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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179717 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-04-17 20:48:01 +00:00
parent 8c493386ce
commit ba5d950518
1 changed files with 6 additions and 0 deletions
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6
lib/Transforms/ObjCARC/ObjCARCOpts.cpp
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@ -710,6 +710,9 @@ void BBState::MergeSucc(const BBState &Other) {
/// Enable/disable ARC sequence annotations.
static cl::opt<bool>
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
/// 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.
ANNOTATE_TOPDOWN_BBEND(MyStates, BB);
#ifdef ARC_ANNOTATIONS
if (EnableARCAnnotations && EnableCheckForCFGHazards)
#endif
CheckForCFGHazards(BB, BBStates, MyStates);
return NestingDetected;
}