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[PPC] Implement areInlineCompatible #126562

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Merged
merged 4 commits into from
Feb 24, 2025
Merged

[PPC] Implement areInlineCompatible #126562

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db41712
Implement areInlineCompatible for PPC
mustartt Feb 10, 2025
ad6127b
add inline attr test
mustartt Feb 10, 2025
1cb4c8f
remove test comments
mustartt Feb 10, 2025
ebe7d94
add default testcase
mustartt Feb 24, 2025
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14 changes: 14 additions & 0 deletions llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -895,6 +895,20 @@ PPCTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
return BaseT::getIntrinsicInstrCost(ICA, CostKind);
}

bool PPCTTIImpl::areInlineCompatible(const Function *Caller,
const Function *Callee) const {
const TargetMachine &TM = getTLI()->getTargetMachine();

const FeatureBitset &CallerBits =
TM.getSubtargetImpl(*Caller)->getFeatureBits();
const FeatureBitset &CalleeBits =
TM.getSubtargetImpl(*Callee)->getFeatureBits();

// Check that targets features are exactly the same. We can revisit to see if
// we can improve this.
return CallerBits == CalleeBits;
}

bool PPCTTIImpl::areTypesABICompatible(const Function *Caller,
const Function *Callee,
const ArrayRef<Type *> &Types) const {
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2 changes: 2 additions & 0 deletions llvm/lib/Target/PowerPC/PPCTargetTransformInfo.h
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Expand Up @@ -139,6 +139,8 @@ class PPCTTIImpl : public BasicTTIImplBase<PPCTTIImpl> {
bool UseMaskForCond = false, bool UseMaskForGaps = false);
InstructionCost getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
TTI::TargetCostKind CostKind);
bool areInlineCompatible(const Function *Caller,
const Function *Callee) const;
bool areTypesABICompatible(const Function *Caller, const Function *Callee,
const ArrayRef<Type *> &Types) const;
bool hasActiveVectorLength(unsigned Opcode, Type *DataType,
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