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[TTI] Flip vector types in getShuffleCost SK_ExtractSubvector call 

For SK_ExtractSubvector, the default 'Ty' type is the source operand type and 'SubTy' is the destination subvector type

I got this the wrong way around when I added rL346510

llvm-svn: 346534
This commit is contained in:
Simon Pilgrim 2018-11-09 18:30:59 +00:00
parent 26299e2af1
commit 26e1c887f5
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Analysis/TargetTransformInfo.cpp
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@ -1114,7 +1114,7 @@ int TargetTransformInfo::getInstructionThroughput(const Instruction *I) const {
// TODO: Identify and add costs for insert subvector, etc.
int SubIndex;
if (Shuffle->isExtractSubvectorMask(SubIndex))
return TTIImpl->getShuffleCost(SK_ExtractSubvector, Ty, SubIndex, SrcTy);
return TTIImpl->getShuffleCost(SK_ExtractSubvector, SrcTy, SubIndex, Ty);
if (Shuffle->changesLength())
return -1;