsEagerly): Deleted.
(JSC::BytecodeGenerator::shouldCreateArgumentsEagerly): Deleted.
(JSC::BytecodeGenerator::hasWatchableVariable): Deleted.
(JSC::BytecodeGenerator::watchableVariableIdentifier): Deleted.
* bytecompiler/NodesCodegen.cpp:
(JSC::ResolveNode::isPure):
(JSC::ResolveNode::emitBytecode):
(JSC::BracketAccessorNode::emitBytecode):
(JSC::DotAccessorNode::emitBytecode):
(JSC::EvalFunctionCallNode::emitBytecode):
(JSC::FunctionCallResolveNode::emitBytecode):
(JSC::CallFunctionCallDotNode::emitBytecode):
(JSC::ApplyFunctionCallDotNode::emitBytecode):
(JSC::PostfixNode::emitResolve):
(JSC::DeleteResolveNode::emitBytecode):
(JSC::TypeOfResolveNode::emitBytecode):
(JSC::PrefixNode::emitResolve):
(JSC::ReadModifyResolveNode::emitBytecode):
(JSC::AssignResolveNode::emitBytecode):
(JSC::ConstDeclNode::emitCodeSingle):
(JSC::EmptyVarExpression::emitBytecode):
(JSC::ForInNode::tryGetBoundLocal):
(JSC::ForInNode::emitLoopHeader):
(JSC::ForOfNode::emitBytecode):
(JSC::ArrayPatternNode::emitDirectBinding):
(JSC::BindingNode::bindValue):
(JSC::getArgumentByVal): Deleted.
* dfg/DFGAbstractHeap.h:
* dfg/DFGAbstractInterpreter.h:
* dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
(JSC::DFG::AbstractInterpreter<AbstractStateType>::clobberWorld):
(JSC::DFG::AbstractInterpreter<AbstractStateType>::clobberCapturedVars): Deleted.
* dfg/DFGAbstractValue.h:
* dfg/DFGArgumentPosition.h:
(JSC::DFG::ArgumentPosition::addVariable):
* dfg/DFGArgumentsEliminationPhase.cpp: Added.
(JSC::DFG::performArgumentsElimination):
* dfg/DFGArgumentsEliminationPhase.h: Added.
* dfg/DFGArgumentsSimplificationPhase.cpp: Removed.
* dfg/DFGArgumentsSimplificationPhase.h: Removed.
* dfg/DFGArgumentsUtilities.cpp: Added.
(JSC::DFG::argumentsInvolveStackSlot):
(JSC::DFG::emitCodeToGetArgumentsArrayLength):
* dfg/DFGArgumentsUtilities.h: Added.
* dfg/DFGArrayMode.cpp:
(JSC::DFG::ArrayMode::refine):
(JSC::DFG::ArrayMode::alreadyChecked):
(JSC::DFG::arrayTypeToString):
* dfg/DFGArrayMode.h:
(JSC::DFG::ArrayMode::canCSEStorage):
(JSC::DFG::ArrayMode::modeForPut):
* dfg/DFGAvailabilityMap.cpp:
(JSC::DFG::AvailabilityMap::prune):
* dfg/DFGAvailabilityMap.h:
(JSC::DFG::AvailabilityMap::closeOverNodes):
(JSC::DFG::AvailabilityMap::closeStartingWithLocal):
* dfg/DFGBackwardsPropagationPhase.cpp:
(JSC::DFG::BackwardsPropagationPhase::propagate):
* dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::newVariableAccessData):
(JSC::DFG::ByteCodeParser::getLocal):
(JSC::DFG::ByteCodeParser::setLocal):
(JSC::DFG::ByteCodeParser::getArgument):
(JSC::DFG::ByteCodeParser::setArgument):
(JSC::DFG::ByteCodeParser::flushDirect):
(JSC::DFG::ByteCodeParser::flush):
(JSC::DFG::ByteCodeParser::noticeArgumentsUse):
(JSC::DFG::ByteCodeParser::handleVarargsCall):
(JSC::DFG::ByteCodeParser::attemptToInlineCall):
(JSC::DFG::ByteCodeParser::handleInlining):
(JSC::DFG::ByteCodeParser::parseBlock):
(JSC::DFG::ByteCodeParser::InlineStackEntry::InlineStackEntry):
(JSC::DFG::ByteCodeParser::parseCodeBlock):
* dfg/DFGCPSRethreadingPhase.cpp:
(JSC::DFG::CPSRethreadingPhase::canonicalizeGetLocalFor):
(JSC::DFG::CPSRethreadingPhase::canonicalizeLocalsInBlock):
* dfg/DFGCSEPhase.cpp:
* dfg/DFGCallCreateDirectArgumentsSlowPathGenerator.h: Added.
(JSC::DFG::CallCreateDirectArgumentsSlowPathGenerator::CallCreateDirectArgumentsSlowPathGenerator):
* dfg/DFGCapabilities.cpp:
(JSC::DFG::isSupportedForInlining):
(JSC::DFG::capabilityLevel):
* dfg/DFGClobberize.h:
(JSC::DFG::clobberize):
* dfg/DFGCommon.h:
* dfg/DFGCommonData.h:
(JSC::DFG::CommonData::CommonData):
* dfg/DFGConstantFoldingPhase.cpp:
(JSC::DFG::ConstantFoldingPhase::foldConstants):
* dfg/DFGDCEPhase.cpp:
(JSC::DFG::DCEPhase::cleanVariables):
* dfg/DFGDisassembler.h:
* dfg/DFGDoesGC.cpp:
(JSC::DFG::doesGC):
* dfg/DFGFixupPhase.cpp:
(JSC::DFG::FixupPhase::fixupNode):
* dfg/DFGFlushFormat.cpp:
(WTF::printInternal):
* dfg/DFGFlushFormat.h:
(JSC::DFG::resultFor):
(JSC::DFG::useKindFor):
(JSC::DFG::dataFormatFor):
* dfg/DFGForAllKills.h: Added.
(JSC::DFG::forAllLiveNodesAtTail):
(JSC::DFG::forAllDirectlyKilledOperands):
(JSC::DFG::forAllKilledOperands):
(JSC::DFG::forAllKilledNodesAtNodeIndex):
(JSC::DFG::forAllKillsInBlock):
* dfg/DFGGraph.cpp:
(JSC::DFG::Graph::Graph):
(JSC::DFG::Graph::dump):
(JSC::DFG::Graph::substituteGetLocal):
(JSC::DFG::Graph::livenessFor):
(JSC::DFG::Graph::killsFor):
(JSC::DFG::Graph::tryGetConstantClosureVar):
(JSC::DFG::Graph::tryGetRegisters): Deleted.
* dfg/DFGGraph.h:
(JSC::DFG::Graph::symbolTableFor):
(JSC::DFG::Graph::uses):
(JSC::DFG::Graph::bytecodeRegisterForArgument): Deleted.
(JSC::DFG::Graph::capturedVarsFor): Deleted.
(JSC::DFG::Graph::usesArguments): Deleted.
(JSC::DFG::Graph::argumentsRegisterFor): Deleted.
(JSC::DFG::Graph::machineArgumentsRegisterFor): Deleted.
(JSC::DFG::Graph::uncheckedArgumentsRegisterFor): Deleted.
* dfg/DFGHeapLocation.cpp:
(WTF::printInternal):
* dfg/DFGHeapLocation.h:
* dfg/DFGInPlaceAbstractState.cpp:
(JSC::DFG::InPlaceAbstractState::initialize):
(JSC::DFG::InPlaceAbstractState::mergeStateAtTail):
* dfg/DFGJITCompiler.cpp:
(JSC::DFG::JITCompiler::link):
* dfg/DFGMayExit.cpp:
(JSC::DFG::mayExit):
* dfg/DFGMinifiedID.h:
* dfg/DFGMinifiedNode.cpp:
(JSC::DFG::MinifiedNode::fromNode):
* dfg/DFGMinifiedNode.h:
(JSC::DFG::belongsInMinifiedGraph):
(JSC::DFG::MinifiedNode::hasInlineCallFrame):
(JSC::DFG::MinifiedNode::inlineCallFrame):
* dfg/DFGNode.cpp:
(JSC::DFG::Node::convertToIdentityOn):
* dfg/DFGNode.h:
(JSC::DFG::Node::hasConstant):
(JSC::DFG::Node::constant):
(JSC::DFG::Node::hasScopeOffset):
(JSC::DFG::Node::scopeOffset):
(JSC::DFG::Node::hasDirectArgumentsOffset):
(JSC::DFG::Node::capturedArgumentsOffset):
(JSC::DFG::Node::variablePointer):
(JSC::DFG::Node::hasCallVarargsData):
(JSC::DFG::Node::hasLoadVarargsData):
(JSC::DFG::Node::hasHeapPrediction):
(JSC::DFG::Node::hasCellOperand):
(JSC::DFG::Node::objectMaterializationData):
(JSC::DFG::Node::isPhantomAllocation):
(JSC::DFG::Node::willHaveCodeGenOrOSR):
(JSC::DFG::Node::shouldSpeculateDirectArguments):
(JSC::DFG::Node::shouldSpeculateScopedArguments):
(JSC::DFG::Node::isPhantomArguments): Deleted.
(JSC::DFG::Node::hasVarNumber): Deleted.
(JSC::DFG::Node::varNumber): Deleted.
(JSC::DFG::Node::registerPointer): Deleted.
(JSC::DFG::Node::shouldSpeculateArguments): Deleted.
* dfg/DFGNodeType.h:
* dfg/DFGOSRAvailabilityAnalysisPhase.cpp:
(JSC::DFG::OSRAvailabilityAnalysisPhase::run):
(JSC::DFG::LocalOSRAvailabilityCalculator::executeNode):
* dfg/DFGOSRExitCompiler.cpp:
(JSC::DFG::OSRExitCompiler::emitRestoreArguments):
* dfg/DFGOSRExitCompiler.h:
(JSC::DFG::OSRExitCompiler::badIndex): Deleted.
(JSC::DFG::OSRExitCompiler::initializePoisoned): Deleted.
(JSC::DFG::OSRExitCompiler::poisonIndex): Deleted.
* dfg/DFGOSRExitCompiler32_64.cpp:
(JSC::DFG::OSRExitCompiler::compileExit):
* dfg/DFGOSRExitCompiler64.cpp:
(JSC::DFG::OSRExitCompiler::compileExit):
* dfg/DFGOSRExitCompilerCommon.cpp:
(JSC::DFG::reifyInlinedCallFrames):
(JSC::DFG::ArgumentsRecoveryGenerator::ArgumentsRecoveryGenerator): Deleted.
(JSC::DFG::ArgumentsRecoveryGenerator::~ArgumentsRecoveryGenerator): Deleted.
(JSC::DFG::ArgumentsRecoveryGenerator::generateFor): Deleted.
* dfg/DFGOSRExitCompilerCommon.h:
* dfg/DFGOperations.cpp:
* dfg/DFGOperations.h:
* dfg/DFGPlan.cpp:
(JSC::DFG::Plan::compileInThreadImpl):
* dfg/DFGPreciseLocalClobberize.h:
(JSC::DFG::PreciseLocalClobberizeAdaptor::read):
(JSC::DFG::PreciseLocalClobberizeAdaptor::write):
(JSC::DFG::PreciseLocalClobberizeAdaptor::def):
(JSC::DFG::PreciseLocalClobberizeAdaptor::readTop):
(JSC::DFG::preciseLocalClobberize):
(JSC::DFG::PreciseLocalClobberizeAdaptor::writeTop): Deleted.
(JSC::DFG::forEachLocalReadByUnwind): Deleted.
* dfg/DFGPredictionPropagationPhase.cpp:
(JSC::DFG::PredictionPropagationPhase::run):
(JSC::DFG::PredictionPropagationPhase::propagate):
(JSC::DFG::PredictionPropagationPhase::doRoundOfDoubleVoting):
(JSC::DFG::PredictionPropagationPhase::propagateThroughArgumentPositions):
* dfg/DFGPromoteHeapAccess.h:
(JSC::DFG::promoteHeapAccess):
* dfg/DFGPromotedHeapLocation.cpp:
(WTF::printInternal):
* dfg/DFGPromotedHeapLocation.h:
* dfg/DFGSSAConversionPhase.cpp:
(JSC::DFG::SSAConversionPhase::run):
* dfg/DFGSafeToExecute.h:
(JSC::DFG::safeToExecute):
* dfg/DFGSpeculativeJIT.cpp:
(JSC::DFG::SpeculativeJIT::emitAllocateJSArray):
(JSC::DFG::SpeculativeJIT::emitGetLength):
(JSC::DFG::SpeculativeJIT::emitGetCallee):
(JSC::DFG::SpeculativeJIT::emitGetArgumentStart):
(JSC::DFG::SpeculativeJIT::checkArray):
(JSC::DFG::SpeculativeJIT::compileGetByValOnDirectArguments):
(JSC::DFG::SpeculativeJIT::compileGetByValOnScopedArguments):
(JSC::DFG::SpeculativeJIT::compileGetArrayLength):
(JSC::DFG::SpeculativeJIT::compileNewFunction):
(JSC::DFG::SpeculativeJIT::compileForwardVarargs):
(JSC::DFG::SpeculativeJIT::compileCreateActivation):
(JSC::DFG::SpeculativeJIT::compileCreateDirectArguments):
(JSC::DFG::SpeculativeJIT::compileGetFromArguments):
(JSC::DFG::SpeculativeJIT::compilePutToArguments):
(JSC::DFG::SpeculativeJIT::compileCreateScopedArguments):
(JSC::DFG::SpeculativeJIT::compileCreateClonedArguments):
(JSC::DFG::SpeculativeJIT::emitAllocateArguments): Deleted.
(JSC::DFG::SpeculativeJIT::compileGetByValOnArguments): Deleted.
(JSC::DFG::SpeculativeJIT::compileGetArgumentsLength): Deleted.
(JSC::DFG::SpeculativeJIT::compileNewFunctionNoCheck): Deleted.
(JSC::DFG::SpeculativeJIT::compileNewFunctionExpression): Deleted.
* dfg/DFGSpeculativeJIT.h:
(JSC::DFG::SpeculativeJIT::callOperation):
(JSC::DFG::SpeculativeJIT::emitAllocateJSObjectWithKnownSize):
(JSC::DFG::SpeculativeJIT::emitAllocateJSObject):
(JSC::DFG::SpeculativeJIT::framePointerOffsetToGetActivationRegisters): Deleted.
* dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::emitCall):
(JSC::DFG::SpeculativeJIT::compile):
* dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::emitCall):
(JSC::DFG::SpeculativeJIT::compile):
* dfg/DFGStackLayoutPhase.cpp:
(JSC::DFG::StackLayoutPhase::run):
* dfg/DFGStrengthReductionPhase.cpp:
(JSC::DFG::StrengthReductionPhase::handleNode):
* dfg/DFGStructureRegistrationPhase.cpp:
(JSC::DFG::StructureRegistrationPhase::run):
* dfg/DFGUnificationPhase.cpp:
(JSC::DFG::UnificationPhase::run):
* dfg/DFGValidate.cpp:
(JSC::DFG::Validate::validateCPS):
* dfg/DFGValueSource.cpp:
(JSC::DFG::ValueSource::dump):
* dfg/DFGValueSource.h:
(JSC::DFG::dataFormatToValueSourceKind):
(JSC::DFG::valueSourceKindToDataFormat):
(JSC::DFG::ValueSource::ValueSource):
(JSC::DFG::ValueSource::forFlushFormat):
(JSC::DFG::ValueSource::valueRecovery):
* dfg/DFGVarargsForwardingPhase.cpp: Added.
(JSC::DFG::performVarargsForwarding):
* dfg/DFGVarargsForwardingPhase.h: Added.
* dfg/DFGVariableAccessData.cpp:
(JSC::DFG::VariableAccessData::VariableAccessData):
(JSC::DFG::VariableAccessData::flushFormat):
(JSC::DFG::VariableAccessData::mergeIsCaptured): Deleted.
* dfg/DFGVariableAccessData.h:
(JSC::DFG::VariableAccessData::shouldNeverUnbox):
(JSC::DFG::VariableAccessData::shouldUseDoubleFormat):
(JSC::DFG::VariableAccessData::isCaptured): Deleted.
(JSC::DFG::VariableAccessData::mergeIsArgumentsAlias): Deleted.
(JSC::DFG::VariableAccessData::isArgumentsAlias): Deleted.
* dfg/DFGVariableAccessDataDump.cpp:
(JSC::DFG::VariableAccessDataDump::dump):
* dfg/DFGVariableAccessDataDump.h:
* dfg/DFGVariableEventStream.cpp:
(JSC::DFG::VariableEventStream::tryToSetConstantRecovery):
* dfg/DFGVariableEventStream.h:
* ftl/FTLAbstractHeap.cpp:
(JSC::FTL::AbstractHeap::dump):
(JSC::FTL::AbstractField::dump):
(JSC::FTL::IndexedAbstractHeap::dump):
(JSC::FTL::NumberedAbstractHeap::dump):
(JSC::FTL::AbsoluteAbstractHeap::dump):
* ftl/FTLAbstractHeap.h:
* ftl/FTLAbstractHeapRepository.cpp:
* ftl/FTLAbstractHeapRepository.h:
* ftl/FTLCapabilities.cpp:
(JSC::FTL::canCompile):
* ftl/FTLCompile.cpp:
(JSC::FTL::mmAllocateDataSection):
* ftl/FTLExitArgument.cpp:
(JSC::FTL::ExitArgument::dump):
* ftl/FTLExitPropertyValue.cpp:
(JSC::FTL::ExitPropertyValue::withLocalsOffset):
* ftl/FTLExitPropertyValue.h:
* ftl/FTLExitTimeObjectMaterialization.cpp:
(JSC::FTL::ExitTimeObjectMaterialization::ExitTimeObjectMaterialization):
(JSC::FTL::ExitTimeObjectMaterialization::accountForLocalsOffset):
* ftl/FTLExitTimeObjectMaterialization.h:
(JSC::FTL::ExitTimeObjectMaterialization::origin):
* ftl/FTLExitValue.cpp:
(JSC::FTL::ExitValue::withLocalsOffset):
(JSC::FTL::ExitValue::valueFormat):
(JSC::FTL::ExitValue::dumpInContext):
* ftl/FTLExitValue.h:
(JSC::FTL::ExitValue::isArgument):
(JSC::FTL::ExitValue::argumentsObjectThatWasNotCreated): Deleted.
(JSC::FTL::ExitValue::isArgumentsObjectThatWasNotCreated): Deleted.
(JSC::FTL::ExitValue::valueFormat): Deleted.
* ftl/FTLInlineCacheSize.cpp:
(JSC::FTL::sizeOfCallForwardVarargs):
(JSC::FTL::sizeOfConstructForwardVarargs):
(JSC::FTL::sizeOfICFor):
* ftl/FTLInlineCacheSize.h:
* ftl/FTLIntrinsicRepository.h:
* ftl/FTLJSCallVarargs.cpp:
(JSC::FTL::JSCallVarargs::JSCallVarargs):
(JSC::FTL::JSCallVarargs::emit):
* ftl/FTLJSCallVarargs.h:
* ftl/FTLLowerDFGToLLVM.cpp:
(JSC::FTL::LowerDFGToLLVM::lower):
(JSC::FTL::LowerDFGToLLVM::compileNode):
(JSC::FTL::LowerDFGToLLVM::compilePutStack):
(JSC::FTL::LowerDFGToLLVM::compileGetArrayLength):
(JSC::FTL::LowerDFGToLLVM::compileGetByVal):
(JSC::FTL::LowerDFGToLLVM::compileGetMyArgumentByVal):
(JSC::FTL::LowerDFGToLLVM::compilePutByVal):
(JSC::FTL::LowerDFGToLLVM::compileArrayPush):
(JSC::FTL::LowerDFGToLLVM::compileArrayPop):
(JSC::FTL::LowerDFGToLLVM::compileCreateActivation):
(JSC::FTL::LowerDFGToLLVM::compileNewFunction):
(JSC::FTL::LowerDFGToLLVM::compileCreateDirectArguments):
(JSC::FTL::LowerDFGToLLVM::compileCreateScopedArguments):
(JSC::FTL::LowerDFGToLLVM::compileCreateClonedArguments):
(JSC::FTL::LowerDFGToLLVM::compileStringCharAt):
(JSC::FTL::LowerDFGToLLVM::compileStringCharCodeAt):
(JSC::FTL::LowerDFGToLLVM::compileGetGlobalVar):
(JSC::FTL::LowerDFGToLLVM::compilePutGlobalVar):
(JSC::FTL::LowerDFGToLLVM::compileGetArgumentCount):
(JSC::FTL::LowerDFGToLLVM::compileGetClosureVar):
(JSC::FTL::LowerDFGToLLVM::compilePutClosureVar):
(JSC::FTL::LowerDFGToLLVM::compileGetFromArguments):
(JSC::FTL::LowerDFGToLLVM::compilePutToArguments):
(JSC::FTL::LowerDFGToLLVM::compileCallOrConstructVarargs):
(JSC::FTL::LowerDFGToLLVM::compileForwardVarargs):
(JSC::FTL::LowerDFGToLLVM::compileGetEnumeratorPname):
(JSC::FTL::LowerDFGToLLVM::ArgumentsLength::ArgumentsLength):
(JSC::FTL::LowerDFGToLLVM::getArgumentsLength):
(JSC::FTL::LowerDFGToLLVM::getCurrentCallee):
(JSC::FTL::LowerDFGToLLVM::getArgumentsStart):
(JSC::FTL::LowerDFGToLLVM::baseIndex):
(JSC::FTL::LowerDFGToLLVM::allocateObject):
(JSC::FTL::LowerDFGToLLVM::allocateVariableSizedObject):
(JSC::FTL::LowerDFGToLLVM::isArrayType):
(JSC::FTL::LowerDFGToLLVM::emitStoreBarrier):
(JSC::FTL::LowerDFGToLLVM::buildExitArguments):
(JSC::FTL::LowerDFGToLLVM::exitValueForAvailability):
(JSC::FTL::LowerDFGToLLVM::exitValueForNode):
(JSC::FTL::LowerDFGToLLVM::loadStructure):
(JSC::FTL::LowerDFGToLLVM::compilePhantomArguments): Deleted.
(JSC::FTL::LowerDFGToLLVM::compileGetMyArgumentsLength): Deleted.
(JSC::FTL::LowerDFGToLLVM::compileGetClosureRegisters): Deleted.
(JSC::FTL::LowerDFGToLLVM::compileCheckArgumentsNotCreated): Deleted.
(JSC::FTL::LowerDFGToLLVM::checkArgumentsNotCreated): Deleted.
* ftl/FTLOSRExitCompiler.cpp:
(JSC::FTL::compileRecovery):
(JSC::FTL::compileStub):
* ftl/FTLOperations.cpp:
(JSC::FTL::operationMaterializeObjectInOSR):
* ftl/FTLOutput.h:
(JSC::FTL::Output::aShr):
(JSC::FTL::Output::lShr):
(JSC::FTL::Output::zeroExtPtr):
* heap/CopyToken.h:
* interpreter/CallFrame.h:
(JSC::ExecState::getArgumentUnsafe):
* interpreter/Interpreter.cpp:
(JSC::sizeOfVarargs):
(JSC::sizeFrameForVarargs):
(JSC::loadVarargs):
(JSC::unwindCallFrame):
* interpreter/Interpreter.h:
* interpreter/StackVisitor.cpp:
(JSC::StackVisitor::Frame::createArguments):
(JSC::StackVisitor::Frame::existingArguments): Deleted.
* interpreter/StackVisitor.h:
* jit/AssemblyHelpers.h:
(JSC::AssemblyHelpers::storeValue):
(JSC::AssemblyHelpers::loadValue):
(JSC::AssemblyHelpers::storeTrustedValue):
(JSC::AssemblyHelpers::branchIfNotCell):
(JSC::AssemblyHelpers::branchIsEmpty):
(JSC::AssemblyHelpers::argumentsStart):
(JSC::AssemblyHelpers::baselineArgumentsRegisterFor): Deleted.
(JSC::AssemblyHelpers::offsetOfLocals): Deleted.
(JSC::AssemblyHelpers::offsetOfArguments): Deleted.
* jit/CCallHelpers.h:
(JSC::CCallHelpers::setupArgument):
* jit/GPRInfo.h:
(JSC::JSValueRegs::withTwoAvailableRegs):
* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):
(JSC::JIT::privateCompileSlowCases):
* jit/JIT.h:
* jit/JITCall.cpp:
(JSC::JIT::compileSetupVarargsFrame):
* jit/JITCall32_64.cpp:
(JSC::JIT::compileSetupVarargsFrame):
* jit/JITInlines.h:
(JSC::JIT::callOperation):
* jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_create_lexical_environment):
(JSC::JIT::emit_op_new_func):
(JSC::JIT::emit_op_create_direct_arguments):
(JSC::JIT::emit_op_create_scoped_arguments):
(JSC::JIT::emit_op_create_out_of_band_arguments):
(JSC::JIT::emit_op_tear_off_arguments): Deleted.
(JSC::JIT::emit_op_create_arguments): Deleted.
(JSC::JIT::emit_op_init_lazy_reg): Deleted.
(JSC::JIT::emit_op_get_arguments_length): Deleted.
(JSC::JIT::emitSlow_op_get_arguments_length): Deleted.
(JSC::JIT::emit_op_get_argument_by_val): Deleted.
(JSC::JIT::emitSlow_op_get_argument_by_val): Deleted.
* jit/JITOpcodes32_64.cpp:
(JSC::JIT::emit_op_create_lexical_environment):
(JSC::JIT::emit_op_tear_off_arguments): Deleted.
(JSC::JIT::emit_op_create_arguments): Deleted.
(JSC::JIT::emit_op_init_lazy_reg): Deleted.
(JSC::JIT::emit_op_get_arguments_length): Deleted.
(JSC::JIT::emitSlow_op_get_arguments_length): Deleted.
(JSC::JIT::emit_op_get_argument_by_val): Deleted.
(JSC::JIT::emitSlow_op_get_argument_by_val): Deleted.
* jit/JITOperations.cpp:
* jit/JITOperations.h:
* jit/JITPropertyAccess.cpp:
(JSC::JIT::emitGetClosureVar):
(JSC::JIT::emitPutClosureVar):
(JSC::JIT::emit_op_get_from_arguments):
(JSC::JIT::emit_op_put_to_arguments):
(JSC::JIT::emit_op_init_global_const):
(JSC::JIT::privateCompileGetByVal):
(JSC::JIT::emitDirectArgumentsGetByVal):
(JSC::JIT::emitScopedArgumentsGetByVal):
* jit/JITPropertyAccess32_64.cpp:
(JSC::JIT::emitGetClosureVar):
(JSC::JIT::emitPutClosureVar):
(JSC::JIT::emit_op_get_from_arguments):
(JSC::JIT::emit_op_put_to_arguments):
(JSC::JIT::emit_op_init_global_const):
* jit/SetupVarargsFrame.cpp:
(JSC::emitSetupVarargsFrameFastCase):
* llint/LLIntOffsetsExtractor.cpp:
* llint/LLIntSlowPaths.cpp:
(JSC::LLInt::LLINT_SLOW_PATH_DECL):
* llint/LowLevelInterpreter.asm:
* llint/LowLevelInterpreter32_64.asm:
* llint/LowLevelInterpreter64.asm:
* parser/Nodes.h:
(JSC::ScopeNode::captures):
* runtime/Arguments.cpp: Removed.
* runtime/Arguments.h: Removed.
* runtime/ArgumentsMode.h: Added.
* runtime/DirectArgumentsOffset.cpp: Added.
(JSC::DirectArgumentsOffset::dump):
* runtime/DirectArgumentsOffset.h: Added.
(JSC::DirectArgumentsOffset::DirectArgumentsOffset):
* runtime/CommonSlowPaths.cpp:
(JSC::SLOW_PATH_DECL):
* runtime/CommonSlowPaths.h:
* runtime/ConstantMode.cpp: Added.
(WTF::printInternal):
* runtime/ConstantMode.h:
(JSC::modeForIsConstant):
* runtime/DirectArguments.cpp: Added.
(JSC::DirectArguments::DirectArguments):
(JSC::DirectArguments::createUninitialized):
(JSC::DirectArguments::create):
(JSC::DirectArguments::createByCopying):
(JSC::DirectArguments::visitChildren):
(JSC::DirectArguments::copyBackingStore):
(JSC::DirectArguments::createStructure):
(JSC::DirectArguments::overrideThings):
(JSC::DirectArguments::overrideThingsIfNecessary):
(JSC::DirectArguments::overrideArgument):
(JSC::DirectArguments::copyToArguments):
(JSC::DirectArguments::overridesSize):
* runtime/DirectArguments.h: Added.
(JSC::DirectArguments::internalLength):
(JSC::DirectArguments::length):
(JSC::DirectArguments::canAccessIndexQuickly):
(JSC::DirectArguments::getIndexQuickly):
(JSC::DirectArguments::setIndexQuickly):
(JSC::DirectArguments::callee):
(JSC::DirectArguments::argument):
(JSC::DirectArguments::overrodeThings):
(JSC::DirectArguments::offsetOfCallee):
(JSC::DirectArguments::offsetOfLength):
(JSC::DirectArguments::offsetOfMinCapacity):
(JSC::DirectArguments::offsetOfOverrides):
(JSC::DirectArguments::storageOffset):
(JSC::DirectArguments::offsetOfSlot):
(JSC::DirectArguments::allocationSize):
(JSC::DirectArguments::storage):
* runtime/FunctionPrototype.cpp:
* runtime/GenericArguments.h: Added.
(JSC::GenericArguments::GenericArguments):
* runtime/GenericArgumentsInlines.h: Added.
(JSC::GenericArguments<Type>::getOwnPropertySlot):
(JSC::GenericArguments<Type>::getOwnPropertySlotByIndex):
(JSC::GenericArguments<Type>::getOwnPropertyNames):
(JSC::GenericArguments<Type>::put):
(JSC::GenericArguments<Type>::putByIndex):
(JSC::GenericArguments<Type>::deleteProperty):
(JSC::GenericArguments<Type>::deletePropertyByIndex):
(JSC::GenericArguments<Type>::defineOwnProperty):
(JSC::GenericArguments<Type>::copyToArguments):
* runtime/GenericOffset.h: Added.
(JSC::GenericOffset::GenericOffset):
(JSC::GenericOffset::operator!):
(JSC::GenericOffset::offsetUnchecked):
(JSC::GenericOffset::offset):
(JSC::GenericOffset::operator==):
(JSC::GenericOffset::operator!=):
(JSC::GenericOffset::operator<):
(JSC::GenericOffset::operator>):
(JSC::GenericOffset::operator<=):
(JSC::GenericOffset::operator>=):
(JSC::GenericOffset::operator+):
(JSC::GenericOffset::operator-):
(JSC::GenericOffset::operator+=):
(JSC::GenericOffset::operator-=):
* runtime/JSArgumentsIterator.cpp:
(JSC::JSArgumentsIterator::finishCreation):
(JSC::argumentsFuncIterator):
* runtime/JSArgumentsIterator.h:
(JSC::JSArgumentsIterator::create):
(JSC::JSArgumentsIterator::next):
* runtime/JSEnvironmentRecord.cpp:
(JSC::JSEnvironmentRecord::visitChildren):
* runtime/JSEnvironmentRecord.h:
(JSC::JSEnvironmentRecord::variables):
(JSC::JSEnvironmentRecord::isValid):
(JSC::JSEnvironmentRecord::variableAt):
(JSC::JSEnvironmentRecord::offsetOfVariables):
(JSC::JSEnvironmentRecord::offsetOfVariable):
(JSC::JSEnvironmentRecord::allocationSizeForScopeSize):
(JSC::JSEnvironmentRecord::allocationSize):
(JSC::JSEnvironmentRecord::JSEnvironmentRecord):
(JSC::JSEnvironmentRecord::finishCreationUninitialized):
(JSC::JSEnvironmentRecord::finishCreation):
(JSC::JSEnvironmentRecord::registers): Deleted.
(JSC::JSEnvironmentRecord::registerAt): Deleted.
(JSC::JSEnvironmentRecord::addressOfRegisters): Deleted.
(JSC::JSEnvironmentRecord::offsetOfRegisters): Deleted.
* runtime/JSFunction.cpp:
* runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::init):
(JSC::JSGlobalObject::addGlobalVar):
(JSC::JSGlobalObject::addFunction):
(JSC::JSGlobalObject::visitChildren):
(JSC::JSGlobalObject::addStaticGlobals):
* runtime/JSGlobalObject.h:
(JSC::JSGlobalObject::directArgumentsStructure):
(JSC::JSGlobalObject::scopedArgumentsStructure):
(JSC::JSGlobalObject::outOfBandArgumentsStructure):
(JSC::JSGlobalObject::argumentsStructure): Deleted.
* runtime/JSLexicalEnvironment.cpp:
(JSC::JSLexicalEnvironment::symbolTableGet):
(JSC::JSLexicalEnvironment::symbolTablePut):
(JSC::JSLexicalEnvironment::getOwnNonIndexPropertyNames):
(JSC::JSLexicalEnvironment::symbolTablePutWithAttributes):
(JSC::JSLexicalEnvironment::visitChildren): Deleted.
* runtime/JSLexicalEnvironment.h:
(JSC::JSLexicalEnvironment::create):
(JSC::JSLexicalEnvironment::JSLexicalEnvironment):
(JSC::JSLexicalEnvironment::registersOffset): Deleted.
(JSC::JSLexicalEnvironment::storageOffset): Deleted.
(JSC::JSLexicalEnvironment::storage): Deleted.
(JSC::JSLexicalEnvironment::allocationSize): Deleted.
(JSC::JSLexicalEnvironment::isValidIndex): Deleted.
(JSC::JSLexicalEnvironment::isValid): Deleted.
(JSC::JSLexicalEnvironment::registerAt): Deleted.
* runtime/JSNameScope.cpp:
(JSC::JSNameScope::visitChildren): Deleted.
* runtime/JSNameScope.h:
(JSC::JSNameScope::create):
(JSC::JSNameScope::value):
(JSC::JSNameScope::finishCreation):
(JSC::JSNameScope::JSNameScope):
* runtime/JSScope.cpp:
(JSC::abstractAccess):
* runtime/JSSegmentedVariableObject.cpp:
(JSC::JSSegmentedVariableObject::findVariableIndex):
(JSC::JSSegmentedVariableObject::addVariables):
(JSC::JSSegmentedVariableObject::visitChildren):
(JSC::JSSegmentedVariableObject::findRegisterIndex): Deleted.
(JSC::JSSegmentedVariableObject::addRegisters): Deleted.
* runtime/JSSegmentedVariableObject.h:
(JSC::JSSegmentedVariableObject::variableAt):
(JSC::JSSegmentedVariableObject::assertVariableIsInThisObject):
(JSC::JSSegmentedVariableObject::registerAt): Deleted.
(JSC::JSSegmentedVariableObject::assertRegisterIsInThisObject): Deleted.
* runtime/JSSymbolTableObject.h:
(JSC::JSSymbolTableObject::offsetOfSymbolTable):
(JSC::symbolTableGet):
(JSC::symbolTablePut):
(JSC::symbolTablePutWithAttributes):
* runtime/JSType.h:
* runtime/Options.h:
* runtime/ClonedArguments.cpp: Added.
(JSC::ClonedArguments::ClonedArguments):
(JSC::ClonedArguments::createEmpty):
(JSC::ClonedArguments::createWithInlineFrame):
(JSC::ClonedArguments::createWithMachineFrame):
(JSC::ClonedArguments::createByCopyingFrom):
(JSC::ClonedArguments::createStructure):
(JSC::ClonedArguments::getOwnPropertySlot):
(JSC::ClonedArguments::getOwnPropertyNames):
(JSC::ClonedArguments::put):
(JSC::ClonedArguments::deleteProperty):
(JSC::ClonedArguments::defineOwnProperty):
(JSC::ClonedArguments::materializeSpecials):
(JSC::ClonedArguments::materializeSpecialsIfNecessary):
* runtime/ClonedArguments.h: Added.
(JSC::ClonedArguments::specialsMaterialized):
* runtime/ScopeOffset.cpp: Added.
(JSC::ScopeOffset::dump):
* runtime/ScopeOffset.h: Added.
(JSC::ScopeOffset::ScopeOffset):
* runtime/ScopedArguments.cpp: Added.
(JSC::ScopedArguments::ScopedArguments):
(JSC::ScopedArguments::finishCreation):
(JSC::ScopedArguments::createUninitialized):
(JSC::ScopedArguments::create):
(JSC::ScopedArguments::createByCopying):
(JSC::ScopedArguments::createByCopyingFrom):
(JSC::ScopedArguments::visitChildren):
(JSC::ScopedArguments::createStructure):
(JSC::ScopedArguments::overrideThings):
(JSC::ScopedArguments::overrideThingsIfNecessary):
(JSC::ScopedArguments::overrideArgument):
(JSC::ScopedArguments::copyToArguments):
* runtime/ScopedArguments.h: Added.
(JSC::ScopedArguments::internalLength):
(JSC::ScopedArguments::length):
(JSC::ScopedArguments::canAccessIndexQuickly):
(JSC::ScopedArguments::getIndexQuickly):
(JSC::ScopedArguments::setIndexQuickly):
(JSC::ScopedArguments::callee):
(JSC::ScopedArguments::overrodeThings):
(JSC::ScopedArguments::offsetOfOverrodeThings):
(JSC::ScopedArguments::offsetOfTotalLength):
(JSC::ScopedArguments::offsetOfTable):
(JSC::ScopedArguments::offsetOfScope):
(JSC::ScopedArguments::overflowStorageOffset):
(JSC::ScopedArguments::allocationSize):
(JSC::ScopedArguments::overflowStorage):
* runtime/ScopedArgumentsTable.cpp: Added.
(JSC::ScopedArgumentsTable::ScopedArgumentsTable):
(JSC::ScopedArgumentsTable::~ScopedArgumentsTable):
(JSC::ScopedArgumentsTable::destroy):
(JSC::ScopedArgumentsTable::create):
(JSC::ScopedArgumentsTable::clone):
(JSC::ScopedArgumentsTable::setLength):
(JSC::ScopedArgumentsTable::set):
(JSC::ScopedArgumentsTable::createStructure):
* runtime/ScopedArgumentsTable.h: Added.
(JSC::ScopedArgumentsTable::length):
(JSC::ScopedArgumentsTable::get):
(JSC::ScopedArgumentsTable::lock):
(JSC::ScopedArgumentsTable::offsetOfLength):
(JSC::ScopedArgumentsTable::offsetOfArguments):
(JSC::ScopedArgumentsTable::at):
* runtime/SymbolTable.cpp:
(JSC::SymbolTableEntry::prepareToWatch):
(JSC::SymbolTable::SymbolTable):
(JSC::SymbolTable::visitChildren):
(JSC::SymbolTable::localToEntry):
(JSC::SymbolTable::entryFor):
(JSC::SymbolTable::cloneScopePart):
(JSC::SymbolTable::prepareForTypeProfiling):
(JSC::SymbolTable::uniqueIDForOffset):
(JSC::SymbolTable::globalTypeSetForOffset):
(JSC::SymbolTable::cloneCapturedNames): Deleted.
(JSC::SymbolTable::uniqueIDForRegister): Deleted.
(JSC::SymbolTable::globalTypeSetForRegister): Deleted.
* runtime/SymbolTable.h:
(JSC::SymbolTableEntry::varOffsetFromBits):
(JSC::SymbolTableEntry::scopeOffsetFromBits):
(JSC::SymbolTableEntry::Fast::varOffset):
(JSC::SymbolTableEntry::Fast::scopeOffset):
(JSC::SymbolTableEntry::Fast::isDontEnum):
(JSC::SymbolTableEntry::Fast::getAttributes):
(JSC::SymbolTableEntry::SymbolTableEntry):
(JSC::SymbolTableEntry::varOffset):
(JSC::SymbolTableEntry::isWatchable):
(JSC::SymbolTableEntry::scopeOffset):
(JSC::SymbolTableEntry::setAttributes):
(JSC::SymbolTableEntry::constantMode):
(JSC::SymbolTableEntry::isDontEnum):
(JSC::SymbolTableEntry::disableWatching):
(JSC::SymbolTableEntry::pack):
(JSC::SymbolTableEntry::isValidVarOffset):
(JSC::SymbolTable::createNameScopeTable):
(JSC::SymbolTable::maxScopeOffset):
(JSC::SymbolTable::didUseScopeOffset):
(JSC::SymbolTable::didUseVarOffset):
(JSC::SymbolTable::scopeSize):
(JSC::SymbolTable::nextScopeOffset):
(JSC::SymbolTable::takeNextScopeOffset):
(JSC::SymbolTable::add):
(JSC::SymbolTable::set):
(JSC::SymbolTable::argumentsLength):
(JSC::SymbolTable::setArgumentsLength):
(JSC::SymbolTable::argumentOffset):
(JSC::SymbolTable::setArgumentOffset):
(JSC::SymbolTable::arguments):
(JSC::SlowArgument::SlowArgument): Deleted.
(JSC::SymbolTableEntry::Fast::getIndex): Deleted.
(JSC::SymbolTableEntry::getIndex): Deleted.
(JSC::SymbolTableEntry::isValidIndex): Deleted.
(JSC::SymbolTable::captureStart): Deleted.
(JSC::SymbolTable::setCaptureStart): Deleted.
(JSC::SymbolTable::captureEnd): Deleted.
(JSC::SymbolTable::setCaptureEnd): Deleted.
(JSC::SymbolTable::captureCount): Deleted.
(JSC::SymbolTable::isCaptured): Deleted.
(JSC::SymbolTable::parameterCount): Deleted.
(JSC::SymbolTable::parameterCountIncludingThis): Deleted.
(JSC::SymbolTable::setParameterCountIncludingThis): Deleted.
(JSC::SymbolTable::slowArguments): Deleted.
(JSC::SymbolTable::setSlowArguments): Deleted.
* runtime/VM.cpp:
(JSC::VM::VM):
* runtime/VM.h:
* runtime/VarOffset.cpp: Added.
(JSC::VarOffset::dump):
(WTF::printInternal):
* runtime/VarOffset.h: Added.
(JSC::VarOffset::VarOffset):
(JSC::VarOffset::assemble):
(JSC::VarOffset::isValid):
(JSC::VarOffset::operator!):
(JSC::VarOffset::kind):
(JSC::VarOffset::isStack):
(JSC::VarOffset::isScope):
(JSC::VarOffset::isDirectArgument):
(JSC::VarOffset::stackOffsetUnchecked):
(JSC::VarOffset::scopeOffsetUnchecked):
(JSC::VarOffset::capturedArgumentsOffsetUnchecked):
(JSC::VarOffset::stackOffset):
(JSC::VarOffset::scopeOffset):
(JSC::VarOffset::capturedArgumentsOffset):
(JSC::VarOffset::rawOffset):
(JSC::VarOffset::checkSanity):
(JSC::VarOffset::operator==):
(JSC::VarOffset::operator!=):
(JSC::VarOffset::hash):
(JSC::VarOffset::isHashTableDeletedValue):
(JSC::VarOffsetHash::hash):
(JSC::VarOffsetHash::equal):
* tests/stress/arguments-exit-strict-mode.js: Added.
* tests/stress/arguments-exit.js: Added.
* tests/stress/arguments-inlined-exit-strict-mode-fixed.js: Added.
* tests/stress/arguments-inlined-exit-strict-mode.js: Added.
* tests/stress/arguments-inlined-exit.js: Added.
* tests/stress/arguments-interference.js: Added.
* tests/stress/arguments-interference-cfg.js: Added.
* tests/stress/dead-get-closure-var.js: Added.
* tests/stress/get-declared-unpassed-argument-in-direct-arguments.js: Added.
* tests/stress/get-declared-unpassed-argument-in-scoped-arguments.js: Added.
* tests/stress/varargs-closure-inlined-exit-strict-mode.js: Added.
* tests/stress/varargs-closure-inlined-exit.js: Added.
* tests/stress/varargs-exit.js: Added.
* tests/stress/varargs-inlined-exit.js: Added.
* tests/stress/varargs-inlined-simple-exit-aliasing-weird-reversed-args.js: Added.
* tests/stress/varargs-inlined-simple-exit-aliasing-weird.js: Added.
* tests/stress/varargs-inlined-simple-exit-aliasing.js: Added.
* tests/stress/varargs-inlined-simple-exit.js: Added.
* tests/stress/varargs-too-few-arguments.js: Added.
* tests/stress/varargs-varargs-closure-inlined-exit.js: Added.
* tests/stress/varargs-varargs-inlined-exit-strict-mode.js: Added.
* tests/stress/varargs-varargs-inlined-exit.js: Added.
Source/WTF:
* wtf/FastBitVector.h:
(WTF::FastBitVector::resize): Small change: don't resize if you don't have to resize.
LayoutTests:
* js/function-apply-aliased-expected.txt:
* js/function-dot-arguments-expected.txt:
* js/regress/arguments-expected.txt: Added.
* js/regress/arguments-named-and-reflective-expected.txt: Added.
* js/regress/arguments-named-and-reflective.html: Added.
* js/regress/arguments-strict-mode-expected.txt: Added.
* js/regress/arguments-strict-mode.html: Added.
* js/regress/arguments.html: Added.
* js/regress/script-tests/arguments-named-and-reflective.js: Added.
* js/regress/script-tests/arguments-strict-mode.js: Added.
* js/regress/script-tests/arguments.js: Added.
* js/regress/script-tests/try-catch-get-by-val-cloned-arguments.js: Added.
* js/regress/script-tests/try-catch-get-by-val-direct-arguments.js: Added.
* js/regress/script-tests/try-catch-get-by-val-scoped-arguments.js: Added.
* js/regress/script-tests/varargs-call.js: Added.
* js/regress/script-tests/varargs-construct-inline.js: Added.
* js/regress/script-tests/varargs-construct.js: Added.
* js/regress/script-tests/varargs-inline.js: Added.
* js/regress/script-tests/varargs-strict-mode.js: Added.
* js/regress/script-tests/varargs.js: Added.
* js/regress/try-catch-get-by-val-cloned-arguments-expected.txt: Added.
* js/regress/try-catch-get-by-val-cloned-arguments.html: Added.
* js/regress/try-catch-get-by-val-direct-arguments-expected.txt: Added.
* js/regress/try-catch-get-by-val-direct-arguments.html: Added.
* js/regress/try-catch-get-by-val-scoped-arguments-expected.txt: Added.
* js/regress/try-catch-get-by-val-scoped-arguments.html: Added.
* js/regress/varargs-call-expected.txt: Added.
* js/regress/varargs-call.html: Added.
* js/regress/varargs-construct-expected.txt: Added.
* js/regress/varargs-construct-inline-expected.txt: Added.
* js/regress/varargs-construct-inline.html: Added.
* js/regress/varargs-construct.html: Added.
* js/regress/varargs-expected.txt: Added.
* js/regress/varargs-inline-expected.txt: Added.
* js/regress/varargs-inline.html: Added.
* js/regress/varargs-strict-mode-expected.txt: Added.
* js/regress/varargs-strict-mode.html: Added.
* js/regress/varargs.html: Added.
* js/script-tests/function-apply-aliased.js:
* js/script-tests/function-dot-arguments.js:
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@181993
268f45cc-cd09-0410-ab3c-
d52691b4dbfc
+2015-03-25 Filip Pizlo <fpizlo@apple.com>
+
+ Heap variables shouldn't end up in the stack frame
+ https://bugs.webkit.org/show_bug.cgi?id=141174
+
+ Reviewed by Geoffrey Garen.
+
+ * js/function-apply-aliased-expected.txt:
+ * js/function-dot-arguments-expected.txt:
+ * js/regress/arguments-expected.txt: Added.
+ * js/regress/arguments-named-and-reflective-expected.txt: Added.
+ * js/regress/arguments-named-and-reflective.html: Added.
+ * js/regress/arguments-strict-mode-expected.txt: Added.
+ * js/regress/arguments-strict-mode.html: Added.
+ * js/regress/arguments.html: Added.
+ * js/regress/script-tests/arguments-named-and-reflective.js: Added.
+ * js/regress/script-tests/arguments-strict-mode.js: Added.
+ * js/regress/script-tests/arguments.js: Added.
+ * js/regress/script-tests/try-catch-get-by-val-cloned-arguments.js: Added.
+ * js/regress/script-tests/try-catch-get-by-val-direct-arguments.js: Added.
+ * js/regress/script-tests/try-catch-get-by-val-scoped-arguments.js: Added.
+ * js/regress/script-tests/varargs-call.js: Added.
+ * js/regress/script-tests/varargs-construct-inline.js: Added.
+ * js/regress/script-tests/varargs-construct.js: Added.
+ * js/regress/script-tests/varargs-inline.js: Added.
+ * js/regress/script-tests/varargs-strict-mode.js: Added.
+ * js/regress/script-tests/varargs.js: Added.
+ * js/regress/try-catch-get-by-val-cloned-arguments-expected.txt: Added.
+ * js/regress/try-catch-get-by-val-cloned-arguments.html: Added.
+ * js/regress/try-catch-get-by-val-direct-arguments-expected.txt: Added.
+ * js/regress/try-catch-get-by-val-direct-arguments.html: Added.
+ * js/regress/try-catch-get-by-val-scoped-arguments-expected.txt: Added.
+ * js/regress/try-catch-get-by-val-scoped-arguments.html: Added.
+ * js/regress/varargs-call-expected.txt: Added.
+ * js/regress/varargs-call.html: Added.
+ * js/regress/varargs-construct-expected.txt: Added.
+ * js/regress/varargs-construct-inline-expected.txt: Added.
+ * js/regress/varargs-construct-inline.html: Added.
+ * js/regress/varargs-construct.html: Added.
+ * js/regress/varargs-expected.txt: Added.
+ * js/regress/varargs-inline-expected.txt: Added.
