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| author | Michael Gottesman <mgottesman@apple.com> | 2013-04-17 20:48:01 +0000 |
|---|---|---|
| committer | Michael Gottesman <mgottesman@apple.com> | 2013-04-17 20:48:01 +0000 |
| commit | ffef24f9640a1f494b655cfcca1548beeed95d64 (patch) | |
| tree | f7b8f446cb85547ba512d23ec7a8210bffdd02c0 /llvm/lib/Transforms | |
| parent | 239a78b83530d364fcbf2cf95d1a58fb12e7d0fa (diff) | |
| download | bcm5719-llvm-ffef24f9640a1f494b655cfcca1548beeed95d64.tar.gz bcm5719-llvm-ffef24f9640a1f494b655cfcca1548beeed95d64.zip | |
[objc-arc] Added an option to arc-annotations for turning off CheckForCFGHazard.
llvm-svn: 179717
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp index cddf00bea77..bf1c93dc8db 100644 --- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp +++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp @@ -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; } |
