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[TTI] Flip vector types in getShuffleCost SK_ExtractSubvector call

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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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346534 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim
2018-11-09 18:30:59 +00:00
parent 8d5b2ca477
commit ec09d9119e
1 changed files with 1 additions and 1 deletions
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lib/Analysis/TargetTransformInfo.cpp
+1 -1
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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;