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[RISCV][TTI] Fix a misuse of the getShuffleCost API [NFC] #129137

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Merged
merged 1 commit into from
Feb 28, 2025
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[RISCV][TTI] Fix a misuse of the getShuffleCost API [NFC] #129137

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6 changes: 3 additions & 3 deletions llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -481,7 +481,6 @@ InstructionCost RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
ArrayRef<const Value *> Args,
const Instruction *CxtI) {
Kind = improveShuffleKindFromMask(Kind, Mask, Tp, Index, SubTp);

std::pair<InstructionCost, MVT> LT = getTypeLegalizationCost(Tp);

// First, handle cases where having a fixed length vector enables us to
Expand Down Expand Up @@ -889,11 +888,12 @@ InstructionCost RISCVTTIImpl::getInterleavedMemoryOpCost(
if (Opcode == Instruction::Load) {
InstructionCost Cost = MemCost;
for (unsigned Index : Indices) {
FixedVectorType *SubVecTy =
FixedVectorType *VecTy =
FixedVectorType::get(FVTy->getElementType(), VF * Factor);
auto Mask = createStrideMask(Index, Factor, VF);
Mask.resize(VF * Factor, -1);
InstructionCost ShuffleCost =
getShuffleCost(TTI::ShuffleKind::SK_PermuteSingleSrc, SubVecTy, Mask,
getShuffleCost(TTI::ShuffleKind::SK_PermuteSingleSrc, VecTy, Mask,
CostKind, 0, nullptr, {});
Cost += ShuffleCost;
}
Expand Down