+ * js/regress/varargs-inline.html: Added.
+ * js/regress/varargs-strict-mode-expected.txt: Added.
+ * js/regress/varargs-strict-mode.html: Added.
+ * js/regress/varargs.html: Added.
+ * js/script-tests/function-apply-aliased.js:
+ * js/script-tests/function-dot-arguments.js:
+
2015-03-25 Chris Fleizach <cfleizach@apple.com>
AX: table cells that use display:block render the table inaccessible to VoiceOver
PASS myFunctionWithApply.apply(myObject, arg1Array) is [myFunctionWithApply, "myFunctionWithApply.apply", myObject]
PASS forwarder(myFunctionWithApply, myObject, arg1Array) is [myFunctionWithApply, "myFunctionWithApply.apply", myObject]
PASS myFunctionWithApply.aliasedApply(myObject, arg1Array) is [myObject, "myFunctionWithApply", "arg1"]
+PASS throw 42 threw exception 42.
PASS myFunction.apply(null, new Array(5000000)) threw exception RangeError: Maximum call stack size exceeded..
PASS myFunction.apply(null, new Array(1 << 30)) threw exception RangeError: Maximum call stack size exceeded..
PASS recurseArguments.apply(null, new Array(50000)) threw exception RangeError: Maximum call stack size exceeded..
PASS tearOffTest4a(1, 2, 3, false) is [10, 2, 3, false]
PASS tearOffTest4b(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest4c(1, 2, 3, false) is [1, 2, 3, false]
-PASS tearOffTest5(1, 2, 3, false) is [10, 2, 3, false]
-PASS tearOffTest5a(1, 2, 3, false) is [10, 2, 3, false]
+PASS tearOffTest5(1, 2, 3, false) is [1, 2, 3, false]
+PASS tearOffTest5a(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest5b(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest5c(1, 2, 3, false) is [1, 2, 3, false]
-PASS tearOffTest6(1, 2, 3, false) is [10, 2, 3, false]
-PASS tearOffTest6a(1, 2, 3, false) is [10, 2, 3, false]
+PASS tearOffTest6(1, 2, 3, false) is [1, 2, 3, false]
+PASS tearOffTest6a(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest6b(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest6c(1, 2, 3, false) is [1, 2, 3, false]
PASS tearOffTest7(1, 2, 3, false) is [10, 2, 3, false]
PASS tearOffTest10a(1, 2, 3, false) is [undefined, 2, 3, false]
PASS tearOffTest10b(1, 2, 3, false) is [undefined, 2, 3, false]
PASS tearOffTest10c(1, 2, 3, false) is [undefined, 2, 3, false]
-PASS lexicalArgumentsLiveRead1(0, 2, 3) is 1
-PASS lexicalArgumentsLiveRead2(1, 0, 3) is 2
-PASS lexicalArgumentsLiveRead3(1, 2, 0) is 3
+PASS lexicalArgumentsLiveRead1(0, 2, 3) is 0
+PASS lexicalArgumentsLiveRead2(1, 0, 3) is 0
+PASS lexicalArgumentsLiveRead3(1, 2, 0) is 0
PASS lexicalArgumentsLiveWrite1(0, 2, 3) is 0
PASS lexicalArgumentsLiveWrite2(1, 0, 3) is 0
PASS lexicalArgumentsLiveWrite3(1, 2, 0) is 0
--- /dev/null
+JSRegress/arguments
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+JSRegress/arguments-named-and-reflective
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/arguments-named-and-reflective.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/arguments-strict-mode
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/arguments-strict-mode.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/arguments.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+function foo(a, b) {
+ return arguments[0] + b;
+}
+
+noInline(foo);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = foo(i, 1);
+ if (result != i + 1)
+ throw "Error: bad result: " + result;
+}
--- /dev/null
+function foo() {
+ "use strict";
+ return arguments[0];
+}
+
+noInline(foo);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = foo(i);
+ if (result != i)
+ throw "Error: bad result: " + result;
+}
--- /dev/null
+function foo() {
+ return arguments[0];
+}
+
+noInline(foo);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = foo(i);
+ if (result != i)
+ throw "Error: bad result: " + result;
+}
--- /dev/null
+function foo() {
+ "use strict";
+ try {
+ return arguments[0];
+ } catch (e) {
+ return 42;
+ }
+}
+
+var n = 100000;
+var result = 0;
+for (var i = 0; i < n; ++i)
+ result += foo(24);
+
+if (result != n * 24)
+ throw "Error: bad result: " + result;
--- /dev/null
+function foo() {
+ try {
+ return arguments[0];
+ } catch (e) {
+ return 42;
+ }
+}
+
+var n = 100000;
+var result = 0;
+for (var i = 0; i < n; ++i)
+ result += foo(24);
+
+if (result != n * 24)
+ throw "Error: bad result: " + result;
+
+result = foo();
+if (result !== void 0)
+ throw "Error: bad result at end: " + result;
--- /dev/null
+function foo(p) {
+ if (!p)
+ return function() { return p; };
+ try {
+ return arguments[1];
+ } catch (e) {
+ return 42;
+ }
+}
+
+var n = 100000;
+var result = 0;
+for (var i = 0; i < n; ++i)
+ result += foo(true, 24);
+
+if (result != n * 24)
+ throw "Error: bad result: " + result;
+
+result = foo(true);
+if (result !== void 0)
+ throw "Error: bad result at end: " + result;
--- /dev/null
+function foo(a, b) {
+ return a + b;
+}
+
+noInline(foo);
+
+function bar() {
+ return foo.apply(null, arguments);
+}
+
+noInline(bar);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = bar(1, 2);
+ if (result != 3)
+ throw "Error: bad result: " + result;
+}
+
--- /dev/null
+function foo(a, b) {
+ this.f = a;
+ this.g = b;
+}
+
+function Bar() {
+ foo.apply(this, arguments);
+}
+
+noInline(Bar);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = new Bar(1, 2);
+ if (result.f != 1)
+ throw "Error: bad result.f: " + result.f;
+ if (result.g != 2)
+ throw "Error: bad result.g: " + result.g;
+}
+
--- /dev/null
+function Foo(a, b) {
+ this.f = a;
+ this.g = b;
+}
+
+noInline(Foo);
+
+function bar() {
+ var result = new Foo(...arguments);
+ if (!result)
+ throw "Error: bad result: " + result;
+ return result;
+}
+
+noInline(bar);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = bar(1, 2);
+ if (result.f != 1)
+ throw "Error: bad result.f: " + result.f;
+ if (result.g != 2)
+ throw "Error: bad result.g: " + result.g;
+}
+
--- /dev/null
+function foo(a, b) {
+ return a + b;
+}
+
+function bar() {
+ return foo.apply(null, arguments);
+}
+
+function baz(a, b) {
+ return bar(a, b);
+}
+
+noInline(baz);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = baz(1, 2);
+ if (result != 3)
+ throw "Error: bad result: " + result;
+}
+
--- /dev/null
+"use strict";
+
+function foo(a, b) {
+ return a + b;
+}
+
+function bar() {
+ return foo.apply(null, arguments);
+}
+
+noInline(bar);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = bar(1, 2);
+ if (result != 3)
+ throw "Error: bad result: " + result;
+}
+
--- /dev/null
+function foo(a, b) {
+ return a + b;
+}
+
+function bar() {
+ return foo.apply(null, arguments);
+}
+
+noInline(bar);
+
+for (var i = 0; i < 1000000; ++i) {
+ var result = bar(1, 2);
+ if (result != 3)
+ throw "Error: bad result: " + result;
+}
+
--- /dev/null
+JSRegress/try-catch-get-by-val-cloned-arguments
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/try-catch-get-by-val-cloned-arguments.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/try-catch-get-by-val-direct-arguments
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/try-catch-get-by-val-direct-arguments.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/try-catch-get-by-val-scoped-arguments
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/try-catch-get-by-val-scoped-arguments.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/varargs-call
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs-call.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/varargs-construct
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+JSRegress/varargs-construct-inline
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs-construct-inline.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs-construct.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/varargs
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+JSRegress/varargs-inline
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs-inline.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+JSRegress/varargs-strict-mode
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS no exception thrown
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs-strict-mode.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
--- /dev/null
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../../resources/js-test-pre.js"></script>
+</head>
+<body>
+<script src="../../resources/regress-pre.js"></script>
+<script src="script-tests/varargs.js"></script>
+<script src="../../resources/regress-post.js"></script>
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
shouldBe("forwarder(myFunctionWithApply, myObject, arg1Array)", '[myFunctionWithApply, "myFunctionWithApply.apply", myObject]');
shouldBe("myFunctionWithApply.aliasedApply(myObject, arg1Array)", '[myObject, "myFunctionWithApply", "arg1"]');
+// Let's make sure that shouldThrow() is compiled before we do crazy.
+shouldThrow("throw 42");
+
function stackOverflowTest() {
try {
var a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
return arrayify(inner());
}
-shouldBe("tearOffTest5(1, 2, 3, false)", "[10, 2, 3, false]");
+shouldBe("tearOffTest5(1, 2, 3, false)", "[1, 2, 3, false]");
function tearOffTest5a(a, b, c, d)
return arrayify(inner());
}
}
-shouldBe("tearOffTest5a(1, 2, 3, false)", "[10, 2, 3, false]");
+shouldBe("tearOffTest5a(1, 2, 3, false)", "[1, 2, 3, false]");
function tearOffTest5b(a, b, c, d)
delete arguments[0];
return arrayify(tearOffTest6External());
}
-shouldBe("tearOffTest6(1, 2, 3, false)", "[10, 2, 3, false]");
+shouldBe("tearOffTest6(1, 2, 3, false)", "[1, 2, 3, false]");
function tearOffTest6aExternal()
return arrayify(tearOffTest6aExternal());
}
}
-shouldBe("tearOffTest6a(1, 2, 3, false)", "[10, 2, 3, false]");
+shouldBe("tearOffTest6a(1, 2, 3, false)", "[1, 2, 3, false]");
function tearOffTest6bExternal()
a = 1;
return lexicalArgumentsLiveRead1.arguments[0];
}
-shouldBe("lexicalArgumentsLiveRead1(0, 2, 3)", "1");
+shouldBe("lexicalArgumentsLiveRead1(0, 2, 3)", "0");
function lexicalArgumentsLiveRead2(a, b, c)
{
b = 2;
return lexicalArgumentsLiveRead2.arguments[1];
}
-shouldBe("lexicalArgumentsLiveRead2(1, 0, 3)", "2");
+shouldBe("lexicalArgumentsLiveRead2(1, 0, 3)", "0");
function lexicalArgumentsLiveRead3(a, b, c)
{
c = 3;
return lexicalArgumentsLiveRead3.arguments[2];
}
-shouldBe("lexicalArgumentsLiveRead3(1, 2, 0)", "3");
+shouldBe("lexicalArgumentsLiveRead3(1, 2, 0)", "0");
function lexicalArgumentsLiveWrite1(a, b, c)
{
dfg/DFGAbstractHeap.cpp
dfg/DFGAbstractValue.cpp
- dfg/DFGArgumentsSimplificationPhase.cpp
dfg/DFGArithMode.cpp
+ dfg/DFGArgumentsEliminationPhase.cpp
+ dfg/DFGArgumentsUtilities.cpp
dfg/DFGArrayMode.cpp
dfg/DFGAtTailAbstractState.cpp
dfg/DFGAvailability.cpp
dfg/DFGValidate.cpp
dfg/DFGValueSource.cpp
dfg/DFGValueStrength.cpp
+ dfg/DFGVarargsForwardingPhase.cpp
dfg/DFGVariableAccessData.cpp
dfg/DFGVariableAccessDataDump.cpp
dfg/DFGVariableEvent.cpp
set(JavaScriptCore_RUNTIME_SOURCES
runtime/ArgList.cpp
- runtime/Arguments.cpp
runtime/ArgumentsIteratorConstructor.cpp
runtime/ArgumentsIteratorPrototype.cpp
runtime/ArrayBuffer.cpp
runtime/BooleanPrototype.cpp
runtime/BundlePath.cpp
runtime/CallData.cpp
+ runtime/ClonedArguments.cpp
runtime/CodeCache.cpp
runtime/CodeSpecializationKind.cpp
runtime/CommonIdentifiers.cpp
runtime/Completion.cpp
runtime/ConsoleClient.cpp
runtime/ConsolePrototype.cpp
+ runtime/ConstantMode.cpp
runtime/ConstructData.cpp
runtime/ControlFlowProfiler.cpp
runtime/CustomGetterSetter.cpp
runtime/DateConversion.cpp
runtime/DateInstance.cpp
runtime/DatePrototype.cpp
+ runtime/DirectArguments.cpp
+ runtime/DirectArgumentsOffset.cpp
runtime/DumpContext.cpp
runtime/Error.cpp
runtime/ErrorConstructor.cpp
runtime/RegExpPrototype.cpp
runtime/RuntimeType.cpp
runtime/SamplingCounter.cpp
+ runtime/ScopeOffset.cpp
+ runtime/ScopedArguments.cpp
+ runtime/ScopedArgumentsTable.cpp
runtime/SetConstructor.cpp
runtime/SetIteratorConstructor.cpp
runtime/SetIteratorPrototype.cpp
runtime/TypedArrayType.cpp
runtime/VM.cpp
runtime/VMEntryScope.cpp
+ runtime/VarOffset.cpp
runtime/Watchdog.cpp
runtime/WatchdogNone.cpp
runtime/WeakMapConstructor.cpp
+2015-03-25 Filip Pizlo <fpizlo@apple.com>
+
+ Heap variables shouldn't end up in the stack frame
+ https://bugs.webkit.org/show_bug.cgi?id=141174
+
+ Reviewed by Geoffrey Garen.
+
+ This is a major change to how JavaScriptCore handles declared variables (i.e. "var"). It removes
+ any ambiguity about whether a variable should be in the heap or on the stack. A variable will no
+ longer move between heap and stack during its lifetime. This enables a bunch of optimizations and
+ simplifications:
+
+ - Accesses to variables no longer need checks or indirections to determine where the variable is
+ at that moment in time. For example, loading a closure variable now takes just one load instead
+ of two. Loading an argument by index now takes a bounds check and a load in the fastest case
+ (when no arguments object allocation is required) while previously that same operation required
+ a "did I allocate arguments yet" check, a bounds check, and then the load.
+
+ - Reasoning about the allocation of an activation or arguments object now follows the same simple
+ logic as the allocation of any other kind of object. Previously, those objects were lazily
+ allocated - so an allocation instruction wasn't the actual allocation site, since it might not
+ allocate anything at all. This made the implementation of traditional escape analyses really
+ awkward, and ultimately it meant that we missed important cases. Now, we can reason about the
+ arguments object using the usual SSA tricks which allows for more comprehensive removal.
+
+ - The allocations of arguments objects, functions, and activations are now much faster. While
+ this patch generally expands our ability to eliminate arguments object allocations, an earlier
+ version of the patch - which lacked that functionality - was a progression on some arguments-
+ and closure-happy benchmarks because although no allocations were eliminated, all allocations
+ were faster.
+
+ - There is no tear-off. The runtime no loner needs to know about where on the stack a frame keeps
+ its arguments objects or activations. The runtime doesn't have to do things to the arguments
+ objects and activations that a frame allocated, when the frame is unwound. We always had horrid
+ bugs in that code, so it's good to see it go. This removes *a ton* of machinery from the DFG,
+ FTL, CodeBlock, and other places. All of the things having to do with "captured variables" is
+ now gone. This also enables implementing block-scoping. Without this change, block-scope
+ support would require telling CodeBlock and all of the rest of the runtime about all of the
+ variables that store currently-live scopes. That would have been so disastrously hard that it
+ might as well be impossible. With this change, it's fair game for the bytecode generator to
+ simply allocate whatever activations it wants, wherever it wants, and to keep them live for
+ however long it wants. This all works, because after bytecode generation, an activation is just
+ an object and variables that refer to it are just normal variables.
+
+ - SymbolTable can now tell you explicitly where a variable lives. The answer is in the form of a
+ VarOffset object, which has methods like isStack(), isScope(), etc. VirtualRegister is never
+ used for offsets of non-stack variables anymore. We now have shiny new objects for other kinds
+ of offsets - ScopeOffset for offsets into scopes, and DirectArgumentsOffset for offsets into
+ an arguments object.
+
+ - Functions that create activations can now tier-up into the FTL. Previously they couldn't. Also,
+ using activations used to prevent inlining; now functions that use activations can be inlined
+ just fine.
+
+ This is a >1% speed-up on Octane. This is a >2% speed-up on CompressionBench. This is a tiny
+ speed-up on AsmBench (~0.4% or something). This looks like it might be a speed-up on SunSpider.
+ It's only a slow-down on very short-running microbenchmarks we had previously written for our old
+ style of tear-off-based arguments optimization. Those benchmarks are not part of any major suite.
+
+ The easiest way of understanding this change is to start by looking at the changes in runtime/,
+ and then the changes in bytecompiler/, and then sort of work your way up the compiler tiers.
+
+ * CMakeLists.txt:
+ * JavaScriptCore.vcxproj/JavaScriptCore.vcxproj:
+ * JavaScriptCore.xcodeproj/project.pbxproj:
+ * assembler/AbortReason.h:
+ * assembler/AbstractMacroAssembler.h:
+ (JSC::AbstractMacroAssembler::BaseIndex::withOffset):
+ * bytecode/ByValInfo.h:
+ (JSC::hasOptimizableIndexingForJSType):
+ (JSC::hasOptimizableIndexing):
+ (JSC::jitArrayModeForJSType):
+ (JSC::jitArrayModePermitsPut):
+ (JSC::jitArrayModeForStructure):
+ * bytecode/BytecodeKills.h: Added.
+ (JSC::BytecodeKills::BytecodeKills):
+ (JSC::BytecodeKills::operandIsKilled):
+ (JSC::BytecodeKills::forEachOperandKilledAt):
+ (JSC::BytecodeKills::KillSet::KillSet):
+ (JSC::BytecodeKills::KillSet::add):
+ (JSC::BytecodeKills::KillSet::forEachLocal):
+ (JSC::BytecodeKills::KillSet::contains):
+ * bytecode/BytecodeList.json:
+ * bytecode/BytecodeLivenessAnalysis.cpp:
+ (JSC::isValidRegisterForLiveness):
+ (JSC::stepOverInstruction):
+ (JSC::BytecodeLivenessAnalysis::runLivenessFixpoint):
+ (JSC::BytecodeLivenessAnalysis::getLivenessInfoAtBytecodeOffset):
+ (JSC::BytecodeLivenessAnalysis::operandIsLiveAtBytecodeOffset):
+ (JSC::BytecodeLivenessAnalysis::computeFullLiveness):
+ (JSC::BytecodeLivenessAnalysis::computeKills):
+ (JSC::indexForOperand): Deleted.
+ (JSC::BytecodeLivenessAnalysis::getLivenessInfoForNonCapturedVarsAtBytecodeOffset): Deleted.
+ (JSC::getLivenessInfo): Deleted.
+ * bytecode/BytecodeLivenessAnalysis.h:
+ * bytecode/BytecodeLivenessAnalysisInlines.h:
+ (JSC::operandIsAlwaysLive):
+ (JSC::operandThatIsNotAlwaysLiveIsLive):
+ (JSC::operandIsLive):
+ * bytecode/BytecodeUseDef.h:
+ (JSC::computeUsesForBytecodeOffset):
+ (JSC::computeDefsForBytecodeOffset):
+ * bytecode/CodeBlock.cpp:
+ (JSC::CodeBlock::dumpBytecode):
+ (JSC::CodeBlock::CodeBlock):
+ (JSC::CodeBlock::nameForRegister):
+ (JSC::CodeBlock::validate):
+ (JSC::CodeBlock::isCaptured): Deleted.
+ (JSC::CodeBlock::framePointerOffsetToGetActivationRegisters): Deleted.
+ (JSC::CodeBlock::machineSlowArguments): Deleted.
+ * bytecode/CodeBlock.h:
+ (JSC::unmodifiedArgumentsRegister): Deleted.
+ (JSC::CodeBlock::setArgumentsRegister): Deleted.
+ (JSC::CodeBlock::argumentsRegister): Deleted.
+ (JSC::CodeBlock::uncheckedArgumentsRegister): Deleted.
+ (JSC::CodeBlock::usesArguments): Deleted.
+ (JSC::CodeBlock::captureCount): Deleted.
+ (JSC::CodeBlock::captureStart): Deleted.
+ (JSC::CodeBlock::captureEnd): Deleted.
+ (JSC::CodeBlock::argumentIndexAfterCapture): Deleted.
+ (JSC::CodeBlock::hasSlowArguments): Deleted.
+ (JSC::ExecState::argumentAfterCapture): Deleted.
+ * bytecode/CodeOrigin.h:
+ * bytecode/DataFormat.h:
+ (JSC::dataFormatToString):
+ * bytecode/FullBytecodeLiveness.h:
+ (JSC::FullBytecodeLiveness::getLiveness):
+ (JSC::FullBytecodeLiveness::operandIsLive):
+ (JSC::FullBytecodeLiveness::FullBytecodeLiveness): Deleted.
+ (JSC::FullBytecodeLiveness::getOut): Deleted.
+ * bytecode/Instruction.h:
+ (JSC::Instruction::Instruction):
+ * bytecode/Operands.h:
+ (JSC::Operands::virtualRegisterForIndex):
+ * bytecode/SpeculatedType.cpp:
+ (JSC::dumpSpeculation):
+ (JSC::speculationToAbbreviatedString):
+ (JSC::speculationFromClassInfo):
+ * bytecode/SpeculatedType.h:
+ (JSC::isDirectArgumentsSpeculation):
+ (JSC::isScopedArgumentsSpeculation):
+ (JSC::isActionableMutableArraySpeculation):
+ (JSC::isActionableArraySpeculation):
+ (JSC::isArgumentsSpeculation): Deleted.
+ * bytecode/UnlinkedCodeBlock.cpp:
+ (JSC::UnlinkedCodeBlock::UnlinkedCodeBlock):
+ * bytecode/UnlinkedCodeBlock.h:
+ (JSC::UnlinkedCodeBlock::setArgumentsRegister): Deleted.
+ (JSC::UnlinkedCodeBlock::usesArguments): Deleted.
+ (JSC::UnlinkedCodeBlock::argumentsRegister): Deleted.
+ * bytecode/ValueRecovery.cpp:
+ (JSC::ValueRecovery::dumpInContext):
+ * bytecode/ValueRecovery.h:
+ (JSC::ValueRecovery::directArgumentsThatWereNotCreated):
+ (JSC::ValueRecovery::outOfBandArgumentsThatWereNotCreated):
+ (JSC::ValueRecovery::nodeID):
+ (JSC::ValueRecovery::argumentsThatWereNotCreated): Deleted.
+ * bytecode/VirtualRegister.h:
+ (JSC::VirtualRegister::operator==):
+ (JSC::VirtualRegister::operator!=):
+ (JSC::VirtualRegister::operator<):
+ (JSC::VirtualRegister::operator>):
+ (JSC::VirtualRegister::operator<=):
+ (JSC::VirtualRegister::operator>=):
+ * bytecompiler/BytecodeGenerator.cpp:
+ (JSC::BytecodeGenerator::generate):
+ (JSC::BytecodeGenerator::BytecodeGenerator):
+ (JSC::BytecodeGenerator::initializeNextParameter):
+ (JSC::BytecodeGenerator::visibleNameForParameter):
+ (JSC::BytecodeGenerator::emitMove):
+ (JSC::BytecodeGenerator::variable):
+ (JSC::BytecodeGenerator::createVariable):
+ (JSC::BytecodeGenerator::emitResolveScope):
+ (JSC::BytecodeGenerator::emitGetFromScope):
+ (JSC::BytecodeGenerator::emitPutToScope):
+ (JSC::BytecodeGenerator::initializeVariable):
+ (JSC::BytecodeGenerator::emitInstanceOf):
+ (JSC::BytecodeGenerator::emitNewFunction):
+ (JSC::BytecodeGenerator::emitNewFunctionInternal):
+ (JSC::BytecodeGenerator::emitCall):
+ (JSC::BytecodeGenerator::emitReturn):
+ (JSC::BytecodeGenerator::emitConstruct):
+ (JSC::BytecodeGenerator::isArgumentNumber):
+ (JSC::BytecodeGenerator::emitEnumeration):
+ (JSC::BytecodeGenerator::addVar): Deleted.
+ (JSC::BytecodeGenerator::emitInitLazyRegister): Deleted.
+ (JSC::BytecodeGenerator::initializeCapturedVariable): Deleted.
+ (JSC::BytecodeGenerator::resolveCallee): Deleted.
+ (JSC::BytecodeGenerator::addCallee): Deleted.
+ (JSC::BytecodeGenerator::addParameter): Deleted.
+ (JSC::BytecodeGenerator::willResolveToArgumentsRegister): Deleted.
+ (JSC::BytecodeGenerator::uncheckedLocalArgumentsRegister): Deleted.
+ (JSC::BytecodeGenerator::createLazyRegisterIfNecessary): Deleted.
