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[RISCV][TTI] Implement instruction cost for vp_merge. #112327

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Merged
merged 4 commits into from
Oct 16, 2024
Merged

[RISCV][TTI] Implement instruction cost for vp_merge. #112327

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bc06f64
Pre-commit testcase
ElvisWang123 Oct 15, 2024
f834ca4
[RISCV][TTI] Implment instruction cost for vp_merge.
ElvisWang123 Oct 15, 2024
358f934
Fixup, reuse same function as select instruction
ElvisWang123 Oct 15, 2024
9adc9ef
Fixup! merge tests into rvv-select and fix args in vp intrinsics.
ElvisWang123 Oct 16, 2024
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6 changes: 5 additions & 1 deletion llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1132,6 +1132,10 @@ RISCVTTIImpl::getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
return getCmpSelInstrCost(*FOp, ICA.getReturnType(), ICA.getArgTypes()[0],
CmpInst::BAD_ICMP_PREDICATE, CostKind);
}
case Intrinsic::vp_merge:
return getCmpSelInstrCost(Instruction::Select, ICA.getReturnType(),
ICA.getArgTypes()[0], CmpInst::BAD_ICMP_PREDICATE,
CostKind);
}

if (ST->hasVInstructions() && RetTy->isVectorTy()) {
Expand Down Expand Up @@ -2431,4 +2435,4 @@ bool RISCVTTIImpl::isProfitableToSinkOperands(
Ops.push_back(&OpIdx.value());
}
return true;
}
}
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