[llvm] r179717 - [objc-arc] Added an option to arc-annotations for turning off CheckForCFGHazard.
Michael Gottesman
mgottesman at apple.com
Wed Apr 17 14:04:47 PDT 2013
(when I said committing I meant committing the fix).
On Apr 17, 2013, at 2:04 PM, Michael Gottesman <mgottesman at apple.com> wrote:
> This is broken = /. Just running check-llvm before committing.
> On Apr 17, 2013, at 1:48 PM, Michael Gottesman <mgottesman at apple.com> wrote:
>
>> Author: mgottesman
>> Date: Wed Apr 17 15:48:01 2013
>> New Revision: 179717
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=179717&view=rev
>> Log:
>> [objc-arc] Added an option to arc-annotations for turning off CheckForCFGHazard.
>>
>> Modified:
>> llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
>>
>> Modified: llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp?rev=179717&r1=179716&r2=179717&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp (original)
>> +++ llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp Wed Apr 17 15:48:01 2013
>> @@ -710,6 +710,9 @@ void BBState::MergeSucc(const BBState &O
>> /// 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;
>> }
>>
>>
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