+ (JSC::BytecodeGenerator::isCaptured): Deleted.
+ (JSC::BytecodeGenerator::local): Deleted.
+ (JSC::BytecodeGenerator::constLocal): Deleted.
+ (JSC::BytecodeGenerator::emitResolveConstantLocal): Deleted.
+ (JSC::BytecodeGenerator::emitGetArgumentsLength): Deleted.
+ (JSC::BytecodeGenerator::emitGetArgumentByVal): Deleted.
+ (JSC::BytecodeGenerator::emitLazyNewFunction): Deleted.
+ (JSC::BytecodeGenerator::createArgumentsIfNecessary): Deleted.
+ * bytecompiler/BytecodeGenerator.h:
+ (JSC::Variable::Variable):
+ (JSC::Variable::isResolved):
+ (JSC::Variable::ident):
+ (JSC::Variable::offset):
+ (JSC::Variable::isLocal):
+ (JSC::Variable::local):
+ (JSC::Variable::isSpecial):
+ (JSC::BytecodeGenerator::argumentsRegister):
+ (JSC::BytecodeGenerator::emitNode):
+ (JSC::BytecodeGenerator::registerFor):
+ (JSC::Local::Local): Deleted.
+ (JSC::Local::operator bool): Deleted.
+ (JSC::Local::get): Deleted.
+ (JSC::Local::isSpecial): Deleted.
+ (JSC::ResolveScopeInfo::ResolveScopeInfo): Deleted.
+ (JSC::ResolveScopeInfo::isLocal): Deleted.
+ (JSC::ResolveScopeInfo::localIndex): Deleted.
+ (JSC::BytecodeGenerator::hasSafeLocalArgumentsRegister): Deleted.
+ (JSC::BytecodeGenerator::captureMode): Deleted.
+ (JSC::BytecodeGenerator::shouldTearOffArgumentsEagerly): Deleted.
+ (JSC::BytecodeGenerator::shouldCreateArgumentsEagerly): Deleted.
+ (JSC::BytecodeGenerator::hasWatchableVariable): Deleted.
+ (JSC::BytecodeGenerator::watchableVariableIdentifier): Deleted.
+ * bytecompiler/NodesCodegen.cpp:
+ (JSC::ResolveNode::isPure):
+ (JSC::ResolveNode::emitBytecode):
+ (JSC::BracketAccessorNode::emitBytecode):
+ (JSC::DotAccessorNode::emitBytecode):
+ (JSC::EvalFunctionCallNode::emitBytecode):
+ (JSC::FunctionCallResolveNode::emitBytecode):
+ (JSC::CallFunctionCallDotNode::emitBytecode):
+ (JSC::ApplyFunctionCallDotNode::emitBytecode):
+ (JSC::PostfixNode::emitResolve):
+ (JSC::DeleteResolveNode::emitBytecode):
+ (JSC::TypeOfResolveNode::emitBytecode):
+ (JSC::PrefixNode::emitResolve):
+ (JSC::ReadModifyResolveNode::emitBytecode):
+ (JSC::AssignResolveNode::emitBytecode):
+ (JSC::ConstDeclNode::emitCodeSingle):
+ (JSC::EmptyVarExpression::emitBytecode):
+ (JSC::ForInNode::tryGetBoundLocal):
+ (JSC::ForInNode::emitLoopHeader):
+ (JSC::ForOfNode::emitBytecode):
+ (JSC::ArrayPatternNode::emitDirectBinding):
+ (JSC::BindingNode::bindValue):
+ (JSC::getArgumentByVal): Deleted.
+ * dfg/DFGAbstractHeap.h:
+ * dfg/DFGAbstractInterpreter.h:
+ * dfg/DFGAbstractInterpreterInlines.h:
+ (JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
+ (JSC::DFG::AbstractInterpreter<AbstractStateType>::clobberWorld):
+ (JSC::DFG::AbstractInterpreter<AbstractStateType>::clobberCapturedVars): Deleted.
+ * dfg/DFGAbstractValue.h:
+ * dfg/DFGArgumentPosition.h:
+ (JSC::DFG::ArgumentPosition::addVariable):
+ * dfg/DFGArgumentsEliminationPhase.cpp: Added.
+ (JSC::DFG::performArgumentsElimination):
+ * dfg/DFGArgumentsEliminationPhase.h: Added.
+ * dfg/DFGArgumentsSimplificationPhase.cpp: Removed.
+ * dfg/DFGArgumentsSimplificationPhase.h: Removed.
+ * dfg/DFGArgumentsUtilities.cpp: Added.
+ (JSC::DFG::argumentsInvolveStackSlot):
+ (JSC::DFG::emitCodeToGetArgumentsArrayLength):
+ * dfg/DFGArgumentsUtilities.h: Added.
+ * dfg/DFGArrayMode.cpp:
+ (JSC::DFG::ArrayMode::refine):
+ (JSC::DFG::ArrayMode::alreadyChecked):
+ (JSC::DFG::arrayTypeToString):
+ * dfg/DFGArrayMode.h:
+ (JSC::DFG::ArrayMode::canCSEStorage):
+ (JSC::DFG::ArrayMode::modeForPut):
+ * dfg/DFGAvailabilityMap.cpp:
+ (JSC::DFG::AvailabilityMap::prune):
+ * dfg/DFGAvailabilityMap.h:
+ (JSC::DFG::AvailabilityMap::closeOverNodes):
+ (JSC::DFG::AvailabilityMap::closeStartingWithLocal):
+ * dfg/DFGBackwardsPropagationPhase.cpp:
+ (JSC::DFG::BackwardsPropagationPhase::propagate):
+ * dfg/DFGByteCodeParser.cpp:
+ (JSC::DFG::ByteCodeParser::newVariableAccessData):
+ (JSC::DFG::ByteCodeParser::getLocal):
+ (JSC::DFG::ByteCodeParser::setLocal):
+ (JSC::DFG::ByteCodeParser::getArgument):
+ (JSC::DFG::ByteCodeParser::setArgument):
+ (JSC::DFG::ByteCodeParser::flushDirect):
+ (JSC::DFG::ByteCodeParser::flush):
+ (JSC::DFG::ByteCodeParser::noticeArgumentsUse):
+ (JSC::DFG::ByteCodeParser::handleVarargsCall):
+ (JSC::DFG::ByteCodeParser::attemptToInlineCall):
+ (JSC::DFG::ByteCodeParser::handleInlining):
+ (JSC::DFG::ByteCodeParser::parseBlock):
+ (JSC::DFG::ByteCodeParser::InlineStackEntry::InlineStackEntry):
+ (JSC::DFG::ByteCodeParser::parseCodeBlock):
+ * dfg/DFGCPSRethreadingPhase.cpp:
+ (JSC::DFG::CPSRethreadingPhase::canonicalizeGetLocalFor):
+ (JSC::DFG::CPSRethreadingPhase::canonicalizeLocalsInBlock):
+ * dfg/DFGCSEPhase.cpp:
+ * dfg/DFGCallCreateDirectArgumentsSlowPathGenerator.h: Added.
+ (JSC::DFG::CallCreateDirectArgumentsSlowPathGenerator::CallCreateDirectArgumentsSlowPathGenerator):
+ * dfg/DFGCapabilities.cpp:
+ (JSC::DFG::isSupportedForInlining):
+ (JSC::DFG::capabilityLevel):
+ * dfg/DFGClobberize.h:
+ (JSC::DFG::clobberize):
+ * dfg/DFGCommon.h:
+ * dfg/DFGCommonData.h:
+ (JSC::DFG::CommonData::CommonData):
+ * dfg/DFGConstantFoldingPhase.cpp:
+ (JSC::DFG::ConstantFoldingPhase::foldConstants):
+ * dfg/DFGDCEPhase.cpp:
+ (JSC::DFG::DCEPhase::cleanVariables):
+ * dfg/DFGDisassembler.h:
+ * dfg/DFGDoesGC.cpp:
+ (JSC::DFG::doesGC):
+ * dfg/DFGFixupPhase.cpp:
+ (JSC::DFG::FixupPhase::fixupNode):
+ * dfg/DFGFlushFormat.cpp:
+ (WTF::printInternal):
+ * dfg/DFGFlushFormat.h:
+ (JSC::DFG::resultFor):
+ (JSC::DFG::useKindFor):
+ (JSC::DFG::dataFormatFor):
+ * dfg/DFGForAllKills.h: Added.
+ (JSC::DFG::forAllLiveNodesAtTail):
+ (JSC::DFG::forAllDirectlyKilledOperands):
+ (JSC::DFG::forAllKilledOperands):
+ (JSC::DFG::forAllKilledNodesAtNodeIndex):
+ (JSC::DFG::forAllKillsInBlock):
+ * dfg/DFGGraph.cpp:
+ (JSC::DFG::Graph::Graph):
+ (JSC::DFG::Graph::dump):
+ (JSC::DFG::Graph::substituteGetLocal):
+ (JSC::DFG::Graph::livenessFor):
+ (JSC::DFG::Graph::killsFor):
+ (JSC::DFG::Graph::tryGetConstantClosureVar):
+ (JSC::DFG::Graph::tryGetRegisters): Deleted.
+ * dfg/DFGGraph.h:
+ (JSC::DFG::Graph::symbolTableFor):
+ (JSC::DFG::Graph::uses):
+ (JSC::DFG::Graph::bytecodeRegisterForArgument): Deleted.
+ (JSC::DFG::Graph::capturedVarsFor): Deleted.
+ (JSC::DFG::Graph::usesArguments): Deleted.
+ (JSC::DFG::Graph::argumentsRegisterFor): Deleted.
+ (JSC::DFG::Graph::machineArgumentsRegisterFor): Deleted.
+ (JSC::DFG::Graph::uncheckedArgumentsRegisterFor): Deleted.
+ * dfg/DFGHeapLocation.cpp:
+ (WTF::printInternal):
+ * dfg/DFGHeapLocation.h:
+ * dfg/DFGInPlaceAbstractState.cpp:
+ (JSC::DFG::InPlaceAbstractState::initialize):
+ (JSC::DFG::InPlaceAbstractState::mergeStateAtTail):
+ * dfg/DFGJITCompiler.cpp:
+ (JSC::DFG::JITCompiler::link):
+ * dfg/DFGMayExit.cpp:
+ (JSC::DFG::mayExit):
+ * dfg/DFGMinifiedID.h:
+ * dfg/DFGMinifiedNode.cpp:
+ (JSC::DFG::MinifiedNode::fromNode):
+ * dfg/DFGMinifiedNode.h:
+ (JSC::DFG::belongsInMinifiedGraph):
+ (JSC::DFG::MinifiedNode::hasInlineCallFrame):
+ (JSC::DFG::MinifiedNode::inlineCallFrame):
+ * dfg/DFGNode.cpp:
+ (JSC::DFG::Node::convertToIdentityOn):
+ * dfg/DFGNode.h:
+ (JSC::DFG::Node::hasConstant):
+ (JSC::DFG::Node::constant):
+ (JSC::DFG::Node::hasScopeOffset):
+ (JSC::DFG::Node::scopeOffset):
+ (JSC::DFG::Node::hasDirectArgumentsOffset):
+ (JSC::DFG::Node::capturedArgumentsOffset):
+ (JSC::DFG::Node::variablePointer):
+ (JSC::DFG::Node::hasCallVarargsData):
+ (JSC::DFG::Node::hasLoadVarargsData):
+ (JSC::DFG::Node::hasHeapPrediction):
+ (JSC::DFG::Node::hasCellOperand):
+ (JSC::DFG::Node::objectMaterializationData):
+ (JSC::DFG::Node::isPhantomAllocation):
+ (JSC::DFG::Node::willHaveCodeGenOrOSR):
+ (JSC::DFG::Node::shouldSpeculateDirectArguments):
+ (JSC::DFG::Node::shouldSpeculateScopedArguments):
+ (JSC::DFG::Node::isPhantomArguments): Deleted.
+ (JSC::DFG::Node::hasVarNumber): Deleted.
+ (JSC::DFG::Node::varNumber): Deleted.
+ (JSC::DFG::Node::registerPointer): Deleted.
+ (JSC::DFG::Node::shouldSpeculateArguments): Deleted.
+ * dfg/DFGNodeType.h:
+ * dfg/DFGOSRAvailabilityAnalysisPhase.cpp:
+ (JSC::DFG::OSRAvailabilityAnalysisPhase::run):
+ (JSC::DFG::LocalOSRAvailabilityCalculator::executeNode):
+ * dfg/DFGOSRExitCompiler.cpp:
+ (JSC::DFG::OSRExitCompiler::emitRestoreArguments):
+ * dfg/DFGOSRExitCompiler.h:
+ (JSC::DFG::OSRExitCompiler::badIndex): Deleted.
+ (JSC::DFG::OSRExitCompiler::initializePoisoned): Deleted.
+ (JSC::DFG::OSRExitCompiler::poisonIndex): Deleted.
+ * dfg/DFGOSRExitCompiler32_64.cpp:
+ (JSC::DFG::OSRExitCompiler::compileExit):
+ * dfg/DFGOSRExitCompiler64.cpp:
+ (JSC::DFG::OSRExitCompiler::compileExit):
+ * dfg/DFGOSRExitCompilerCommon.cpp:
+ (JSC::DFG::reifyInlinedCallFrames):
+ (JSC::DFG::ArgumentsRecoveryGenerator::ArgumentsRecoveryGenerator): Deleted.
+ (JSC::DFG::ArgumentsRecoveryGenerator::~ArgumentsRecoveryGenerator): Deleted.
+ (JSC::DFG::ArgumentsRecoveryGenerator::generateFor): Deleted.
+ * dfg/DFGOSRExitCompilerCommon.h:
+ * dfg/DFGOperations.cpp:
+ * dfg/DFGOperations.h:
+ * dfg/DFGPlan.cpp:
+ (JSC::DFG::Plan::compileInThreadImpl):
+ * dfg/DFGPreciseLocalClobberize.h:
+ (JSC::DFG::PreciseLocalClobberizeAdaptor::read):
+ (JSC::DFG::PreciseLocalClobberizeAdaptor::write):
+ (JSC::DFG::PreciseLocalClobberizeAdaptor::def):
+ (JSC::DFG::PreciseLocalClobberizeAdaptor::readTop):
+ (JSC::DFG::preciseLocalClobberize):
+ (JSC::DFG::PreciseLocalClobberizeAdaptor::writeTop): Deleted.
+ (JSC::DFG::forEachLocalReadByUnwind): Deleted.
+ * dfg/DFGPredictionPropagationPhase.cpp:
+ (JSC::DFG::PredictionPropagationPhase::run):
+ (JSC::DFG::PredictionPropagationPhase::propagate):
+ (JSC::DFG::PredictionPropagationPhase::doRoundOfDoubleVoting):
+ (JSC::DFG::PredictionPropagationPhase::propagateThroughArgumentPositions):
+ * dfg/DFGPromoteHeapAccess.h:
+ (JSC::DFG::promoteHeapAccess):
+ * dfg/DFGPromotedHeapLocation.cpp:
+ (WTF::printInternal):
+ * dfg/DFGPromotedHeapLocation.h:
+ * dfg/DFGSSAConversionPhase.cpp:
+ (JSC::DFG::SSAConversionPhase::run):
+ * dfg/DFGSafeToExecute.h:
+ (JSC::DFG::safeToExecute):
+ * dfg/DFGSpeculativeJIT.cpp:
+ (JSC::DFG::SpeculativeJIT::emitAllocateJSArray):
+ (JSC::DFG::SpeculativeJIT::emitGetLength):
+ (JSC::DFG::SpeculativeJIT::emitGetCallee):
+ (JSC::DFG::SpeculativeJIT::emitGetArgumentStart):
+ (JSC::DFG::SpeculativeJIT::checkArray):
+ (JSC::DFG::SpeculativeJIT::compileGetByValOnDirectArguments):
+ (JSC::DFG::SpeculativeJIT::compileGetByValOnScopedArguments):
+ (JSC::DFG::SpeculativeJIT::compileGetArrayLength):
+ (JSC::DFG::SpeculativeJIT::compileNewFunction):
+ (JSC::DFG::SpeculativeJIT::compileForwardVarargs):
+ (JSC::DFG::SpeculativeJIT::compileCreateActivation):
+ (JSC::DFG::SpeculativeJIT::compileCreateDirectArguments):
+ (JSC::DFG::SpeculativeJIT::compileGetFromArguments):
+ (JSC::DFG::SpeculativeJIT::compilePutToArguments):
+ (JSC::DFG::SpeculativeJIT::compileCreateScopedArguments):
+ (JSC::DFG::SpeculativeJIT::compileCreateClonedArguments):
+ (JSC::DFG::SpeculativeJIT::emitAllocateArguments): Deleted.
+ (JSC::DFG::SpeculativeJIT::compileGetByValOnArguments): Deleted.
+ (JSC::DFG::SpeculativeJIT::compileGetArgumentsLength): Deleted.
+ (JSC::DFG::SpeculativeJIT::compileNewFunctionNoCheck): Deleted.
+ (JSC::DFG::SpeculativeJIT::compileNewFunctionExpression): Deleted.
+ * dfg/DFGSpeculativeJIT.h:
+ (JSC::DFG::SpeculativeJIT::callOperation):
+ (JSC::DFG::SpeculativeJIT::emitAllocateJSObjectWithKnownSize):
+ (JSC::DFG::SpeculativeJIT::emitAllocateJSObject):
+ (JSC::DFG::SpeculativeJIT::framePointerOffsetToGetActivationRegisters): Deleted.
+ * dfg/DFGSpeculativeJIT32_64.cpp:
+ (JSC::DFG::SpeculativeJIT::emitCall):
+ (JSC::DFG::SpeculativeJIT::compile):
+ * dfg/DFGSpeculativeJIT64.cpp:
+ (JSC::DFG::SpeculativeJIT::emitCall):
+ (JSC::DFG::SpeculativeJIT::compile):
+ * dfg/DFGStackLayoutPhase.cpp:
+ (JSC::DFG::StackLayoutPhase::run):
+ * dfg/DFGStrengthReductionPhase.cpp:
+ (JSC::DFG::StrengthReductionPhase::handleNode):
+ * dfg/DFGStructureRegistrationPhase.cpp:
+ (JSC::DFG::StructureRegistrationPhase::run):
+ * dfg/DFGUnificationPhase.cpp:
+ (JSC::DFG::UnificationPhase::run):
+ * dfg/DFGValidate.cpp:
+ (JSC::DFG::Validate::validateCPS):
+ * dfg/DFGValueSource.cpp:
+ (JSC::DFG::ValueSource::dump):
+ * dfg/DFGValueSource.h:
+ (JSC::DFG::dataFormatToValueSourceKind):
+ (JSC::DFG::valueSourceKindToDataFormat):
+ (JSC::DFG::ValueSource::ValueSource):
+ (JSC::DFG::ValueSource::forFlushFormat):
+ (JSC::DFG::ValueSource::valueRecovery):
+ * dfg/DFGVarargsForwardingPhase.cpp: Added.
+ (JSC::DFG::performVarargsForwarding):
+ * dfg/DFGVarargsForwardingPhase.h: Added.
+ * dfg/DFGVariableAccessData.cpp:
+ (JSC::DFG::VariableAccessData::VariableAccessData):
+ (JSC::DFG::VariableAccessData::flushFormat):
+ (JSC::DFG::VariableAccessData::mergeIsCaptured): Deleted.
+ * dfg/DFGVariableAccessData.h:
+ (JSC::DFG::VariableAccessData::shouldNeverUnbox):
+ (JSC::DFG::VariableAccessData::shouldUseDoubleFormat):
+ (JSC::DFG::VariableAccessData::isCaptured): Deleted.
+ (JSC::DFG::VariableAccessData::mergeIsArgumentsAlias): Deleted.
+ (JSC::DFG::VariableAccessData::isArgumentsAlias): Deleted.
+ * dfg/DFGVariableAccessDataDump.cpp:
+ (JSC::DFG::VariableAccessDataDump::dump):
+ * dfg/DFGVariableAccessDataDump.h:
+ * dfg/DFGVariableEventStream.cpp:
+ (JSC::DFG::VariableEventStream::tryToSetConstantRecovery):
+ * dfg/DFGVariableEventStream.h:
+ * ftl/FTLAbstractHeap.cpp:
+ (JSC::FTL::AbstractHeap::dump):
+ (JSC::FTL::AbstractField::dump):
+ (JSC::FTL::IndexedAbstractHeap::dump):
+ (JSC::FTL::NumberedAbstractHeap::dump):
+ (JSC::FTL::AbsoluteAbstractHeap::dump):
+ * ftl/FTLAbstractHeap.h:
+ * ftl/FTLAbstractHeapRepository.cpp:
+ * ftl/FTLAbstractHeapRepository.h:
+ * ftl/FTLCapabilities.cpp:
+ (JSC::FTL::canCompile):
+ * ftl/FTLCompile.cpp:
+ (JSC::FTL::mmAllocateDataSection):
+ * ftl/FTLExitArgument.cpp:
+ (JSC::FTL::ExitArgument::dump):
+ * ftl/FTLExitPropertyValue.cpp:
+ (JSC::FTL::ExitPropertyValue::withLocalsOffset):
+ * ftl/FTLExitPropertyValue.h:
+ * ftl/FTLExitTimeObjectMaterialization.cpp:
+ (JSC::FTL::ExitTimeObjectMaterialization::ExitTimeObjectMaterialization):
+ (JSC::FTL::ExitTimeObjectMaterialization::accountForLocalsOffset):
+ * ftl/FTLExitTimeObjectMaterialization.h:
+ (JSC::FTL::ExitTimeObjectMaterialization::origin):
+ * ftl/FTLExitValue.cpp:
+ (JSC::FTL::ExitValue::withLocalsOffset):
+ (JSC::FTL::ExitValue::valueFormat):
+ (JSC::FTL::ExitValue::dumpInContext):
+ * ftl/FTLExitValue.h:
+ (JSC::FTL::ExitValue::isArgument):
+ (JSC::FTL::ExitValue::argumentsObjectThatWasNotCreated): Deleted.
+ (JSC::FTL::ExitValue::isArgumentsObjectThatWasNotCreated): Deleted.
+ (JSC::FTL::ExitValue::valueFormat): Deleted.
+ * ftl/FTLInlineCacheSize.cpp:
+ (JSC::FTL::sizeOfCallForwardVarargs):
+ (JSC::FTL::sizeOfConstructForwardVarargs):
+ (JSC::FTL::sizeOfICFor):
+ * ftl/FTLInlineCacheSize.h:
+ * ftl/FTLIntrinsicRepository.h:
+ * ftl/FTLJSCallVarargs.cpp:
+ (JSC::FTL::JSCallVarargs::JSCallVarargs):
+ (JSC::FTL::JSCallVarargs::emit):
+ * ftl/FTLJSCallVarargs.h:
+ * ftl/FTLLowerDFGToLLVM.cpp:
+ (JSC::FTL::LowerDFGToLLVM::lower):
+ (JSC::FTL::LowerDFGToLLVM::compileNode):
+ (JSC::FTL::LowerDFGToLLVM::compilePutStack):
+ (JSC::FTL::LowerDFGToLLVM::compileGetArrayLength):
+ (JSC::FTL::LowerDFGToLLVM::compileGetByVal):
+ (JSC::FTL::LowerDFGToLLVM::compileGetMyArgumentByVal):
+ (JSC::FTL::LowerDFGToLLVM::compilePutByVal):
+ (JSC::FTL::LowerDFGToLLVM::compileArrayPush):
+ (JSC::FTL::LowerDFGToLLVM::compileArrayPop):
+ (JSC::FTL::LowerDFGToLLVM::compileCreateActivation):
+ (JSC::FTL::LowerDFGToLLVM::compileNewFunction):
+ (JSC::FTL::LowerDFGToLLVM::compileCreateDirectArguments):
+ (JSC::FTL::LowerDFGToLLVM::compileCreateScopedArguments):
+ (JSC::FTL::LowerDFGToLLVM::compileCreateClonedArguments):
+ (JSC::FTL::LowerDFGToLLVM::compileStringCharAt):
+ (JSC::FTL::LowerDFGToLLVM::compileStringCharCodeAt):
+ (JSC::FTL::LowerDFGToLLVM::compileGetGlobalVar):
+ (JSC::FTL::LowerDFGToLLVM::compilePutGlobalVar):
+ (JSC::FTL::LowerDFGToLLVM::compileGetArgumentCount):
+ (JSC::FTL::LowerDFGToLLVM::compileGetClosureVar):
+ (JSC::FTL::LowerDFGToLLVM::compilePutClosureVar):
+ (JSC::FTL::LowerDFGToLLVM::compileGetFromArguments):
+ (JSC::FTL::LowerDFGToLLVM::compilePutToArguments):
+ (JSC::FTL::LowerDFGToLLVM::compileCallOrConstructVarargs):
+ (JSC::FTL::LowerDFGToLLVM::compileForwardVarargs):
+ (JSC::FTL::LowerDFGToLLVM::compileGetEnumeratorPname):
+ (JSC::FTL::LowerDFGToLLVM::ArgumentsLength::ArgumentsLength):
+ (JSC::FTL::LowerDFGToLLVM::getArgumentsLength):
+ (JSC::FTL::LowerDFGToLLVM::getCurrentCallee):
+ (JSC::FTL::LowerDFGToLLVM::getArgumentsStart):
+ (JSC::FTL::LowerDFGToLLVM::baseIndex):
+ (JSC::FTL::LowerDFGToLLVM::allocateObject):
+ (JSC::FTL::LowerDFGToLLVM::allocateVariableSizedObject):
+ (JSC::FTL::LowerDFGToLLVM::isArrayType):
+ (JSC::FTL::LowerDFGToLLVM::emitStoreBarrier):
+ (JSC::FTL::LowerDFGToLLVM::buildExitArguments):
+ (JSC::FTL::LowerDFGToLLVM::exitValueForAvailability):
+ (JSC::FTL::LowerDFGToLLVM::exitValueForNode):
+ (JSC::FTL::LowerDFGToLLVM::loadStructure):
+ (JSC::FTL::LowerDFGToLLVM::compilePhantomArguments): Deleted.
