diff options
| author | Michael Gottesman <mgottesman@apple.com> | 2013-07-07 01:52:55 +0000 |
|---|---|---|
| committer | Michael Gottesman <mgottesman@apple.com> | 2013-07-07 01:52:55 +0000 |
| commit | a72630d453b548d3c12d4e9ef54745943bc2b1cc (patch) | |
| tree | 9864ccbdc71dc40bad2aa99c6b6a96f12c8cbdc8 /llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp | |
| parent | 6d715e8699ac9888168e26ff8cd8b81fd837d28a (diff) | |
| download | bcm5719-llvm-a72630d453b548d3c12d4e9ef54745943bc2b1cc.tar.gz bcm5719-llvm-a72630d453b548d3c12d4e9ef54745943bc2b1cc.zip | |
[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.
llvm-svn: 185769
Diffstat (limited to 'llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp')
| -rw-r--r-- | llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp index 03e12d4fd76..415e76355db 100644 --- a/llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp +++ b/llvm/lib/Transforms/ObjCARC/ObjCARCUtil.cpp @@ -112,6 +112,8 @@ InstructionClass llvm::objcarc::GetFunctionClass(const Function *F) { .Case("objc_retain_autorelease", IC_FusedRetainAutorelease) .Case("objc_retainAutorelease", IC_FusedRetainAutorelease) .Case("objc_retainAutoreleaseReturnValue",IC_FusedRetainAutoreleaseRV) + .Case("objc_sync_enter", IC_User) + .Case("objc_sync_exit", IC_User) .Default(IC_CallOrUser); // Argument is i8** |
