[llvm] r270865 - Use new interface in Triple /NFC

[Xinliang David Li via llvm-commits]

I am a little puzzled why this change can make any change in compiler
behavior. Any idea?

David

On Thu, May 26, 2016 at 10:38 AM, David Blaikie <dblaikie at gmail.com> wrote:

> (I see this was reverted - but when it goes back it it could use a test
> case)
>
> On Thu, May 26, 2016 at 9:28 AM, Xinliang David Li via llvm-commits <
> llvm-commits at lists.llvm.org> wrote:
>
>> Author: davidxl
>> Date: Thu May 26 11:28:01 2016
>> New Revision: 270865
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=270865&view=rev
>> Log:
>> Use new interface in Triple /NFC
>>
>> Modified:
>>     llvm/trunk/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
>>
>> Modified: llvm/trunk/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/PGOInstrumentation.cpp?rev=270865&r1=270864&r2=270865&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
>> (original)
>> +++ llvm/trunk/lib/Transforms/Instrumentation/PGOInstrumentation.cpp Thu
>> May 26 11:28:01 2016
>> @@ -790,7 +790,7 @@ static void createIRLevelProfileFlagVari
>>        INSTR_PROF_QUOTE(IR_LEVEL_PROF_VERSION_VAR));
>>    IRLevelVersionVariable->setVisibility(GlobalValue::DefaultVisibility);
>>    Triple TT(M.getTargetTriple());
>> -  if (TT.isOSBinFormatMachO())
>> +  if (!TT.supportsCOMDAT())
>>      IRLevelVersionVariable->setLinkage(GlobalValue::WeakAnyLinkage);
>>    else
>>      IRLevelVersionVariable->setComdat(M.getOrInsertComdat(
>>
>>
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>
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