+ (JSC::FTL::LowerDFGToLLVM::compileGetMyArgumentsLength): Deleted.
+ (JSC::FTL::LowerDFGToLLVM::compileGetClosureRegisters): Deleted.
+ (JSC::FTL::LowerDFGToLLVM::compileCheckArgumentsNotCreated): Deleted.
+ (JSC::FTL::LowerDFGToLLVM::checkArgumentsNotCreated): Deleted.
+ * ftl/FTLOSRExitCompiler.cpp:
+ (JSC::FTL::compileRecovery):
+ (JSC::FTL::compileStub):
+ * ftl/FTLOperations.cpp:
+ (JSC::FTL::operationMaterializeObjectInOSR):
+ * ftl/FTLOutput.h:
+ (JSC::FTL::Output::aShr):
+ (JSC::FTL::Output::lShr):
+ (JSC::FTL::Output::zeroExtPtr):
+ * heap/CopyToken.h:
+ * interpreter/CallFrame.h:
+ (JSC::ExecState::getArgumentUnsafe):
+ * interpreter/Interpreter.cpp:
+ (JSC::sizeOfVarargs):
+ (JSC::sizeFrameForVarargs):
+ (JSC::loadVarargs):
+ (JSC::unwindCallFrame):
+ * interpreter/Interpreter.h:
+ * interpreter/StackVisitor.cpp:
+ (JSC::StackVisitor::Frame::createArguments):
+ (JSC::StackVisitor::Frame::existingArguments): Deleted.
+ * interpreter/StackVisitor.h:
+ * jit/AssemblyHelpers.h:
+ (JSC::AssemblyHelpers::storeValue):
+ (JSC::AssemblyHelpers::loadValue):
+ (JSC::AssemblyHelpers::storeTrustedValue):
+ (JSC::AssemblyHelpers::branchIfNotCell):
+ (JSC::AssemblyHelpers::branchIsEmpty):
+ (JSC::AssemblyHelpers::argumentsStart):
+ (JSC::AssemblyHelpers::baselineArgumentsRegisterFor): Deleted.
+ (JSC::AssemblyHelpers::offsetOfLocals): Deleted.
+ (JSC::AssemblyHelpers::offsetOfArguments): Deleted.
+ * jit/CCallHelpers.h:
+ (JSC::CCallHelpers::setupArgument):
+ * jit/GPRInfo.h:
+ (JSC::JSValueRegs::withTwoAvailableRegs):
+ * jit/JIT.cpp:
+ (JSC::JIT::privateCompileMainPass):
+ (JSC::JIT::privateCompileSlowCases):
+ * jit/JIT.h:
+ * jit/JITCall.cpp:
+ (JSC::JIT::compileSetupVarargsFrame):
+ * jit/JITCall32_64.cpp:
+ (JSC::JIT::compileSetupVarargsFrame):
+ * jit/JITInlines.h:
+ (JSC::JIT::callOperation):
+ * jit/JITOpcodes.cpp:
+ (JSC::JIT::emit_op_create_lexical_environment):
+ (JSC::JIT::emit_op_new_func):
+ (JSC::JIT::emit_op_create_direct_arguments):
+ (JSC::JIT::emit_op_create_scoped_arguments):
+ (JSC::JIT::emit_op_create_out_of_band_arguments):
+ (JSC::JIT::emit_op_tear_off_arguments): Deleted.
+ (JSC::JIT::emit_op_create_arguments): Deleted.
+ (JSC::JIT::emit_op_init_lazy_reg): Deleted.
+ (JSC::JIT::emit_op_get_arguments_length): Deleted.
+ (JSC::JIT::emitSlow_op_get_arguments_length): Deleted.
+ (JSC::JIT::emit_op_get_argument_by_val): Deleted.
+ (JSC::JIT::emitSlow_op_get_argument_by_val): Deleted.
+ * jit/JITOpcodes32_64.cpp:
+ (JSC::JIT::emit_op_create_lexical_environment):
+ (JSC::JIT::emit_op_tear_off_arguments): Deleted.
+ (JSC::JIT::emit_op_create_arguments): Deleted.
+ (JSC::JIT::emit_op_init_lazy_reg): Deleted.
+ (JSC::JIT::emit_op_get_arguments_length): Deleted.
+ (JSC::JIT::emitSlow_op_get_arguments_length): Deleted.
+ (JSC::JIT::emit_op_get_argument_by_val): Deleted.
+ (JSC::JIT::emitSlow_op_get_argument_by_val): Deleted.
+ * jit/JITOperations.cpp:
+ * jit/JITOperations.h:
+ * jit/JITPropertyAccess.cpp:
+ (JSC::JIT::emitGetClosureVar):
+ (JSC::JIT::emitPutClosureVar):
+ (JSC::JIT::emit_op_get_from_arguments):
+ (JSC::JIT::emit_op_put_to_arguments):
+ (JSC::JIT::emit_op_init_global_const):
+ (JSC::JIT::privateCompileGetByVal):
+ (JSC::JIT::emitDirectArgumentsGetByVal):
+ (JSC::JIT::emitScopedArgumentsGetByVal):
+ * jit/JITPropertyAccess32_64.cpp:
+ (JSC::JIT::emitGetClosureVar):
+ (JSC::JIT::emitPutClosureVar):
+ (JSC::JIT::emit_op_get_from_arguments):
+ (JSC::JIT::emit_op_put_to_arguments):
+ (JSC::JIT::emit_op_init_global_const):
+ * jit/SetupVarargsFrame.cpp:
+ (JSC::emitSetupVarargsFrameFastCase):
+ * llint/LLIntOffsetsExtractor.cpp:
+ * llint/LLIntSlowPaths.cpp:
+ (JSC::LLInt::LLINT_SLOW_PATH_DECL):
+ * llint/LowLevelInterpreter.asm:
+ * llint/LowLevelInterpreter32_64.asm:
+ * llint/LowLevelInterpreter64.asm:
+ * parser/Nodes.h:
+ (JSC::ScopeNode::captures):
+ * runtime/Arguments.cpp: Removed.
+ * runtime/Arguments.h: Removed.
+ * runtime/ArgumentsMode.h: Added.
+ * runtime/DirectArgumentsOffset.cpp: Added.
+ (JSC::DirectArgumentsOffset::dump):
+ * runtime/DirectArgumentsOffset.h: Added.
+ (JSC::DirectArgumentsOffset::DirectArgumentsOffset):
+ * runtime/CommonSlowPaths.cpp:
+ (JSC::SLOW_PATH_DECL):
+ * runtime/CommonSlowPaths.h:
+ * runtime/ConstantMode.cpp: Added.
+ (WTF::printInternal):
+ * runtime/ConstantMode.h:
+ (JSC::modeForIsConstant):
+ * runtime/DirectArguments.cpp: Added.
+ (JSC::DirectArguments::DirectArguments):
+ (JSC::DirectArguments::createUninitialized):
+ (JSC::DirectArguments::create):
+ (JSC::DirectArguments::createByCopying):
+ (JSC::DirectArguments::visitChildren):
+ (JSC::DirectArguments::copyBackingStore):
+ (JSC::DirectArguments::createStructure):
+ (JSC::DirectArguments::overrideThings):
+ (JSC::DirectArguments::overrideThingsIfNecessary):
+ (JSC::DirectArguments::overrideArgument):
+ (JSC::DirectArguments::copyToArguments):
+ (JSC::DirectArguments::overridesSize):
+ * runtime/DirectArguments.h: Added.
+ (JSC::DirectArguments::internalLength):
+ (JSC::DirectArguments::length):
+ (JSC::DirectArguments::canAccessIndexQuickly):
+ (JSC::DirectArguments::getIndexQuickly):
+ (JSC::DirectArguments::setIndexQuickly):
+ (JSC::DirectArguments::callee):
+ (JSC::DirectArguments::argument):
+ (JSC::DirectArguments::overrodeThings):
+ (JSC::DirectArguments::offsetOfCallee):
+ (JSC::DirectArguments::offsetOfLength):
+ (JSC::DirectArguments::offsetOfMinCapacity):
+ (JSC::DirectArguments::offsetOfOverrides):
+ (JSC::DirectArguments::storageOffset):
+ (JSC::DirectArguments::offsetOfSlot):
+ (JSC::DirectArguments::allocationSize):
+ (JSC::DirectArguments::storage):
+ * runtime/FunctionPrototype.cpp:
+ * runtime/GenericArguments.h: Added.
+ (JSC::GenericArguments::GenericArguments):
+ * runtime/GenericArgumentsInlines.h: Added.
+ (JSC::GenericArguments<Type>::getOwnPropertySlot):
+ (JSC::GenericArguments<Type>::getOwnPropertySlotByIndex):
+ (JSC::GenericArguments<Type>::getOwnPropertyNames):
+ (JSC::GenericArguments<Type>::put):
+ (JSC::GenericArguments<Type>::putByIndex):
+ (JSC::GenericArguments<Type>::deleteProperty):
+ (JSC::GenericArguments<Type>::deletePropertyByIndex):
+ (JSC::GenericArguments<Type>::defineOwnProperty):
+ (JSC::GenericArguments<Type>::copyToArguments):
+ * runtime/GenericOffset.h: Added.
+ (JSC::GenericOffset::GenericOffset):
+ (JSC::GenericOffset::operator!):
+ (JSC::GenericOffset::offsetUnchecked):
+ (JSC::GenericOffset::offset):
+ (JSC::GenericOffset::operator==):
+ (JSC::GenericOffset::operator!=):
+ (JSC::GenericOffset::operator<):
+ (JSC::GenericOffset::operator>):
+ (JSC::GenericOffset::operator<=):
+ (JSC::GenericOffset::operator>=):
+ (JSC::GenericOffset::operator+):
+ (JSC::GenericOffset::operator-):
+ (JSC::GenericOffset::operator+=):
+ (JSC::GenericOffset::operator-=):
+ * runtime/JSArgumentsIterator.cpp:
+ (JSC::JSArgumentsIterator::finishCreation):
+ (JSC::argumentsFuncIterator):
+ * runtime/JSArgumentsIterator.h:
+ (JSC::JSArgumentsIterator::create):
+ (JSC::JSArgumentsIterator::next):
+ * runtime/JSEnvironmentRecord.cpp:
+ (JSC::JSEnvironmentRecord::visitChildren):
+ * runtime/JSEnvironmentRecord.h:
+ (JSC::JSEnvironmentRecord::variables):
+ (JSC::JSEnvironmentRecord::isValid):
+ (JSC::JSEnvironmentRecord::variableAt):
+ (JSC::JSEnvironmentRecord::offsetOfVariables):
+ (JSC::JSEnvironmentRecord::offsetOfVariable):
+ (JSC::JSEnvironmentRecord::allocationSizeForScopeSize):
+ (JSC::JSEnvironmentRecord::allocationSize):
+ (JSC::JSEnvironmentRecord::JSEnvironmentRecord):
+ (JSC::JSEnvironmentRecord::finishCreationUninitialized):
+ (JSC::JSEnvironmentRecord::finishCreation):
+ (JSC::JSEnvironmentRecord::registers): Deleted.
+ (JSC::JSEnvironmentRecord::registerAt): Deleted.
+ (JSC::JSEnvironmentRecord::addressOfRegisters): Deleted.
+ (JSC::JSEnvironmentRecord::offsetOfRegisters): Deleted.
+ * runtime/JSFunction.cpp:
+ * runtime/JSGlobalObject.cpp:
+ (JSC::JSGlobalObject::init):
+ (JSC::JSGlobalObject::addGlobalVar):
+ (JSC::JSGlobalObject::addFunction):
+ (JSC::JSGlobalObject::visitChildren):
+ (JSC::JSGlobalObject::addStaticGlobals):
+ * runtime/JSGlobalObject.h:
+ (JSC::JSGlobalObject::directArgumentsStructure):
+ (JSC::JSGlobalObject::scopedArgumentsStructure):
+ (JSC::JSGlobalObject::outOfBandArgumentsStructure):
+ (JSC::JSGlobalObject::argumentsStructure): Deleted.
+ * runtime/JSLexicalEnvironment.cpp:
+ (JSC::JSLexicalEnvironment::symbolTableGet):
+ (JSC::JSLexicalEnvironment::symbolTablePut):
+ (JSC::JSLexicalEnvironment::getOwnNonIndexPropertyNames):
+ (JSC::JSLexicalEnvironment::symbolTablePutWithAttributes):
+ (JSC::JSLexicalEnvironment::visitChildren): Deleted.
+ * runtime/JSLexicalEnvironment.h:
+ (JSC::JSLexicalEnvironment::create):
+ (JSC::JSLexicalEnvironment::JSLexicalEnvironment):
+ (JSC::JSLexicalEnvironment::registersOffset): Deleted.
+ (JSC::JSLexicalEnvironment::storageOffset): Deleted.
+ (JSC::JSLexicalEnvironment::storage): Deleted.
+ (JSC::JSLexicalEnvironment::allocationSize): Deleted.
+ (JSC::JSLexicalEnvironment::isValidIndex): Deleted.
+ (JSC::JSLexicalEnvironment::isValid): Deleted.
+ (JSC::JSLexicalEnvironment::registerAt): Deleted.
+ * runtime/JSNameScope.cpp:
+ (JSC::JSNameScope::visitChildren): Deleted.
+ * runtime/JSNameScope.h:
+ (JSC::JSNameScope::create):
+ (JSC::JSNameScope::value):
+ (JSC::JSNameScope::finishCreation):
+ (JSC::JSNameScope::JSNameScope):
+ * runtime/JSScope.cpp:
+ (JSC::abstractAccess):
+ * runtime/JSSegmentedVariableObject.cpp:
+ (JSC::JSSegmentedVariableObject::findVariableIndex):
+ (JSC::JSSegmentedVariableObject::addVariables):
+ (JSC::JSSegmentedVariableObject::visitChildren):
+ (JSC::JSSegmentedVariableObject::findRegisterIndex): Deleted.
+ (JSC::JSSegmentedVariableObject::addRegisters): Deleted.
+ * runtime/JSSegmentedVariableObject.h:
+ (JSC::JSSegmentedVariableObject::variableAt):
+ (JSC::JSSegmentedVariableObject::assertVariableIsInThisObject):
+ (JSC::JSSegmentedVariableObject::registerAt): Deleted.
+ (JSC::JSSegmentedVariableObject::assertRegisterIsInThisObject): Deleted.
+ * runtime/JSSymbolTableObject.h:
+ (JSC::JSSymbolTableObject::offsetOfSymbolTable):
+ (JSC::symbolTableGet):
+ (JSC::symbolTablePut):
+ (JSC::symbolTablePutWithAttributes):
+ * runtime/JSType.h:
+ * runtime/Options.h:
+ * runtime/ClonedArguments.cpp: Added.
+ (JSC::ClonedArguments::ClonedArguments):
+ (JSC::ClonedArguments::createEmpty):
+ (JSC::ClonedArguments::createWithInlineFrame):
+ (JSC::ClonedArguments::createWithMachineFrame):
+ (JSC::ClonedArguments::createByCopyingFrom):
+ (JSC::ClonedArguments::createStructure):
+ (JSC::ClonedArguments::getOwnPropertySlot):
+ (JSC::ClonedArguments::getOwnPropertyNames):
+ (JSC::ClonedArguments::put):
+ (JSC::ClonedArguments::deleteProperty):
+ (JSC::ClonedArguments::defineOwnProperty):
+ (JSC::ClonedArguments::materializeSpecials):
+ (JSC::ClonedArguments::materializeSpecialsIfNecessary):
+ * runtime/ClonedArguments.h: Added.
+ (JSC::ClonedArguments::specialsMaterialized):
+ * runtime/ScopeOffset.cpp: Added.
+ (JSC::ScopeOffset::dump):
+ * runtime/ScopeOffset.h: Added.
+ (JSC::ScopeOffset::ScopeOffset):
+ * runtime/ScopedArguments.cpp: Added.
+ (JSC::ScopedArguments::ScopedArguments):
+ (JSC::ScopedArguments::finishCreation):
+ (JSC::ScopedArguments::createUninitialized):
+ (JSC::ScopedArguments::create):
+ (JSC::ScopedArguments::createByCopying):
+ (JSC::ScopedArguments::createByCopyingFrom):
+ (JSC::ScopedArguments::visitChildren):
+ (JSC::ScopedArguments::createStructure):
+ (JSC::ScopedArguments::overrideThings):
+ (JSC::ScopedArguments::overrideThingsIfNecessary):
+ (JSC::ScopedArguments::overrideArgument):
+ (JSC::ScopedArguments::copyToArguments):
+ * runtime/ScopedArguments.h: Added.
+ (JSC::ScopedArguments::internalLength):
+ (JSC::ScopedArguments::length):
+ (JSC::ScopedArguments::canAccessIndexQuickly):
+ (JSC::ScopedArguments::getIndexQuickly):
+ (JSC::ScopedArguments::setIndexQuickly):
+ (JSC::ScopedArguments::callee):
+ (JSC::ScopedArguments::overrodeThings):
+ (JSC::ScopedArguments::offsetOfOverrodeThings):
+ (JSC::ScopedArguments::offsetOfTotalLength):
+ (JSC::ScopedArguments::offsetOfTable):
+ (JSC::ScopedArguments::offsetOfScope):
+ (JSC::ScopedArguments::overflowStorageOffset):
+ (JSC::ScopedArguments::allocationSize):
+ (JSC::ScopedArguments::overflowStorage):
+ * runtime/ScopedArgumentsTable.cpp: Added.
+ (JSC::ScopedArgumentsTable::ScopedArgumentsTable):
+ (JSC::ScopedArgumentsTable::~ScopedArgumentsTable):
+ (JSC::ScopedArgumentsTable::destroy):
+ (JSC::ScopedArgumentsTable::create):
+ (JSC::ScopedArgumentsTable::clone):
+ (JSC::ScopedArgumentsTable::setLength):
+ (JSC::ScopedArgumentsTable::set):
+ (JSC::ScopedArgumentsTable::createStructure):
+ * runtime/ScopedArgumentsTable.h: Added.
+ (JSC::ScopedArgumentsTable::length):
+ (JSC::ScopedArgumentsTable::get):
+ (JSC::ScopedArgumentsTable::lock):
+ (JSC::ScopedArgumentsTable::offsetOfLength):
+ (JSC::ScopedArgumentsTable::offsetOfArguments):
+ (JSC::ScopedArgumentsTable::at):
+ * runtime/SymbolTable.cpp:
+ (JSC::SymbolTableEntry::prepareToWatch):
+ (JSC::SymbolTable::SymbolTable):
+ (JSC::SymbolTable::visitChildren):
+ (JSC::SymbolTable::localToEntry):
+ (JSC::SymbolTable::entryFor):
+ (JSC::SymbolTable::cloneScopePart):
+ (JSC::SymbolTable::prepareForTypeProfiling):
+ (JSC::SymbolTable::uniqueIDForOffset):
+ (JSC::SymbolTable::globalTypeSetForOffset):
+ (JSC::SymbolTable::cloneCapturedNames): Deleted.
+ (JSC::SymbolTable::uniqueIDForRegister): Deleted.
+ (JSC::SymbolTable::globalTypeSetForRegister): Deleted.
+ * runtime/SymbolTable.h:
+ (JSC::SymbolTableEntry::varOffsetFromBits):
+ (JSC::SymbolTableEntry::scopeOffsetFromBits):
+ (JSC::SymbolTableEntry::Fast::varOffset):
+ (JSC::SymbolTableEntry::Fast::scopeOffset):
+ (JSC::SymbolTableEntry::Fast::isDontEnum):
+ (JSC::SymbolTableEntry::Fast::getAttributes):
+ (JSC::SymbolTableEntry::SymbolTableEntry):
+ (JSC::SymbolTableEntry::varOffset):
+ (JSC::SymbolTableEntry::isWatchable):
+ (JSC::SymbolTableEntry::scopeOffset):
+ (JSC::SymbolTableEntry::setAttributes):
+ (JSC::SymbolTableEntry::constantMode):
+ (JSC::SymbolTableEntry::isDontEnum):
+ (JSC::SymbolTableEntry::disableWatching):
+ (JSC::SymbolTableEntry::pack):
+ (JSC::SymbolTableEntry::isValidVarOffset):
+ (JSC::SymbolTable::createNameScopeTable):
+ (JSC::SymbolTable::maxScopeOffset):
+ (JSC::SymbolTable::didUseScopeOffset):
+ (JSC::SymbolTable::didUseVarOffset):
+ (JSC::SymbolTable::scopeSize):
+ (JSC::SymbolTable::nextScopeOffset):
+ (JSC::SymbolTable::takeNextScopeOffset):
+ (JSC::SymbolTable::add):
+ (JSC::SymbolTable::set):
+ (JSC::SymbolTable::argumentsLength):
+ (JSC::SymbolTable::setArgumentsLength):
+ (JSC::SymbolTable::argumentOffset):
+ (JSC::SymbolTable::setArgumentOffset):
+ (JSC::SymbolTable::arguments):
+ (JSC::SlowArgument::SlowArgument): Deleted.
+ (JSC::SymbolTableEntry::Fast::getIndex): Deleted.
+ (JSC::SymbolTableEntry::getIndex): Deleted.
+ (JSC::SymbolTableEntry::isValidIndex): Deleted.
+ (JSC::SymbolTable::captureStart): Deleted.
+ (JSC::SymbolTable::setCaptureStart): Deleted.
+ (JSC::SymbolTable::captureEnd): Deleted.
+ (JSC::SymbolTable::setCaptureEnd): Deleted.
+ (JSC::SymbolTable::captureCount): Deleted.
+ (JSC::SymbolTable::isCaptured): Deleted.
+ (JSC::SymbolTable::parameterCount): Deleted.
+ (JSC::SymbolTable::parameterCountIncludingThis): Deleted.
+ (JSC::SymbolTable::setParameterCountIncludingThis): Deleted.
+ (JSC::SymbolTable::slowArguments): Deleted.
+ (JSC::SymbolTable::setSlowArguments): Deleted.
+ * runtime/VM.cpp:
+ (JSC::VM::VM):
+ * runtime/VM.h:
+ * runtime/VarOffset.cpp: Added.
+ (JSC::VarOffset::dump):
+ (WTF::printInternal):
+ * runtime/VarOffset.h: Added.
+ (JSC::VarOffset::VarOffset):
+ (JSC::VarOffset::assemble):
+ (JSC::VarOffset::isValid):
+ (JSC::VarOffset::operator!):
+ (JSC::VarOffset::kind):
+ (JSC::VarOffset::isStack):
+ (JSC::VarOffset::isScope):
+ (JSC::VarOffset::isDirectArgument):
+ (JSC::VarOffset::stackOffsetUnchecked):
+ (JSC::VarOffset::scopeOffsetUnchecked):
+ (JSC::VarOffset::capturedArgumentsOffsetUnchecked):
+ (JSC::VarOffset::stackOffset):
+ (JSC::VarOffset::scopeOffset):
+ (JSC::VarOffset::capturedArgumentsOffset):
+ (JSC::VarOffset::rawOffset):
+ (JSC::VarOffset::checkSanity):
+ (JSC::VarOffset::operator==):
+ (JSC::VarOffset::operator!=):
+ (JSC::VarOffset::hash):
+ (JSC::VarOffset::isHashTableDeletedValue):
+ (JSC::VarOffsetHash::hash):
+ (JSC::VarOffsetHash::equal):
+ * tests/stress/arguments-exit-strict-mode.js: Added.
+ * tests/stress/arguments-exit.js: Added.
+ * tests/stress/arguments-inlined-exit-strict-mode-fixed.js: Added.
+ * tests/stress/arguments-inlined-exit-strict-mode.js: Added.
+ * tests/stress/arguments-inlined-exit.js: Added.
+ * tests/stress/arguments-interference.js: Added.
+ * tests/stress/arguments-interference-cfg.js: Added.
+ * tests/stress/dead-get-closure-var.js: Added.
+ * tests/stress/get-declared-unpassed-argument-in-direct-arguments.js: Added.
+ * tests/stress/get-declared-unpassed-argument-in-scoped-arguments.js: Added.
+ * tests/stress/varargs-closure-inlined-exit-strict-mode.js: Added.
+ * tests/stress/varargs-closure-inlined-exit.js: Added.
+ * tests/stress/varargs-exit.js: Added.
+ * tests/stress/varargs-inlined-exit.js: Added.
+ * tests/stress/varargs-inlined-simple-exit-aliasing-weird-reversed-args.js: Added.
+ * tests/stress/varargs-inlined-simple-exit-aliasing-weird.js: Added.
+ * tests/stress/varargs-inlined-simple-exit-aliasing.js: Added.
+ * tests/stress/varargs-inlined-simple-exit.js: Added.
+ * tests/stress/varargs-too-few-arguments.js: Added.
+ * tests/stress/varargs-varargs-closure-inlined-exit.js: Added.
+ * tests/stress/varargs-varargs-inlined-exit-strict-mode.js: Added.
+ * tests/stress/varargs-varargs-inlined-exit.js: Added.
+
2015-03-25 Andy Estes <aestes@apple.com>
[Cocoa] RemoteInspectorXPCConnection::deserializeMessage() leaks a NSDictionary under Objective-C GC
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2A4EC90B1860D6C20094F782 /* WriteBarrierBuffer.cpp in Sources */,
0FC8150B14043C0E00CFA603 /* WriteBarrierSupport.cpp in Sources */,
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0F3B7E2A19A11B8000D9BC56 /* CallVariant.cpp in Sources */,
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863C6D9C1521111A00585E4E /* YarrCanonicalizeUCS2.cpp in Sources */,
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/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
DFGSlowPathGeneratorFellThrough = 210,
DFGUnreachableBasicBlock = 220,
DFGUnreasonableOSREntryJumpDestination = 230,
+ DFGVarargsThrowingPathDidNotThrow = 235,
JITDivOperandsAreNotNumbers = 240,
JITGetByValResultIsNotEmpty = 250,
JITNotSupported = 260,
/*
- * Copyright (C) 2008, 2012, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2012, 2014, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
RegisterID index;
Scale scale;
int32_t offset;
+
+ BaseIndex withOffset(int32_t additionalOffset)
+ {
+ return BaseIndex(base, index, scale, offset + additionalOffset);
+ }
};
// AbsoluteAddress:
/*
- * Copyright (C) 2012 Apple Inc. All rights reserved.
+ * Copyright (C) 2012, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
JITDouble,
JITContiguous,
JITArrayStorage,
+ JITDirectArguments,
+ JITScopedArguments,
JITInt8Array,
JITInt16Array,
JITInt32Array,
}
}
+inline bool hasOptimizableIndexingForJSType(JSType type)
+{
+ switch (type) {
+ case DirectArgumentsType:
+ case ScopedArgumentsType:
+ return true;
+ default:
+ return false;
+ }
+}
+
inline bool hasOptimizableIndexingForClassInfo(const ClassInfo* classInfo)
{
return isTypedView(classInfo->typedArrayStorageType);
inline bool hasOptimizableIndexing(Structure* structure)
{
return isOptimizableIndexingType(structure->indexingType())
+ || hasOptimizableIndexingForJSType(structure->typeInfo().type())
|| hasOptimizableIndexingForClassInfo(structure->classInfo());
}
}
}
+inline JITArrayMode jitArrayModeForJSType(JSType type)
+{
+ switch (type) {
+ case DirectArgumentsType:
+ return JITDirectArguments;
+ case ScopedArgumentsType:
+ return JITScopedArguments;
+ default:
+ RELEASE_ASSERT_NOT_REACHED();
+ return JITContiguous;
+ }
+}
+
inline JITArrayMode jitArrayModeForClassInfo(const ClassInfo* classInfo)
{
switch (classInfo->typedArrayStorageType) {
}
}
+inline bool jitArrayModePermitsPut(JITArrayMode mode)
+{
+ switch (mode) {
+ case JITDirectArguments:
+ case JITScopedArguments:
+ // We could support put_by_val on these at some point, but it's just not that profitable
+ // at the moment.
+ return false;
+ default:
+ return true;
+ }
+}
+
inline TypedArrayType typedArrayTypeForJITArrayMode(JITArrayMode mode)
{
switch (mode) {
if (isOptimizableIndexingType(structure->indexingType()))
return jitArrayModeForIndexingType(structure->indexingType());
+ if (hasOptimizableIndexingForJSType(structure->typeInfo().type()))
+ return jitArrayModeForJSType(structure->typeInfo().type());
+
ASSERT(hasOptimizableIndexingForClassInfo(structure->classInfo()));
return jitArrayModeForClassInfo(structure->classInfo());
}
--- /dev/null
+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BytecodeKills_h
+#define BytecodeKills_h
+
+#include "CodeBlock.h"
+#include <wtf/FastBitVector.h>
+
+namespace JSC {
+
+class BytecodeLivenessAnalysis;
+
+class BytecodeKills {
+public:
+ BytecodeKills()
+ : m_codeBlock(nullptr)
+ {
+ }
+
+ // By convention, we say that non-local operands are never killed.
+ bool operandIsKilled(unsigned bytecodeIndex, int operand) const
+ {
+ ASSERT_WITH_SECURITY_IMPLICATION(bytecodeIndex < m_codeBlock->instructions().size());
+ VirtualRegister reg(operand);
+ if (reg.isLocal())
+ return m_killSets[bytecodeIndex].contains(operand);
+ return false;
+ }
+
+ bool operandIsKilled(Instruction* instruction, int operand) const
+ {
+ return operandIsKilled(instruction - m_codeBlock->instructions().begin(), operand);
+ }
+
+ template<typename Functor>
+ void forEachOperandKilledAt(unsigned bytecodeIndex, const Functor& functor) const
+ {
+ ASSERT_WITH_SECURITY_IMPLICATION(bytecodeIndex < m_codeBlock->instructions().size());
+ m_killSets[bytecodeIndex].forEachLocal(
+ [&] (unsigned local) {
+ functor(virtualRegisterForLocal(local));
+ });
+ }
+
+ template<typename Functor>
+ void forEachOperandKilledAt(Instruction* pc, const Functor& functor) const
+ {
+ forEachOperandKilledAt(pc - m_codeBlock->instructions().begin(), functor);
+ }
+
+private:
+ friend class BytecodeLivenessAnalysis;
+
+ class KillSet {
+ public:
+ KillSet()
+ : m_word(0)
+ {
+ }
+
+ ~KillSet()
+ {
+ if (hasVector())
+ delete vector();
+ }
+
+ void add(unsigned local)
+ {
+ if (isEmpty()) {
+ setOneItem(local);
+ return;
+ }
+ if (hasOneItem()) {
+ ASSERT(oneItem() != local);
+ Vector<unsigned>* vector = new Vector<unsigned>();
+ vector->append(oneItem());
+ vector->append(local);
+ setVector(vector);
+ return;
+ }
+ ASSERT(!vector()->contains(local));
+ vector()->append(local);
+ }
+
+ template<typename Functor>
+ void forEachLocal(const Functor& functor)
+ {
+ if (isEmpty())
+ return;
+ if (hasOneItem()) {
+ functor(oneItem());
+ return;
+ }
+ for (unsigned local : *vector())
+ functor(local);
+ }
+
+ bool contains(unsigned expectedLocal)
+ {
+ if (isEmpty())
+ return false;
+ if (hasOneItem())
+ return oneItem() == expectedLocal;
+ for (unsigned local : *vector()) {
+ if (local == expectedLocal)
+ return true;
+ }
+ return false;
+ }
+
+ private:
+ bool isEmpty() const
+ {
+ return !m_word;
+ }
+
+ bool hasOneItem() const
+ {
+ return m_word & 1;
+ }
+
+ unsigned oneItem() const
+ {
+ return m_word >> 1;
+ }
+
+ void setOneItem(unsigned value)
+ {
+ m_word = (value << 1) | 1;
+ }
+
+ bool hasVector() const
+ {
+ return !isEmpty() && !hasOneItem();
+ }
+
+ Vector<unsigned>* vector()
+ {
+ return bitwise_cast<Vector<unsigned>*>(m_word);
+ }
+
+ void setVector(Vector<unsigned>* value)
+ {
+ m_word = bitwise_cast<uintptr_t>(value);
+ }
+
+ uintptr_t m_word;
+ };
+
+ CodeBlock* m_codeBlock;
+ std::unique_ptr<KillSet[]> m_killSets;
+};
+
+} // namespace JSC
+
+#endif // BytecodeKills_h
+
{ "name" : "op_create_lexical_environment", "length" : 3 },
{ "name" : "op_get_scope", "length" : 2 },
{ "name" : "op_touch_entry", "length" : 1 },
- { "name" : "op_init_lazy_reg", "length" : 2 },
- { "name" : "op_create_arguments", "length" : 3 },
+ { "name" : "op_create_direct_arguments", "length" : 2 },
+ { "name" : "op_create_scoped_arguments", "length" : 3 },
+ { "name" : "op_create_out_of_band_arguments", "length" : 2 },
{ "name" : "op_create_this", "length" : 4 },
{ "name" : "op_to_this", "length" : 4 },
{ "name" : "op_check_tdz", "length" : 2 },
{ "name" : "op_get_by_id", "length" : 9 },
{ "name" : "op_get_by_id_out_of_line", "length" : 9 },
{ "name" : "op_get_array_length", "length" : 9 },
- { "name" : "op_get_arguments_length", "length" : 4 },
{ "name" : "op_put_by_id", "length" : 9 },
{ "name" : "op_put_by_id_out_of_line", "length" : 9 },
{ "name" : "op_put_by_id_transition_direct", "length" : 9 },
{ "name" : "op_put_by_id_transition_normal_out_of_line", "length" : 9 },
{ "name" : "op_del_by_id", "length" : 4 },
{ "name" : "op_get_by_val", "length" : 6 },
- { "name" : "op_get_argument_by_val", "length" : 7 },
{ "name" : "op_put_by_val", "length" : 5 },
{ "name" : "op_put_by_val_direct", "length" : 5 },
{ "name" : "op_del_by_val", "length" : 4 },
{ "name" : "op_switch_imm", "length" : 4 },
{ "name" : "op_switch_char", "length" : 4 },
{ "name" : "op_switch_string", "length" : 4 },
- { "name" : "op_new_func", "length" : 5 },
+ { "name" : "op_new_func", "length" : 4 },
{ "name" : "op_new_func_exp", "length" : 4 },
{ "name" : "op_call", "length" : 9 },
{ "name" : "op_call_eval", "length" : 9 },
{ "name" : "op_call_varargs", "length" : 9 },
- { "name" : "op_tear_off_arguments", "length" : 3 },
{ "name" : "op_ret", "length" : 2 },
{ "name" : "op_construct", "length" : 9 },
{ "name" : "op_construct_varargs", "length" : 9 },
{ "name" : "op_resolve_scope", "length" : 7 },
{ "name" : "op_get_from_scope", "length" : 8 },
{ "name" : "op_put_to_scope", "length" : 7 },
+ { "name" : "op_get_from_arguments", "length" : 5 },
+ { "name" : "op_put_to_arguments", "length" : 4 },
{ "name" : "op_push_with_scope", "length" : 3 },
{ "name" : "op_pop_scope", "length" : 2 },
{ "name" : "op_push_name_scope", "length" : 5 },
#include "config.h"
#include "BytecodeLivenessAnalysis.h"
+#include "BytecodeKills.h"
#include "BytecodeLivenessAnalysisInlines.h"
#include "BytecodeUseDef.h"
#include "CodeBlock.h"
return false;
VirtualRegister virtualReg(operand);
- if (!virtualReg.isLocal())
- return false;
-
- if (codeBlock->captureCount()
- && operand <= codeBlock->captureStart()
- && operand > codeBlock->captureEnd())
- return false;
-
- return true;
-}
-
-static unsigned indexForOperand(CodeBlock* codeBlock, int operand)
-{
- ASSERT(isValidRegisterForLiveness(codeBlock, operand));
- VirtualRegister virtualReg(operand);
- if (virtualReg.offset() > codeBlock->captureStart())
- return virtualReg.toLocal();
- return virtualReg.toLocal() - codeBlock->captureCount();
+ return virtualReg.isLocal();
}
static unsigned getLeaderOffsetForBasicBlock(RefPtr<BytecodeBasicBlock>* basicBlock)
codeBlock, bytecodeOffset,
[&] (CodeBlock* codeBlock, Instruction*, OpcodeID, int operand) {
if (isValidRegisterForLiveness(codeBlock, operand))
- def(indexForOperand(codeBlock, operand));
+ def(VirtualRegister(operand).toLocal());
});
-
+
computeUsesForBytecodeOffset(
codeBlock, bytecodeOffset,
[&] (CodeBlock* codeBlock, Instruction*, OpcodeID, int operand) {
if (isValidRegisterForLiveness(codeBlock, operand))
- use(indexForOperand(codeBlock, operand));
+ use(VirtualRegister(operand).toLocal());
});
// If we have an exception handler, we want the live-in variables of the
void BytecodeLivenessAnalysis::runLivenessFixpoint()
{
UnlinkedCodeBlock* unlinkedCodeBlock = m_codeBlock->unlinkedCodeBlock();
- unsigned numberOfVariables =
- unlinkedCodeBlock->m_numCalleeRegisters - m_codeBlock->captureCount();
+ unsigned numberOfVariables = unlinkedCodeBlock->m_numCalleeRegisters;
for (unsigned i = 0; i < m_basicBlocks.size(); i++) {
BytecodeBasicBlock* block = m_basicBlocks[i].get();
newOut.resize(m_basicBlocks.last()->out().numBits());
do {
changed = false;
- for (int i = m_basicBlocks.size() - 2; i >= 0; i--) {
+ for (unsigned i = m_basicBlocks.size() - 1; i--;) {
BytecodeBasicBlock* block = m_basicBlocks[i].get();
newOut.clearAll();
for (unsigned j = 0; j < block->successors().size(); j++)
} while (changed);
}
-void BytecodeLivenessAnalysis::getLivenessInfoForNonCapturedVarsAtBytecodeOffset(unsigned bytecodeOffset, FastBitVector& result)
+void BytecodeLivenessAnalysis::getLivenessInfoAtBytecodeOffset(unsigned bytecodeOffset, FastBitVector& result)
{
BytecodeBasicBlock* block = findBasicBlockForBytecodeOffset(m_basicBlocks, bytecodeOffset);
ASSERT(block);
bool BytecodeLivenessAnalysis::operandIsLiveAtBytecodeOffset(int operand, unsigned bytecodeOffset)
{
- if (operandIsAlwaysLive(m_codeBlock, operand))
+ if (operandIsAlwaysLive(operand))
return true;
FastBitVector result;
- getLivenessInfoForNonCapturedVarsAtBytecodeOffset(bytecodeOffset, result);
- return operandThatIsNotAlwaysLiveIsLive(m_codeBlock, result, operand);
-}
-
-FastBitVector getLivenessInfo(CodeBlock* codeBlock, const FastBitVector& out)
-{
- FastBitVector result;
-
- unsigned numCapturedVars = codeBlock->captureCount();
- if (numCapturedVars) {
- int firstCapturedLocal = VirtualRegister(codeBlock->captureStart()).toLocal();
- result.resize(out.numBits() + numCapturedVars);
- for (unsigned i = 0; i < numCapturedVars; ++i)
- result.set(firstCapturedLocal + i);
- } else
- result.resize(out.numBits());
-
- int outLength = out.numBits();
- ASSERT(outLength >= 0);
- for (int i = 0; i < outLength; i++) {
- if (!out.get(i))
- continue;
-
- if (!numCapturedVars) {
- result.set(i);
- continue;
- }
-
- if (virtualRegisterForLocal(i).offset() > codeBlock->captureStart())
- result.set(i);
- else
- result.set(numCapturedVars + i);
- }
- return result;
+ getLivenessInfoAtBytecodeOffset(bytecodeOffset, result);
+ return operandThatIsNotAlwaysLiveIsLive(result, operand);
}
FastBitVector BytecodeLivenessAnalysis::getLivenessInfoAtBytecodeOffset(unsigned bytecodeOffset)
{
FastBitVector out;
- getLivenessInfoForNonCapturedVarsAtBytecodeOffset(bytecodeOffset, out);
- return getLivenessInfo(m_codeBlock, out);
+ getLivenessInfoAtBytecodeOffset(bytecodeOffset, out);
+ return out;
}
void BytecodeLivenessAnalysis::computeFullLiveness(FullBytecodeLiveness& result)
{
FastBitVector out;
- result.m_codeBlock = m_codeBlock;
result.m_map.clear();
for (unsigned i = m_basicBlocks.size(); i--;) {
}
}
+void BytecodeLivenessAnalysis::computeKills(BytecodeKills& result)
+{
+ FastBitVector out;
+
+ result.m_codeBlock = m_codeBlock;
+ result.m_killSets = std::make_unique<BytecodeKills::KillSet[]>(m_codeBlock->instructions().size());
+
+ for (unsigned i = m_basicBlocks.size(); i--;) {
+ BytecodeBasicBlock* block = m_basicBlocks[i].get();
+ if (block->isEntryBlock() || block->isExitBlock())
+ continue;
+
+ out = block->out();
+
+ for (unsigned i = block->bytecodeOffsets().size(); i--;) {
+ unsigned bytecodeOffset = block->bytecodeOffsets()[i];
+ stepOverInstruction(
+ m_codeBlock, m_basicBlocks, bytecodeOffset,
+ [&] (unsigned index) {
+ // This is for uses.
+ if (out.get(index))
+ return;
+ result.m_killSets[bytecodeOffset].add(index);
+ out.set(index);
+ },
+ [&] (unsigned index) {
+ // This is for defs.
+ out.clear(index);
+ });
+ }
+ }
+}
+
void BytecodeLivenessAnalysis::dumpResults()
{
Interpreter* interpreter = m_codeBlock->vm()->interpreter;
/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
namespace JSC {
+class BytecodeKills;
class CodeBlock;
class FullBytecodeLiveness;
FastBitVector getLivenessInfoAtBytecodeOffset(unsigned bytecodeOffset);
void computeFullLiveness(FullBytecodeLiveness& result);
+ void computeKills(BytecodeKills& result);
private:
void compute();
void runLivenessFixpoint();
void dumpResults();
- void getLivenessInfoForNonCapturedVarsAtBytecodeOffset(unsigned bytecodeOffset, FastBitVector&);
+ void getLivenessInfoAtBytecodeOffset(unsigned bytecodeOffset, FastBitVector&);
CodeBlock* m_codeBlock;
Vector<RefPtr<BytecodeBasicBlock> > m_basicBlocks;
};
-inline bool operandIsAlwaysLive(CodeBlock*, int operand);
-inline bool operandThatIsNotAlwaysLiveIsLive(CodeBlock*, const FastBitVector& out, int operand);
-inline bool operandIsLive(CodeBlock*, const FastBitVector& out, int operand);
-
-FastBitVector getLivenessInfo(CodeBlock*, const FastBitVector& out);
+inline bool operandIsAlwaysLive(int operand);
+inline bool operandThatIsNotAlwaysLiveIsLive(const FastBitVector& out, int operand);
+inline bool operandIsLive(const FastBitVector& out, int operand);
} // namespace JSC
/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
namespace JSC {
-inline bool operandIsAlwaysLive(CodeBlock* codeBlock, int operand)
+inline bool operandIsAlwaysLive(int operand)
{
- if (VirtualRegister(operand).isArgument())
- return true;
- return operand <= codeBlock->captureStart() && operand > codeBlock->captureEnd();
+ return !VirtualRegister(operand).isLocal();
}
-inline bool operandThatIsNotAlwaysLiveIsLive(CodeBlock* codeBlock, const FastBitVector& out, int operand)
+inline bool operandThatIsNotAlwaysLiveIsLive(const FastBitVector& out, int operand)
{
- VirtualRegister virtualReg(operand);
- if (virtualReg.offset() > codeBlock->captureStart())
- return out.get(virtualReg.toLocal());
- size_t index = virtualReg.toLocal() - codeBlock->captureCount();
- if (index >= out.numBits())
+ unsigned local = VirtualRegister(operand).toLocal();
+ if (local >= out.numBits())
return false;
- return out.get(index);
+ return out.get(local);
}
-inline bool operandIsLive(CodeBlock* codeBlock, const FastBitVector& out, int operand)
+inline bool operandIsLive(const FastBitVector& out, int operand)
{
- return operandIsAlwaysLive(codeBlock, operand) || operandThatIsNotAlwaysLiveIsLive(codeBlock, out, operand);
+ return operandIsAlwaysLive(operand) || operandThatIsNotAlwaysLiveIsLive(out, operand);
}
} // namespace JSC
case op_loop_hint:
case op_jmp:
case op_new_object:
- case op_init_lazy_reg:
case op_enter:
case op_catch:
case op_touch_entry:
case op_profile_control_flow:
+ case op_create_direct_arguments:
+ case op_create_out_of_band_arguments:
return;
case op_get_scope:
case op_to_this:
functor(codeBlock, instruction, opcodeID, instruction[1].u.operand);
return;
}
- case op_create_arguments:
- case op_new_func:
case op_jlesseq:
case op_jgreater:
case op_jgreatereq:
case op_put_by_id_transition_normal_out_of_line:
case op_put_by_id_out_of_line:
case op_put_by_id:
- case op_put_to_scope: {
+ case op_put_to_scope:
+ case op_put_to_arguments: {
functor(codeBlock, instruction, opcodeID, instruction[1].u.operand);
functor(codeBlock, instruction, opcodeID, instruction[3].u.operand);
return;
case op_get_by_id:
case op_get_by_id_out_of_line:
case op_get_array_length:
- case op_get_arguments_length:
case op_typeof:
case op_is_undefined:
case op_is_boolean:
case op_new_array_with_size:
case op_create_this:
case op_del_by_id:
- case op_unsigned: {
+ case op_unsigned:
+ case op_new_func:
+ case op_create_scoped_arguments:
+ case op_get_from_arguments: {
functor(codeBlock, instruction, opcodeID, instruction[2].u.operand);
return;
}
return;
}
case op_has_structure_property:
- case op_get_argument_by_val:
case op_construct_varargs:
case op_call_varargs: {
functor(codeBlock, instruction, opcodeID, instruction[2].u.operand);
functor(codeBlock, instruction, opcodeID, lastArg + i);
return;
}
- case op_tear_off_arguments: {
- functor(codeBlock, instruction, opcodeID, instruction[1].u.operand);
- functor(codeBlock, instruction, opcodeID, unmodifiedArgumentsRegister(VirtualRegister(instruction[1].u.operand)).offset());
- functor(codeBlock, instruction, opcodeID, instruction[2].u.operand);
- return;
- }
default:
RELEASE_ASSERT_NOT_REACHED();
break;
case op_put_by_val:
case op_put_by_val_direct:
case op_put_by_index:
- case op_tear_off_arguments:
case op_profile_type:
case op_profile_control_flow:
case op_touch_entry:
+ case op_put_to_arguments:
#define LLINT_HELPER_OPCODES(opcode, length) case opcode:
FOR_EACH_LLINT_OPCODE_EXTENSION(LLINT_HELPER_OPCODES);
#undef LLINT_HELPER_OPCODES
case op_check_has_instance:
case op_instanceof:
case op_get_by_val:
- case op_get_argument_by_val:
- case op_get_arguments_length:
case op_typeof:
case op_is_undefined:
case op_is_boolean:
case op_new_object:
case op_to_this:
case op_check_tdz:
- case op_init_lazy_reg:
case op_get_scope:
- case op_create_arguments:
+ case op_create_direct_arguments:
+ case op_create_scoped_arguments:
+ case op_create_out_of_band_arguments:
case op_del_by_id:
case op_del_by_val:
- case op_unsigned: {
+ case op_unsigned:
+ case op_get_from_arguments: {
functor(codeBlock, instruction, opcodeID, instruction[1].u.operand);
return;
}
static_cast<unsigned long>(instructions().size()),
static_cast<unsigned long>(instructions().size() * sizeof(Instruction)),
m_numParameters, m_numCalleeRegisters, m_numVars);
- if (symbolTable() && symbolTable()->captureCount()) {
- out.printf(
- "; %d captured var(s) (from r%d to r%d, inclusive)",
- symbolTable()->captureCount(), symbolTable()->captureStart(), symbolTable()->captureEnd() + 1);
- }
- if (usesArguments()) {
- out.printf(
- "; uses arguments, in r%d, r%d",
- argumentsRegister().offset(),
- unmodifiedArgumentsRegister(argumentsRegister()).offset());
- }
if (needsActivation() && codeType() == FunctionCode)
out.printf("; lexical environment in r%d", activationRegister().offset());
out.printf("\n");
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "create_lexical_environment");
- out.printf("%s %s", registerName(r0).data(), registerName(r1).data());
+ out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
break;
}
case op_get_scope: {
printLocationOpAndRegisterOperand(out, exec, location, it, "get_scope", r0);
break;
}
- case op_create_arguments: {
+ case op_create_direct_arguments: {
+ int r0 = (++it)->u.operand;
+ printLocationAndOp(out, exec, location, it, "create_direct_arguments");
+ out.printf("%s", registerName(r0).data());
+ break;
+ }
+ case op_create_scoped_arguments: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
- printLocationAndOp(out, exec, location, it, "create_arguments");
- out.printf("%s %s", registerName(r0).data(), registerName(r1).data());
+ printLocationAndOp(out, exec, location, it, "create_scoped_arguments");
+ out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
break;
}
- case op_init_lazy_reg: {
+ case op_create_out_of_band_arguments: {
int r0 = (++it)->u.operand;
- printLocationOpAndRegisterOperand(out, exec, location, it, "init_lazy_reg", r0);
+ printLocationAndOp(out, exec, location, it, "create_out_of_band_arguments");
+ out.printf("%s", registerName(r0).data());
break;
}
case op_create_this: {
printLocationOpAndRegisterOperand(out, exec, location, it, "to_this", r0);
Structure* structure = (++it)->u.structure.get();
if (structure)
- out.print(" cache(struct = ", RawPointer(structure), ")");
- out.print(" ", (++it)->u.toThisStatus);
+ out.print(", cache(struct = ", RawPointer(structure), ")");
+ out.print(", ", (++it)->u.toThisStatus);
break;
}
case op_check_tdz: {
break;
}
case op_init_global_const: {
- WriteBarrier<Unknown>* registerPointer = (++it)->u.registerPointer;
+ WriteBarrier<Unknown>* variablePointer = (++it)->u.variablePointer;
int r0 = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "init_global_const");
- out.printf("g%d(%p), %s", m_globalObject->findRegisterIndex(registerPointer), registerPointer, registerName(r0).data());
+ out.printf("g%d(%p), %s", m_globalObject->findVariableIndex(variablePointer).offset(), variablePointer, registerName(r0).data());
it++;
it++;
break;
dumpValueProfiling(out, it, hasPrintedProfiling);
break;
}
- case op_get_arguments_length: {
- printUnaryOp(out, exec, location, it, "get_arguments_length");
- it++;
- break;
- }
case op_put_by_id: {
printPutByIdOp(out, exec, location, it, "put_by_id");
printPutByIdCacheStatus(out, exec, location, stubInfos);
dumpValueProfiling(out, it, hasPrintedProfiling);
break;
}
- case op_get_argument_by_val: {
- int r0 = (++it)->u.operand;
- int r1 = (++it)->u.operand;
- int r2 = (++it)->u.operand;
- int r3 = (++it)->u.operand;
- printLocationAndOp(out, exec, location, it, "get_argument_by_val");
- out.printf("%s, %s, %s, %s", registerName(r0).data(), registerName(r1).data(), registerName(r2).data(), registerName(r3).data());
- ++it;
- dumpValueProfiling(out, it, hasPrintedProfiling);
- break;
- }
case op_put_by_val: {
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int r0 = (++it)->u.operand;
int r1 = (++it)->u.operand;
int f0 = (++it)->u.operand;
- int shouldCheck = (++it)->u.operand;
printLocationAndOp(out, exec, location, it, "new_func");
- out.printf("%s, %s, f%d, %s", registerName(r0).data(), registerName(r1).data(), f0, shouldCheck ? "<Checked>" : "<Unchecked>");
+ out.printf("%s, %s, f%d", registerName(r0).data(), registerName(r1).data(), f0);
break;
}
case op_new_func_exp: {
break;
}
- case op_tear_off_arguments: {
- int r0 = (++it)->u.operand;
- int r1 = (++it)->u.operand;
- printLocationAndOp(out, exec, location, it, "tear_off_arguments");
- out.printf("%s, %s", registerName(r0).data(), registerName(r1).data());
- break;
- }
case op_ret: {
int r0 = (++it)->u.operand;
printLocationOpAndRegisterOperand(out, exec, location, it, "ret", r0);
ResolveModeAndType modeAndType = ResolveModeAndType((++it)->u.operand);
++it; // Structure
int operand = (++it)->u.operand; // Operand
- ++it; // Skip value profile.
