[llvm] r243956 - [SDAG] Fix a result chain in ExpandUnalignedLoad

[Quentin Colombet via llvm-commits]

This time with the right list in CC!

> On Sep 2, 2015, at 6:17 PM, Quentin Colombet <qcolombet at apple.com> wrote:
> 
> Hi Hans,
> 
> Could we pull that on the release branch?
> That would fix PR24669.
> https://llvm.org/bugs/show_bug.cgi?id=24669
> 
> Cheers,
> -Quentin
>> On Aug 3, 2015, at 11:29 PM, Hal Finkel <hfinkel at anl.gov> wrote:
>> 
>> Author: hfinkel
>> Date: Tue Aug  4 01:29:12 2015
>> New Revision: 243956
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=243956&view=rev
>> Log:
>> [SDAG] Fix a result chain in ExpandUnalignedLoad
>> 
>> On the code path in ExpandUnalignedLoad which expands an unaligned vector/fp
>> value in terms of a legal integer load of the same size, the ChainResult needs
>> to be the chain result of the integer load.
>> 
>> No in-tree test case is currently available.
>> 
>> Patch by Jan Hranac!
>> 
>> Modified:
>>   llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
>> 
>> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=243956&r1=243955&r2=243956&view=diff
>> ==============================================================================
>> --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
>> +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Tue Aug  4 01:29:12 2015
>> @@ -439,7 +439,7 @@ ExpandUnalignedLoad(LoadSDNode *LD, Sele
>>                             ISD::ANY_EXTEND, dl, VT, Result);
>> 
>>      ValResult = Result;
>> -      ChainResult = Chain;
>> +      ChainResult = newLoad.getValue(1);
>>      return;
>>    }
>> 
>> 
>> 
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>