wangtao
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[objc-arc] Added an option to arc-annotations for turning off CheckForCFGHazard. 

llvm-svn: 179717
This commit is contained in:
Michael Gottesman 2013-04-17 20:48:01 +00:00
parent 239a78b835
commit ffef24f964
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
View File

@ -710,6 +710,9 @@ void BBState::MergeSucc(const BBState &Other) {
/// Enable/disable ARC sequence annotations. /// Enable/disable ARC sequence annotations.
static cl::opt<bool> static cl::opt<bool>
EnableARCAnnotations("enable-objc-arc-annotations", cl::init(false)); EnableARCAnnotations("enable-objc-arc-annotations", cl::init(false));
static cl::opt<bool>
EnableCheckForCFGHazards("enable-objc-arc-checkforcfghazards",
cl::init(true));
/// This function appends a unique ARCAnnotationProvenanceSourceMDKind id to an /// This function appends a unique ARCAnnotationProvenanceSourceMDKind id to an
/// instruction so that we can track backwards when post processing via the llvm /// instruction so that we can track backwards when post processing via the llvm
@ -2170,6 +2173,9 @@ ObjCARCOpt::VisitTopDown(BasicBlock *BB,
// bottom of the basic block. // bottom of the basic block.
ANNOTATE_TOPDOWN_BBEND(MyStates, BB); ANNOTATE_TOPDOWN_BBEND(MyStates, BB);
#ifdef ARC_ANNOTATIONS
if (EnableARCAnnotations && EnableCheckForCFGHazards)
#endif
CheckForCFGHazards(BB, BBStates, MyStates); CheckForCFGHazards(BB, BBStates, MyStates);
return NestingDetected; return NestingDetected;
} }