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[X86] Fix typo from r310794. Index = 0 should have been Index == 0. 

llvm-svn: 310801
This commit is contained in:
Craig Topper 2017-08-13 20:21:12 +00:00
parent c4edc0705c
commit 5b59176abb
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -4582,8 +4582,8 @@ bool X86TargetLowering::isExtractSubvectorCheap(EVT ResVT, EVT SrcVT,
// Mask vectors support all subregister combinations and operations that
// extract half of vector.
if (ResVT.getVectorElementType() == MVT::i1)
return Index = 0 || ((ResVT.getSizeInBits() == SrcVT.getSizeInBits() * 2) &&
(Index == ResVT.getVectorNumElements()));
return Index == 0 || ((ResVT.getSizeInBits() == SrcVT.getSizeInBits()*2) &&
(Index == ResVT.getVectorNumElements()));
return (Index % ResVT.getVectorNumElements()) == 0;
}