Use LLVM as a backend for the fourth-tier DFG JIT (a.k.a. the FTL JIT)
https://bugs.webkit.org/show_bug.cgi?id=112840
Rubber stamped by Geoffrey Garen.
Source/JavaScriptCore:
* Configurations/FeatureDefines.xcconfig:
Source/WebCore:
It already has a lot of tests.
* Configurations/FeatureDefines.xcconfig:
Source/WebKit/mac:
* Configurations/FeatureDefines.xcconfig:
Source/WebKit2:
* Configurations/FeatureDefines.xcconfig:
Tools:
* Scripts/build-jsc: Enable it on Mac.
* Scripts/build-webkit: Enable it on Mac.
* Scripts/export-llvm-build: Make it slightly easier to export the build if you've done a "make install".
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@167958
268f45cc-cd09-0410-ab3c-
d52691b4dbfc