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[RISCV] Support umin/umax in tryFoldSelectIntoOp #157548

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Merged
merged 4 commits into from
Sep 12, 2025
Merged

[RISCV] Support umin/umax in tryFoldSelectIntoOp #157548

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5417701
[RISCV] Add coverage for select with minmax arm [nfc]
preames Sep 8, 2025
2fcbd33
Merge branch 'main' into wip-riscv-select-umin-umax
preames Sep 8, 2025
79573fa
[RISCV] Support umin/umax in tryFoldSelectIntoOp
preames Sep 8, 2025
973fe66
Merge branch 'main' into pr-riscv-select-umin-umax
preames Sep 9, 2025
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2 changes: 2 additions & 0 deletions llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18835,6 +18835,8 @@ static SDValue tryFoldSelectIntoOp(SDNode *N, SelectionDAG &DAG,
case ISD::ADD:
case ISD::OR:
case ISD::XOR:
case ISD::UMIN:
case ISD::UMAX:
Comment on lines +18838 to +18839
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I think SMAX/SMIN would also be good to add, and yield similar results?

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This is mentioned in the description "smin/smax are a bit harder, and will be a separate change."

break;
}

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