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[objc-arc] Teach the ARC optimizer that objc_sync_enter/objc_sync_exit do not modify...
authorMichael Gottesman <mgottesman@apple.com>
Sun, 7 Jul 2013 01:52:55 +0000 (01:52 +0000)
committerMichael Gottesman <mgottesman@apple.com>
Sun, 7 Jul 2013 01:52:55 +0000 (01:52 +0000)
commit0a80c1240284c764c0f9cd043a2a18ff4152a203
tree0180e95a679e83f462135f92bcd25675bb95d9d0tree | snapshot
parent09f8ca3986cbe89d897765926462476f345a25d0commit | diff
[objc-arc] Teach the ARC optimizer that objc_sync_enter/objc_sync_exit do not modify the ref count of an objc object and additionally are inert for modref purposes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185769 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.cpp diff | blob | history
lib/Transforms/ObjCARC/ObjCARCUtil.cpp diff | blob | history
test/Transforms/ObjCARC/basic.ll diff | blob | history
test/Transforms/ObjCARC/gvn.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors