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[LoongArch] use TypeWidenVector for most illegal vector types #126456

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Merged
merged 2 commits into from
Mar 3, 2025
+294 −439
Merged

[LoongArch] use TypeWidenVector for most illegal vector types #126456

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840a177
use TypeWidenVector for most illegal vector types
tangaac Feb 8, 2025
b91eda4
add some format space
tangaac Feb 27, 2025
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9 changes: 9 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
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Expand Up @@ -6570,3 +6570,12 @@ bool LoongArchTargetLowering::shouldAlignPointerArgs(CallInst *CI,

return true;
}

TargetLoweringBase::LegalizeTypeAction
LoongArchTargetLowering::getPreferredVectorAction(MVT VT) const {
if (!VT.isScalableVector() && VT.getVectorNumElements() != 1 &&
VT.getVectorElementType() != MVT::i1)
return TypeWidenVector;

return TargetLoweringBase::getPreferredVectorAction(VT);
}
1 change: 1 addition & 0 deletions llvm/lib/Target/LoongArch/LoongArchISelLowering.h
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Expand Up @@ -281,6 +281,7 @@ class LoongArchTargetLowering : public TargetLowering {
Align &PrefAlign) const override;

bool isFPImmVLDILegal(const APFloat &Imm, EVT VT) const;
LegalizeTypeAction getPreferredVectorAction(MVT VT) const override;

private:
/// Target-specific function used to lower LoongArch calling conventions.
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