printLocationAndOp(out, exec, location, it, "get_from_scope");
- out.printf("%s, %s, %s, %u<%s|%s>, <structure>, %d",
- registerName(r0).data(), registerName(r1).data(), idName(id0, identifier(id0)).data(),
- modeAndType.operand(), resolveModeName(modeAndType.mode()), resolveTypeName(modeAndType.type()),
- operand);
+ out.print(registerName(r0), ", ", registerName(r1));
+ if (static_cast<unsigned>(id0) == UINT_MAX)
+ out.print(", anonymous");
+ else
+ out.print(", ", idName(id0, identifier(id0)));
+ out.print(", ", modeAndType.operand(), "<", resolveModeName(modeAndType.mode()), "|", resolveTypeName(modeAndType.type()), ">, ", operand);
+ dumpValueProfiling(out, it, hasPrintedProfiling);
break;
}
case op_put_to_scope: {
++it; // Structure
int operand = (++it)->u.operand; // Operand
printLocationAndOp(out, exec, location, it, "put_to_scope");
- out.printf("%s, %s, %s, %u<%s|%s>, <structure>, %d",
- registerName(r0).data(), idName(id0, identifier(id0)).data(), registerName(r1).data(),
- modeAndType.operand(), resolveModeName(modeAndType.mode()), resolveTypeName(modeAndType.type()),
- operand);
+ out.print(registerName(r0));
+ if (static_cast<unsigned>(id0) == UINT_MAX)
+ out.print(", anonymous");
+ else
+ out.print(", ", idName(id0, identifier(id0)));
+ out.print(", ", registerName(r1), ", ", modeAndType.operand(), "<", resolveModeName(modeAndType.mode()), "|", resolveTypeName(modeAndType.type()), ">, <structure>, ", operand);
+ break;
+ }
+ case op_get_from_arguments: {
+ int r0 = (++it)->u.operand;
+ int r1 = (++it)->u.operand;
+ int offset = (++it)->u.operand;
+ printLocationAndOp(out, exec, location, it, "get_from_arguments");
+ out.printf("%s, %s, %d", registerName(r0).data(), registerName(r1).data(), offset);
+ dumpValueProfiling(out, it, hasPrintedProfiling);
+ break;
+ }
+ case op_put_to_arguments: {
+ int r0 = (++it)->u.operand;
+ int offset = (++it)->u.operand;
+ int r1 = (++it)->u.operand;
+ printLocationAndOp(out, exec, location, it, "put_to_arguments");
+ out.printf("%s, %d, %s", registerName(r0).data(), offset, registerName(r1).data());
break;
}
default:
, m_instructions(other.m_instructions)
, m_thisRegister(other.m_thisRegister)
, m_scopeRegister(other.m_scopeRegister)
- , m_argumentsRegister(other.m_argumentsRegister)
, m_lexicalEnvironmentRegister(other.m_lexicalEnvironmentRegister)
, m_isStrictMode(other.m_isStrictMode)
, m_needsActivation(other.m_needsActivation)
, m_vm(unlinkedCodeBlock->vm())
, m_thisRegister(unlinkedCodeBlock->thisRegister())
, m_scopeRegister(unlinkedCodeBlock->scopeRegister())
- , m_argumentsRegister(unlinkedCodeBlock->argumentsRegister())
, m_lexicalEnvironmentRegister(unlinkedCodeBlock->activationRegister())
, m_isStrictMode(unlinkedCodeBlock->isStrictMode())
, m_needsActivation(unlinkedCodeBlock->hasActivationRegister() && unlinkedCodeBlock->codeType() == FunctionCode)
symbolTable->prepareForTypeProfiling(locker);
}
- if (codeType() == FunctionCode && symbolTable->captureCount()) {
- m_symbolTable.set(*m_vm, m_ownerExecutable.get(), symbolTable->cloneCapturedNames(*m_vm));
+ if (codeType() == FunctionCode && symbolTable->scopeSize()) {
+ m_symbolTable.set(*m_vm, m_ownerExecutable.get(), symbolTable->cloneScopePart(*m_vm));
didCloneSymbolTable = true;
} else
m_symbolTable.set(*m_vm, m_ownerExecutable.get(), symbolTable);
}
case op_call_varargs:
case op_construct_varargs:
- case op_get_by_val:
- case op_get_argument_by_val: {
+ case op_get_by_val: {
int arrayProfileIndex = pc[opLength - 2].u.operand;
m_arrayProfiles[arrayProfileIndex] = ArrayProfile(i);
FALLTHROUGH;
}
case op_get_direct_pname:
- case op_get_by_id: {
+ case op_get_by_id:
+ case op_get_from_arguments: {
ValueProfile* profile = &m_valueProfiles[pc[opLength - 1].u.operand];
ASSERT(profile->m_bytecodeOffset == -1);
profile->m_bytecodeOffset = i;
break;
instructions[i + 0] = vm()->interpreter->getOpcode(op_init_global_const);
- instructions[i + 1] = &m_globalObject->registerAt(entry.getIndex());
+ instructions[i + 1] = &m_globalObject->variableAt(entry.varOffset().scopeOffset());
break;
}
// get_from_scope dst, scope, id, ResolveModeAndType, Structure, Operand
- const Identifier& ident = identifier(pc[3].u.operand);
ResolveModeAndType modeAndType = ResolveModeAndType(pc[4].u.operand);
if (modeAndType.type() == LocalClosureVar) {
instructions[i + 4] = ResolveModeAndType(modeAndType.mode(), ClosureVar).operand();
break;
}
+ const Identifier& ident = identifier(pc[3].u.operand);
+
ResolveOp op = JSScope::abstractResolve(m_globalObject->globalExec(), needsActivation(), scope, ident, Get, modeAndType.type());
instructions[i + 4].u.operand = ResolveModeAndType(modeAndType.mode(), op.type).operand();
case op_put_to_scope: {
// put_to_scope scope, id, value, ResolveModeAndType, Structure, Operand
- const Identifier& ident = identifier(pc[2].u.operand);
-
ResolveModeAndType modeAndType = ResolveModeAndType(pc[4].u.operand);
if (modeAndType.type() == LocalClosureVar) {
- bool isWatchableVariable = pc[5].u.operand;
- if (!isWatchableVariable) {
- instructions[i + 5].u.watchpointSet = nullptr;
- break;
- }
- StringImpl* uid = ident.impl();
- RELEASE_ASSERT(didCloneSymbolTable);
- if (ident != m_vm->propertyNames->arguments) {
+ // Only do watching if the property we're putting to is not anonymous.
+ if (static_cast<unsigned>(pc[2].u.operand) != UINT_MAX) {
+ RELEASE_ASSERT(didCloneSymbolTable);
+ const Identifier& ident = identifier(pc[2].u.operand);
+ StringImpl* uid = ident.impl();
ConcurrentJITLocker locker(m_symbolTable->m_lock);
SymbolTable::Map::iterator iter = m_symbolTable->find(locker, uid);
ASSERT(iter != m_symbolTable->end(locker));
break;
}
+ const Identifier& ident = identifier(pc[2].u.operand);
+
ResolveOp op = JSScope::abstractResolve(m_globalObject->globalExec(), needsActivation(), scope, ident, Put, modeAndType.type());
instructions[i + 4].u.operand = ResolveModeAndType(modeAndType.mode(), op.type).operand();
case ProfileTypeBytecodeHasGlobalID: {
symbolTable = m_symbolTable.get();
ConcurrentJITLocker locker(symbolTable->m_lock);
- globalVariableID = symbolTable->uniqueIDForRegister(locker, profileRegister.offset(), *vm());
- globalTypeSet = symbolTable->globalTypeSetForRegister(locker, profileRegister.offset(), *vm());
+ globalVariableID = symbolTable->uniqueIDForOffset(locker, VarOffset(profileRegister), *vm());
+ globalTypeSet = symbolTable->globalTypeSetForOffset(locker, VarOffset(profileRegister), *vm());
break;
}
case ProfileTypeBytecodeDoesNotHaveGlobalID:
}
#endif
-bool CodeBlock::isCaptured(VirtualRegister operand, InlineCallFrame* inlineCallFrame) const
-{
- if (operand.isArgument())
- return operand.toArgument() && usesArguments();
-
- if (inlineCallFrame)
- return inlineCallFrame->capturedVars.get(operand.toLocal());
-
- // The lexical environment object isn't in the captured region, but it's "captured"
- // in the sense that stores to its location can be observed indirectly.
- if (needsActivation() && operand == activationRegister())
- return true;
-
- // Ditto for the arguments object.
- if (usesArguments() && operand == argumentsRegister())
- return true;
- if (usesArguments() && operand == unmodifiedArgumentsRegister(argumentsRegister()))
- return true;
-
- // We're in global code so there are no locals to capture
- if (!symbolTable())
- return false;
-
- return symbolTable()->isCaptured(operand.offset());
-}
-
-int CodeBlock::framePointerOffsetToGetActivationRegisters(int machineCaptureStart)
-{
- // We'll be adding this to the stack pointer to get a registers pointer that looks
- // like it would have looked in the baseline engine. For example, if bytecode would
- // have put the first captured variable at offset -5 but we put it at offset -1, then
- // we'll have an offset of 4.
- int32_t offset = 0;
-
- // Compute where we put the captured variables. This offset will point the registers
- // pointer directly at the first captured var.
- offset += machineCaptureStart;
-
- // Now compute the offset needed to make the runtime see the captured variables at the
- // same offset that the bytecode would have used.
- offset -= symbolTable()->captureStart();
-
- return offset;
-}
-
-int CodeBlock::framePointerOffsetToGetActivationRegisters()
-{
- if (!JITCode::isOptimizingJIT(jitType()))
- return 0;
-#if ENABLE(DFG_JIT)
- return framePointerOffsetToGetActivationRegisters(jitCode()->dfgCommon()->machineCaptureStart);
-#else
- RELEASE_ASSERT_NOT_REACHED();
- return 0;
-#endif
-}
-
HandlerInfo* CodeBlock::handlerForBytecodeOffset(unsigned bytecodeOffset)
{
RELEASE_ASSERT(bytecodeOffset < instructions().size());
return ownerExecutable()->newReplacementCodeBlockFor(specializationKind());
}
-const SlowArgument* CodeBlock::machineSlowArguments()
-{
- if (!JITCode::isOptimizingJIT(jitType()))
- return symbolTable()->slowArguments();
-
-#if ENABLE(DFG_JIT)
- return jitCode()->dfgCommon()->slowArguments.get();
-#else // ENABLE(DFG_JIT)
- return 0;
-#endif // ENABLE(DFG_JIT)
-}
-
#if ENABLE(JIT)
CodeBlock* ProgramCodeBlock::replacement()
{
ConcurrentJITLocker locker(symbolTable()->m_lock);
SymbolTable::Map::iterator end = symbolTable()->end(locker);
for (SymbolTable::Map::iterator ptr = symbolTable()->begin(locker); ptr != end; ++ptr) {
- if (ptr->value.getIndex() == virtualRegister.offset()) {
+ if (ptr->value.varOffset() == VarOffset(virtualRegister)) {
// FIXME: This won't work from the compilation thread.
// https://bugs.webkit.org/show_bug.cgi?id=115300
return String(ptr->key);
}
}
- if (needsActivation() && virtualRegister == activationRegister())
- return ASCIILiteral("lexical environment");
if (virtualRegister == thisRegister())
return ASCIILiteral("this");
- if (usesArguments()) {
- if (virtualRegister == argumentsRegister())
- return ASCIILiteral("arguments");
- if (unmodifiedArgumentsRegister(argumentsRegister()) == virtualRegister)
- return ASCIILiteral("real arguments");
- }
if (virtualRegister.isArgument())
return String::format("arguments[%3d]", virtualRegister.toArgument());
return "";
}
-namespace {
-
-struct VerifyCapturedDef {
- void operator()(CodeBlock* codeBlock, Instruction* instruction, OpcodeID opcodeID, int operand) const
- {
- unsigned bytecodeOffset = instruction - codeBlock->instructions().begin();
-
- if (codeBlock->isConstantRegisterIndex(operand)) {
- codeBlock->beginValidationDidFail();
- dataLog(" At bc#", bytecodeOffset, " encountered a definition of a constant.\n");
- codeBlock->endValidationDidFail();
- return;
- }
-
- switch (opcodeID) {
- case op_enter:
- case op_init_lazy_reg:
- case op_create_arguments:
- return;
- default:
- break;
- }
-
- VirtualRegister virtualReg(operand);
- if (!virtualReg.isLocal())
- return;
-
- if (codeBlock->usesArguments() && virtualReg == codeBlock->argumentsRegister())
- return;
- if (codeBlock->usesArguments() && virtualReg == unmodifiedArgumentsRegister(codeBlock->argumentsRegister()))
- return;
-
- if (codeBlock->captureCount() && codeBlock->symbolTable()->isCaptured(operand)) {
- codeBlock->beginValidationDidFail();
- dataLog(" At bc#", bytecodeOffset, " encountered invalid assignment to captured variable ", virtualReg, ".\n");
- codeBlock->endValidationDidFail();
- return;
- }
-
- return;
- }
-};
-
-} // anonymous namespace
-
void CodeBlock::validate()
{
BytecodeLivenessAnalysis liveness(this); // Compute directly from scratch so it doesn't effect CodeBlock footprint.
}
for (unsigned i = m_numCalleeRegisters; i--;) {
- bool isCaptured = false;
VirtualRegister reg = virtualRegisterForLocal(i);
- if (captureCount())
- isCaptured = reg.offset() <= captureStart() && reg.offset() > captureEnd();
-
- if (isCaptured) {
- if (!liveAtHead.get(i)) {
- beginValidationDidFail();
- dataLog(" Variable loc", i, " is expected to be live because it is captured, but it isn't live.\n");
- dataLog(" Result: ", liveAtHead, "\n");
- endValidationDidFail();
- }
- } else {
- if (liveAtHead.get(i)) {
- beginValidationDidFail();
- dataLog(" Variable loc", i, " is expected to be dead.\n");
- dataLog(" Result: ", liveAtHead, "\n");
- endValidationDidFail();
- }
+ if (liveAtHead.get(i)) {
+ beginValidationDidFail();
+ dataLog(" Variable ", reg, " is expected to be dead.\n");
+ dataLog(" Result: ", liveAtHead, "\n");
+ endValidationDidFail();
}
}
-
- for (unsigned bytecodeOffset = 0; bytecodeOffset < instructions().size();) {
- Instruction* currentInstruction = instructions().begin() + bytecodeOffset;
- OpcodeID opcodeID = m_vm->interpreter->getOpcodeID(currentInstruction->u.opcode);
-
- VerifyCapturedDef verifyCapturedDef;
- computeDefsForBytecodeOffset(this, bytecodeOffset, verifyCapturedDef);
-
- bytecodeOffset += opcodeLength(opcodeID);
- }
}
void CodeBlock::beginValidationDidFail()
class RepatchBuffer;
class TypeLocation;
-inline VirtualRegister unmodifiedArgumentsRegister(VirtualRegister argumentsRegister) { return VirtualRegister(argumentsRegister.offset() + 1); }
-
enum ReoptimizationMode { DontCountReoptimization, CountReoptimization };
class CodeBlock : public ThreadSafeRefCounted<CodeBlock>, public UnconditionalFinalizer, public WeakReferenceHarvester {
unsigned instructionCount() const { return m_instructions.size(); }
- int argumentIndexAfterCapture(size_t argument);
-
- bool hasSlowArguments();
- const SlowArgument* machineSlowArguments();
-
// Exactly equivalent to codeBlock->ownerExecutable()->installCode(codeBlock);
void install();
return m_scopeRegister;
}
- void setArgumentsRegister(VirtualRegister argumentsRegister)
- {
- ASSERT(argumentsRegister.isValid());
- m_argumentsRegister = argumentsRegister;
- ASSERT(usesArguments());
- }
- VirtualRegister argumentsRegister() const
- {
- ASSERT(usesArguments());
- return m_argumentsRegister;
- }
- VirtualRegister uncheckedArgumentsRegister()
- {
- if (!usesArguments())
- return VirtualRegister();
- return argumentsRegister();
- }
-
void setActivationRegister(VirtualRegister activationRegister)
{
m_lexicalEnvironmentRegister = activationRegister;
return m_lexicalEnvironmentRegister;
}
- bool usesArguments() const { return m_argumentsRegister.isValid(); }
-
bool needsActivation() const
{
ASSERT(m_lexicalEnvironmentRegister.isValid() == m_needsActivation);
return m_needsActivation;
}
- unsigned captureCount() const
- {
- if (!symbolTable())
- return 0;
- return symbolTable()->captureCount();
- }
-
- int captureStart() const
- {
- if (!symbolTable())
- return 0;
- return symbolTable()->captureStart();
- }
-
- int captureEnd() const
- {
- if (!symbolTable())
- return 0;
- return symbolTable()->captureEnd();
- }
-
- bool isCaptured(VirtualRegister operand, InlineCallFrame* = 0) const;
-
- int framePointerOffsetToGetActivationRegisters(int machineCaptureStart);
- int framePointerOffsetToGetActivationRegisters();
-
CodeType codeType() const { return m_unlinkedCode->codeType(); }
PutPropertySlot::Context putByIdContext() const
{
WriteBarrier<SymbolTable> m_symbolTable;
VirtualRegister m_thisRegister;
VirtualRegister m_scopeRegister;
- VirtualRegister m_argumentsRegister;
VirtualRegister m_lexicalEnvironmentRegister;
bool m_isStrictMode;
return baselineCodeBlock;
}
-inline int CodeBlock::argumentIndexAfterCapture(size_t argument)
-{
- if (argument >= static_cast<size_t>(symbolTable()->parameterCount()))
- return CallFrame::argumentOffset(argument);
-
- const SlowArgument* slowArguments = symbolTable()->slowArguments();
- if (!slowArguments || slowArguments[argument].status == SlowArgument::Normal)
- return CallFrame::argumentOffset(argument);
-
- ASSERT(slowArguments[argument].status == SlowArgument::Captured);
- return slowArguments[argument].index;
-}
-
-inline bool CodeBlock::hasSlowArguments()
-{
- return !!symbolTable()->slowArguments();
-}
-
inline Register& ExecState::r(int index)
{
CodeBlock* codeBlock = this->codeBlock();
return uncheckedR(reg.offset());
}
-inline JSValue ExecState::argumentAfterCapture(size_t argument)
-{
- if (argument >= argumentCount())
- return jsUndefined();
-
- if (!codeBlock())
- return this[argumentOffset(argument)].jsValue();
-
- return this[codeBlock()->argumentIndexAfterCapture(argument)].jsValue();
-}
-
inline void CodeBlockSet::mark(void* candidateCodeBlock)
{
// We have to check for 0 and -1 because those are used by the HashMap as markers.
WriteBarrier<ScriptExecutable> executable;
ValueRecovery calleeRecovery;
CodeOrigin caller;
- BitVector capturedVars; // Indexed by the machine call frame's variable numbering.
signed stackOffset : 28;
unsigned kind : 3; // real type is Kind
bool isClosureCall : 1; // If false then we know that callee/scope are constants and the DFG won't treat them as variables, i.e. they have to be recovered manually.
- VirtualRegister argumentsRegister; // This is only set if the code uses arguments. The unmodified arguments register follows the unmodifiedArgumentsRegister() convention (see CodeBlock.h).
VirtualRegister argumentCountRegister; // Only set when we inline a varargs call.
// There is really no good notion of a "default" set of values for
/*
- * Copyright (C) 2011 Apple Inc. All rights reserved.
+ * Copyright (C) 2011, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
// Special data formats used only for OSR.
DataFormatDead = 33, // Implies jsUndefined().
- DataFormatArguments = 34 // Implies that the arguments object must be reified.
};
inline const char* dataFormatToString(DataFormat dataFormat)
return "JSBoolean";
case DataFormatDead:
return "Dead";
- case DataFormatArguments:
- return "Arguments";
default:
RELEASE_ASSERT_NOT_REACHED();
return "Unknown";
/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
class FullBytecodeLiveness {
public:
- FullBytecodeLiveness() : m_codeBlock(0) { }
-
- // We say "out" to refer to the bitvector that contains raw results for a bytecode
- // instruction.
