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SLPVectorizer: Use vector type for vectorized memory operations

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No test case, because with the current cost model we don't see a difference.
An upcoming ARM memory cost model change will expose and test this bug.

radar://15332579

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer
2013-10-29 01:33:50 +00:00
parent 5f7a5773e6
commit 4a6b3a9a77
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@@ -1023,14 +1023,14 @@ int BoUpSLP::getEntryCost(TreeEntry *E) {
// Cost of wide load - cost of scalar loads. // Cost of wide load - cost of scalar loads.
int ScalarLdCost = VecTy->getNumElements() * int ScalarLdCost = VecTy->getNumElements() *
TTI->getMemoryOpCost(Instruction::Load, ScalarTy, 1, 0); TTI->getMemoryOpCost(Instruction::Load, ScalarTy, 1, 0);
int VecLdCost = TTI->getMemoryOpCost(Instruction::Load, ScalarTy, 1, 0); int VecLdCost = TTI->getMemoryOpCost(Instruction::Load, VecTy, 1, 0);
return VecLdCost - ScalarLdCost; return VecLdCost - ScalarLdCost;
} }
case Instruction::Store: { case Instruction::Store: {
// We know that we can merge the stores. Calculate the cost. // We know that we can merge the stores. Calculate the cost.
int ScalarStCost = VecTy->getNumElements() * int ScalarStCost = VecTy->getNumElements() *
TTI->getMemoryOpCost(Instruction::Store, ScalarTy, 1, 0); TTI->getMemoryOpCost(Instruction::Store, ScalarTy, 1, 0);
int VecStCost = TTI->getMemoryOpCost(Instruction::Store, ScalarTy, 1, 0); int VecStCost = TTI->getMemoryOpCost(Instruction::Store, VecTy, 1, 0);
return VecStCost - ScalarStCost; return VecStCost - ScalarStCost;
} }
default: default: