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[CodeGen] Make use of TargetRegisterInfo::findCommonRegClass. NFC. (#179981)

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Jay Foad 2026-02-05 17:22:46 +00:00 committed by GitHub
parent d31dbb9555
commit 77034cd325
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1 changed files with 1 additions and 9 deletions
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10
llvm/lib/CodeGen/DetectDeadLanes.cpp
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@ -94,15 +94,7 @@ static bool isCrossCopy(const MachineRegisterInfo &MRI,
}
}
unsigned PreA, PreB; // Unused.
if (SrcSubIdx && DstSubIdx)
return !TRI.getCommonSuperRegClass(SrcRC, SrcSubIdx, DstRC, DstSubIdx, PreA,
PreB);
if (SrcSubIdx)
return !TRI.getMatchingSuperRegClass(SrcRC, DstRC, SrcSubIdx);
if (DstSubIdx)
return !TRI.getMatchingSuperRegClass(DstRC, SrcRC, DstSubIdx);
return !TRI.getCommonSubClass(SrcRC, DstRC);
return !TRI.findCommonRegClass(SrcRC, SrcSubIdx, DstRC, DstSubIdx);
}
void DeadLaneDetector::addUsedLanesOnOperand(const MachineOperand &MO,