- const FastBitVector& getOut(unsigned bytecodeIndex) const
+ const FastBitVector& getLiveness(unsigned bytecodeIndex) const
{
BytecodeToBitmapMap::const_iterator iter = m_map.find(bytecodeIndex);
ASSERT(iter != m_map.end());
bool operandIsLive(int operand, unsigned bytecodeIndex) const
{
- return operandIsAlwaysLive(m_codeBlock, operand) || operandThatIsNotAlwaysLiveIsLive(m_codeBlock, getOut(bytecodeIndex), operand);
- }
-
- FastBitVector getLiveness(unsigned bytecodeIndex) const
- {
- return getLivenessInfo(m_codeBlock, getOut(bytecodeIndex));
+ return operandIsAlwaysLive(operand) || operandThatIsNotAlwaysLiveIsLive(getLiveness(bytecodeIndex), operand);
}
private:
friend class BytecodeLivenessAnalysis;
- CodeBlock* m_codeBlock;
BytecodeToBitmapMap m_map;
};
/*
- * Copyright (C) 2008, 2012, 2013, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2012-2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
Instruction(ArrayProfile* profile) { u.arrayProfile = profile; }
Instruction(ArrayAllocationProfile* profile) { u.arrayAllocationProfile = profile; }
Instruction(ObjectAllocationProfile* profile) { u.objectAllocationProfile = profile; }
- Instruction(WriteBarrier<Unknown>* registerPointer) { u.registerPointer = registerPointer; }
+ Instruction(WriteBarrier<Unknown>* variablePointer) { u.variablePointer = variablePointer; }
Instruction(Special::Pointer pointer) { u.specialPointer = pointer; }
Instruction(StringImpl* uid) { u.uid = uid; }
Instruction(bool* predicatePointer) { u.predicatePointer = predicatePointer; }
WriteBarrierBase<Structure> structure;
WriteBarrierBase<StructureChain> structureChain;
WriteBarrierBase<JSCell> jsCell;
- WriteBarrier<Unknown>* registerPointer;
+ WriteBarrier<Unknown>* variablePointer;
Special::Pointer specialPointer;
PropertySlot::GetValueFunc getterFunc;
LLIntCallLinkInfo* callLinkInfo;
return virtualRegisterForArgument(index).offset();
return virtualRegisterForLocal(index - numberOfArguments()).offset();
}
+ VirtualRegister virtualRegisterForIndex(size_t index) const
+ {
+ return VirtualRegister(operandForIndex(index));
+ }
size_t indexForOperand(int operand) const
{
if (operandIsArgument(operand))
/*
- * Copyright (C) 2011, 2012, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2011-2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include "config.h"
#include "SpeculatedType.h"
-#include "Arguments.h"
+#include "DirectArguments.h"
#include "JSArray.h"
#include "JSFunction.h"
#include "JSCInlines.h"
+#include "ScopedArguments.h"
#include "StringObject.h"
#include "ValueProfile.h"
#include <wtf/BoundsCheckedPointer.h>
else
isTop = false;
- if (value & SpecArguments)
- myOut.print("Arguments");
+ if (value & SpecDirectArguments)
+ myOut.print("Directarguments");
+ else
+ isTop = false;
+
+ if (value & SpecScopedArguments)
+ myOut.print("Scopedarguments");
else
isTop = false;
return "<Float32array>";
if (isFloat64ArraySpeculation(prediction))
return "<Float64array>";
- if (isArgumentsSpeculation(prediction))
- return "<Arguments>";
+ if (isDirectArgumentsSpeculation(prediction))
+ return "<DirectArguments>";
+ if (isScopedArgumentsSpeculation(prediction))
+ return "<ScopedArguments>";
if (isStringObjectSpeculation(prediction))
return "<StringObject>";
if (isStringOrStringObjectSpeculation(prediction))
if (classInfo == JSArray::info())
return SpecArray;
- if (classInfo == Arguments::info())
- return SpecArguments;
+ if (classInfo == DirectArguments::info())
+ return SpecDirectArguments;
+
+ if (classInfo == ScopedArguments::info())
+ return SpecScopedArguments;
if (classInfo == StringObject::info())
return SpecStringObject;
/*
- * Copyright (C) 2011-2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2011-2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
static const SpeculatedType SpecFloat32Array = 0x00000400; // It's definitely an Uint16Array or one of its subclasses.
static const SpeculatedType SpecFloat64Array = 0x00000800; // It's definitely an Uint16Array or one of its subclasses.
static const SpeculatedType SpecTypedArrayView = SpecInt8Array | SpecInt16Array | SpecInt32Array | SpecUint8Array | SpecUint8ClampedArray | SpecUint16Array | SpecUint32Array | SpecFloat32Array | SpecFloat64Array;
-static const SpeculatedType SpecArguments = 0x00001000; // It's definitely an Arguments object.
-static const SpeculatedType SpecStringObject = 0x00002000; // It's definitely a StringObject.
+static const SpeculatedType SpecDirectArguments = 0x00001000; // It's definitely a DirectArguments object.
+static const SpeculatedType SpecScopedArguments = 0x00002000; // It's definitely a ScopedArguments object.
+static const SpeculatedType SpecStringObject = 0x00004000; // It's definitely a StringObject.
static const SpeculatedType SpecObjectOther = 0x00008000; // It's definitely an object but not JSFinalObject, JSArray, or JSFunction.
static const SpeculatedType SpecObject = 0x0000ffff; // Bitmask used for testing for any kind of object prediction.
static const SpeculatedType SpecStringIdent = 0x00010000; // It's definitely a JSString, and it's an identifier.
return value == SpecFloat64Array;
}
-inline bool isArgumentsSpeculation(SpeculatedType value)
+inline bool isDirectArgumentsSpeculation(SpeculatedType value)
{
- return !!value && (value & SpecArguments) == value;
+ return value == SpecDirectArguments;
+}
+
+inline bool isScopedArgumentsSpeculation(SpeculatedType value)
+{
+ return value == SpecScopedArguments;
}
inline bool isActionableIntMutableArraySpeculation(SpeculatedType value)
inline bool isActionableMutableArraySpeculation(SpeculatedType value)
{
return isArraySpeculation(value)
- || isArgumentsSpeculation(value)
|| isActionableTypedMutableArraySpeculation(value);
}
inline bool isActionableArraySpeculation(SpeculatedType value)
{
return isStringSpeculation(value)
+ || isDirectArgumentsSpeculation(value)
+ || isScopedArgumentsSpeculation(value)
|| isActionableMutableArraySpeculation(value);
}
/*
- * Copyright (C) 2012, 2013 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2012, 2013, 2015 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
, m_numCalleeRegisters(0)
, m_numParameters(0)
, m_vm(vm)
- , m_argumentsRegister(VirtualRegister())
, m_globalObjectRegister(VirtualRegister())
, m_needsFullScopeChain(info.needsActivation())
, m_usesEval(info.usesEval())
/*
- * Copyright (C) 2012, 2013, 2014 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2012-2015 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
void setScopeRegister(VirtualRegister scopeRegister) { m_scopeRegister = scopeRegister; }
void setActivationRegister(VirtualRegister activationRegister) { m_lexicalEnvironmentRegister = activationRegister; }
- void setArgumentsRegister(VirtualRegister argumentsRegister) { m_argumentsRegister = argumentsRegister; }
- bool usesArguments() const { return m_argumentsRegister.isValid(); }
- VirtualRegister argumentsRegister() const { return m_argumentsRegister; }
-
-
bool usesGlobalObject() const { return m_globalObjectRegister.isValid(); }
void setGlobalObjectRegister(VirtualRegister globalObjectRegister) { m_globalObjectRegister = globalObjectRegister; }
VirtualRegister globalObjectRegister() const { return m_globalObjectRegister; }
VM* m_vm;
VirtualRegister m_thisRegister;
- VirtualRegister m_argumentsRegister;
VirtualRegister m_scopeRegister;
VirtualRegister m_lexicalEnvironmentRegister;
VirtualRegister m_globalObjectRegister;
case BooleanDisplacedInJSStack:
out.print("*bool(", virtualRegister(), ")");
return;
- case ArgumentsThatWereNotCreated:
- out.printf("arguments");
+ case DirectArgumentsThatWereNotCreated:
+ out.print("DirectArguments(", nodeID(), ")");
+ return;
+ case ClonedArgumentsThatWereNotCreated:
+ out.print("ClonedArguments(", nodeID(), ")");
return;
case Constant:
out.print("[", inContext(constant(), context), "]");
/*
- * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2011, 2013, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#ifndef ValueRecovery_h
#define ValueRecovery_h
+#include "DFGMinifiedID.h"
#include "DataFormat.h"
#if ENABLE(JIT)
#include "GPRInfo.h"
namespace JSC {
struct DumpContext;
+struct InlineCallFrame;
// Describes how to recover a given bytecode virtual register at a given
// code point.
DoubleDisplacedInJSStack,
CellDisplacedInJSStack,
BooleanDisplacedInJSStack,
- // It's an Arguments object.
- ArgumentsThatWereNotCreated,
+ // It's an Arguments object. This arises because of the simplified arguments simplification done by the DFG.
+ DirectArgumentsThatWereNotCreated,
+ ClonedArgumentsThatWereNotCreated,
// It's a constant.
Constant,
// Don't know how to recover it.
return result;
}
- static ValueRecovery argumentsThatWereNotCreated()
+ static ValueRecovery directArgumentsThatWereNotCreated(DFG::MinifiedID id)
{
ValueRecovery result;
- result.m_technique = ArgumentsThatWereNotCreated;
+ result.m_technique = DirectArgumentsThatWereNotCreated;
+ result.m_source.nodeID = id.bits();
+ return result;
+ }
+
+ static ValueRecovery outOfBandArgumentsThatWereNotCreated(DFG::MinifiedID id)
+ {
+ ValueRecovery result;
+ result.m_technique = ClonedArgumentsThatWereNotCreated;
+ result.m_source.nodeID = id.bits();
return result;
}
return JSValue::decode(m_source.constant);
}
+ DFG::MinifiedID nodeID() const
+ {
+ ASSERT(m_technique == DirectArgumentsThatWereNotCreated || m_technique == ClonedArgumentsThatWereNotCreated);
+ return DFG::MinifiedID::fromBits(m_source.nodeID);
+ }
+
JSValue recover(ExecState*) const;
#if ENABLE(JIT)
#endif
int virtualReg;
EncodedJSValue constant;
+ uintptr_t nodeID;
} m_source;
};
int offset() const { return m_virtualRegister; }
int offsetInBytes() const { return m_virtualRegister * sizeof(Register); }
- bool operator==(const VirtualRegister other) const { return m_virtualRegister == other.m_virtualRegister; }
- bool operator!=(const VirtualRegister other) const { return m_virtualRegister != other.m_virtualRegister; }
+ bool operator==(VirtualRegister other) const { return m_virtualRegister == other.m_virtualRegister; }
+ bool operator!=(VirtualRegister other) const { return m_virtualRegister != other.m_virtualRegister; }
+ bool operator<(VirtualRegister other) const { return m_virtualRegister < other.m_virtualRegister; }
+ bool operator>(VirtualRegister other) const { return m_virtualRegister > other.m_virtualRegister; }
+ bool operator<=(VirtualRegister other) const { return m_virtualRegister <= other.m_virtualRegister; }
+ bool operator>=(VirtualRegister other) const { return m_virtualRegister >= other.m_virtualRegister; }
VirtualRegister operator+(int value) const
{
SamplingRegion samplingRegion("Bytecode Generation");
m_codeBlock->setThisRegister(m_thisRegister.virtualRegister());
+
+ // If we have declared a variable named "arguments" and we are using arguments then we should
+ // perform that assignment now.
+ if (m_needToInitializeArguments)
+ initializeVariable(variable(propertyNames().arguments), m_argumentsRegister);
+
+ {
+ RefPtr<RegisterID> temp = newTemporary();
+ for (FunctionBodyNode* functionBody : m_functionsToInitialize) {
+ emitNewFunction(temp.get(), functionBody);
+ initializeVariable(variable(functionBody->ident()), temp.get());
+ }
+ }
+
for (size_t i = 0; i < m_deconstructedParameters.size(); i++) {
auto& entry = m_deconstructedParameters[i];
entry.second->bindValue(*this, entry.first.get());
m_codeBlock->shrinkToFit();
if (m_codeBlock->symbolTable() && !m_codeBlock->vm()->typeProfiler())
- m_codeBlock->setSymbolTable(m_codeBlock->symbolTable()->cloneCapturedNames(*m_codeBlock->vm()));
+ m_codeBlock->setSymbolTable(m_codeBlock->symbolTable()->cloneScopePart(*m_codeBlock->vm()));
if (m_expressionTooDeep)
return ParserError(ParserError::OutOfMemory);
return ParserError(ParserError::ErrorNone);
}
-RegisterID* BytecodeGenerator::addVar(
- const Identifier& ident, ConstantMode constantMode, WatchMode watchMode)
-{
- ASSERT(static_cast<size_t>(m_codeBlock->m_numVars) == m_calleeRegisters.size());
-
- ConcurrentJITLocker locker(symbolTable().m_lock);
- int index = virtualRegisterForLocal(m_calleeRegisters.size()).offset();
- SymbolTableEntry newEntry(index, constantMode == IsConstant ? ReadOnly : 0);
- SymbolTable::Map::AddResult result = symbolTable().add(locker, ident.impl(), newEntry);
-
- if (!result.isNewEntry)
- return ®isterFor(result.iterator->value.getIndex());
-
- if (watchMode == IsWatchable) {
- while (m_watchableVariables.size() < static_cast<size_t>(m_codeBlock->m_numVars))
- m_watchableVariables.append(Identifier());
- m_watchableVariables.append(ident);
- }
-
- RegisterID* regID = addVar();
- ASSERT(watchMode == NotWatchable || static_cast<size_t>(m_codeBlock->m_numVars) == m_watchableVariables.size());
-
- return regID;
-}
-
BytecodeGenerator::BytecodeGenerator(VM& vm, ProgramNode* programNode, UnlinkedProgramCodeBlock* codeBlock, DebuggerMode debuggerMode, ProfilerMode profilerMode)
: m_shouldEmitDebugHooks(Options::forceDebuggerBytecodeGeneration() || debuggerMode == DebuggerOn)
, m_shouldEmitProfileHooks(Options::forceProfilerBytecodeGeneration() || profilerMode == ProfilerOn)
{
if (m_isBuiltinFunction)
m_shouldEmitDebugHooks = false;
-
+
m_symbolTable->setUsesNonStrictEval(codeBlock->usesEval() && !codeBlock->isStrictMode());
Vector<Identifier> boundParameterProperties;
FunctionParameters& parameters = *functionNode->parameters();
pattern->collectBoundIdentifiers(boundParameterProperties);
continue;
}
- m_symbolTable->setParameterCountIncludingThis(functionNode->parameters()->size() + 1);
+
+ bool shouldCaptureSomeOfTheThings = m_shouldEmitDebugHooks || m_codeBlock->needsFullScopeChain();
+ bool shouldCaptureAllOfTheThings = m_shouldEmitDebugHooks || codeBlock->usesEval();
+ bool needsArguments = functionNode->usesArguments() || codeBlock->usesEval();
+
+ auto captures = [&] (StringImpl* uid) -> bool {
+ if (shouldCaptureAllOfTheThings)
+ return true;
+ if (!shouldCaptureSomeOfTheThings)
+ return false;
+ if (needsArguments && uid == propertyNames().arguments.impl()) {
+ // Actually, we only need to capture the arguments object when we "need full activation"
+ // because of name scopes. But historically we did it this way, so for now we just preserve
+ // the old behavior.
+ // FIXME: https://bugs.webkit.org/show_bug.cgi?id=143072
+ return true;
+ }
+ return functionNode->captures(uid);
+ };
+ auto varKind = [&] (StringImpl* uid) -> VarKind {
+ return captures(uid) ? VarKind::Scope : VarKind::Stack;
+ };
emitOpcode(op_enter);
allocateAndEmitScope();
+ m_calleeRegister.setIndex(JSStack::Callee);
+
if (functionNameIsInScope(functionNode->ident(), functionNode->functionMode())
&& functionNameScopeIsDynamic(codeBlock->usesEval(), codeBlock->isStrictMode())) {
// When we do this, we should make our local scope stack know about the function name symbol
// Also, we could create the scope once per JSFunction instance that needs it. That wouldn't
// be any more correct, but it would be more performant.
// FIXME: https://bugs.webkit.org/show_bug.cgi?id=141887
- RegisterID calleeRegister;
- calleeRegister.setIndex(JSStack::Callee);
- emitPushFunctionNameScope(m_scopeRegister, functionNode->ident(), &calleeRegister, ReadOnly | DontDelete);
+ emitPushFunctionNameScope(m_scopeRegister, functionNode->ident(), &m_calleeRegister, ReadOnly | DontDelete);
}
- if (m_codeBlock->needsFullScopeChain() || m_shouldEmitDebugHooks) {
+ if (shouldCaptureSomeOfTheThings) {
m_lexicalEnvironmentRegister = addVar();
m_codeBlock->setActivationRegister(m_lexicalEnvironmentRegister->virtualRegister());
emitOpcode(op_create_lexical_environment);
instructions().append(m_lexicalEnvironmentRegister->index());
instructions().append(scopeRegister()->index());
+ emitOpcode(op_mov);
+ instructions().append(scopeRegister()->index());
+ instructions().append(m_lexicalEnvironmentRegister->index());
}
- RegisterID* localArgumentsRegister = nullptr;
- RegisterID* scratch = addVar();
- m_symbolTable->setCaptureStart(virtualRegisterForLocal(m_codeBlock->m_numVars).offset());
-
- if (functionNode->usesArguments() || codeBlock->usesEval()) { // May reify arguments object.
- RegisterID* unmodifiedArgumentsRegister = addVar(); // Anonymous, so it can't be modified by user code.
- RegisterID* argumentsRegister = addVar(propertyNames().arguments, IsVariable, NotWatchable); // Can be changed by assigning to 'arguments'.
-
- localArgumentsRegister = argumentsRegister;
-
- // We can save a little space by hard-coding the knowledge that the two
- // 'arguments' values are stored in consecutive registers, and storing
- // only the index of the assignable one.
- codeBlock->setArgumentsRegister(argumentsRegister->virtualRegister());
- ASSERT_UNUSED(unmodifiedArgumentsRegister, unmodifiedArgumentsRegister->virtualRegister() == JSC::unmodifiedArgumentsRegister(codeBlock->argumentsRegister()));
-
- emitInitLazyRegister(argumentsRegister);
- emitInitLazyRegister(unmodifiedArgumentsRegister);
-
- if (shouldCreateArgumentsEagerly() || shouldTearOffArgumentsEagerly()) {
- emitOpcode(op_create_arguments);
- instructions().append(argumentsRegister->index());
- instructions().append(m_codeBlock->activationRegister().offset());
-
- if (m_codeBlock->hasActivationRegister()) {
- RegisterID* argumentsRegister = ®isterFor(m_codeBlock->argumentsRegister().offset());
- initializeCapturedVariable(argumentsRegister, propertyNames().arguments, argumentsRegister);
- RegisterID* uncheckedArgumentsRegister = ®isterFor(JSC::unmodifiedArgumentsRegister(m_codeBlock->argumentsRegister()).offset());
- initializeCapturedVariable(uncheckedArgumentsRegister, propertyNames().arguments, uncheckedArgumentsRegister);
- if (functionNode->modifiesArguments()) {
- emitOpcode(op_mov);
- instructions().append(argumentsRegister->index());
- instructions().append(addConstantValue(jsUndefined())->index());
- emitOpcode(op_mov);
- instructions().append(uncheckedArgumentsRegister->index());
- instructions().append(addConstantValue(jsUndefined())->index());
- localArgumentsRegister = nullptr;
- }
- }
- }
+
+ // Make sure the code block knows about all of our parameters, and make sure that parameters
+ // needing deconstruction are noted.
+ m_parameters.grow(parameters.size() + 1); // reserve space for "this"
+ m_thisRegister.setIndex(initializeNextParameter()->index()); // this
+ for (unsigned i = 0; i < parameters.size(); ++i) {
+ auto pattern = parameters.at(i);
+ RegisterID* reg = initializeNextParameter();
+ if (!pattern->isBindingNode())
+ m_deconstructedParameters.append(std::make_pair(reg, pattern));
}
-
- bool shouldCaptureAllTheThings = m_shouldEmitDebugHooks || codeBlock->usesEval();
-
+
+ // Figure out some interesting facts about our arguments.
bool capturesAnyArgumentByName = false;
- Vector<RegisterID*, 0, UnsafeVectorOverflow> capturedArguments;
- if (functionNode->hasCapturedVariables() || shouldCaptureAllTheThings) {
+ if (functionNode->hasCapturedVariables()) {
FunctionParameters& parameters = *functionNode->parameters();
- capturedArguments.resize(parameters.size());
for (size_t i = 0; i < parameters.size(); ++i) {
- capturedArguments[i] = 0;
auto pattern = parameters.at(i);
if (!pattern->isBindingNode())
continue;
const Identifier& ident = static_cast<const BindingNode*>(pattern)->boundProperty();
- if (!functionNode->captures(ident) && !shouldCaptureAllTheThings)
- continue;
- capturesAnyArgumentByName = true;
- capturedArguments[i] = addVar(ident, IsVariable, IsWatchable);
+ capturesAnyArgumentByName |= captures(ident.impl());
}
}
- if (capturesAnyArgumentByName && !shouldTearOffArgumentsEagerly()) {
- size_t parameterCount = m_symbolTable->parameterCount();
- auto slowArguments = std::make_unique<SlowArgument[]>(parameterCount);
- for (size_t i = 0; i < parameterCount; ++i) {
- if (!capturedArguments[i]) {
- ASSERT(slowArguments[i].status == SlowArgument::Normal);
- slowArguments[i].index = CallFrame::argumentOffset(i);
- continue;
- }
- slowArguments[i].status = SlowArgument::Captured;
- slowArguments[i].index = capturedArguments[i]->index();
- }
- m_symbolTable->setSlowArguments(WTF::move(slowArguments));
+ if (capturesAnyArgumentByName)
+ ASSERT(m_lexicalEnvironmentRegister);
+
+ // Need to know what our functions are called. Parameters have some goofy behaviors when it
+ // comes to functions of the same name.
+ for (FunctionBodyNode* function : functionNode->functionStack())
+ m_functions.add(function->ident().impl());
+
+ if (needsArguments) {
+ // Create the arguments object now. We may put the arguments object into the activation if
+ // it is captured. Either way, we create two arguments object variables: one is our
+ // private variable that is immutable, and another that is the user-visible variable. The
+ // immutable one is only used here, or during formal parameter resolutions if we opt for
+ // DirectArguments.
+
+ m_argumentsRegister = addVar();
+ m_argumentsRegister->ref();
}
-
- RegisterID* calleeRegister = resolveCallee(functionNode); // May push to the scope chain and/or add a captured var.
-
- const DeclarationStacks::FunctionStack& functionStack = functionNode->functionStack();
- const DeclarationStacks::VarStack& varStack = functionNode->varStack();
- IdentifierSet test;
-
- // Captured variables and functions go first so that activations don't have
- // to step over the non-captured locals to mark them.
- if (functionNode->hasCapturedVariables() || shouldCaptureAllTheThings) {
- for (size_t i = 0; i < boundParameterProperties.size(); i++) {
- const Identifier& ident = boundParameterProperties[i];
- if (functionNode->captures(ident) || shouldCaptureAllTheThings)
- addVar(ident, IsVariable, IsWatchable);
- }
- for (size_t i = 0; i < functionStack.size(); ++i) {
- FunctionBodyNode* function = functionStack[i];
- const Identifier& ident = function->ident();
- if (functionNode->captures(ident) || shouldCaptureAllTheThings) {
- m_functions.add(ident.impl());
- emitNewFunction(scratch, function);
- initializeCapturedVariable(addVar(ident, IsVariable, IsWatchable), ident, scratch);
+
+ if (needsArguments && !codeBlock->isStrictMode()) {
+ // If we captured any formal parameter by name, then we use ScopedArguments. Otherwise we
+ // use DirectArguments. With ScopedArguments, we lift all of our arguments into the
+ // activation.
+
+ if (capturesAnyArgumentByName) {
+ m_symbolTable->setArgumentsLength(vm, parameters.size());
+
+ // For each parameter, we have two possibilities:
+ // Either it's a binding node with no function overlap, in which case it gets a name
+ // in the symbol table - or it just gets space reserved in the symbol table. Either
+ // way we lift the value into the scope.
+ for (unsigned i = 0; i < parameters.size(); ++i) {
+ ScopeOffset offset = m_symbolTable->takeNextScopeOffset();
+ m_symbolTable->setArgumentOffset(vm, i, offset);
+ if (StringImpl* name = visibleNameForParameter(parameters.at(i))) {
+ VarOffset varOffset(offset);
+ SymbolTableEntry entry(varOffset);
+ // Stores to these variables via the ScopedArguments object will not do
+ // notifyWrite(), since that would be cumbersome. Also, watching formal
+ // parameters when "arguments" is in play is unlikely to be super profitable.
+ // So, we just disable it.
+ entry.disableWatching();
+ m_symbolTable->set(name, entry);
+ }
+ emitOpcode(op_put_to_scope);
+ instructions().append(m_lexicalEnvironmentRegister->index());
+ instructions().append(UINT_MAX);
+ instructions().append(virtualRegisterForArgument(1 + i).offset());
+ instructions().append(ResolveModeAndType(ThrowIfNotFound, LocalClosureVar).operand());
+ instructions().append(0);
+ instructions().append(offset.offset());
}
+
+ // This creates a scoped arguments object and copies the overflow arguments into the
+ // scope. It's the equivalent of calling ScopedArguments::createByCopying().
+ emitOpcode(op_create_scoped_arguments);
+ instructions().append(m_argumentsRegister->index());
+ instructions().append(m_lexicalEnvironmentRegister->index());
+ } else {
+ // We're going
git://git.webkit.org / WebKit-https.git / commitdiff