[llvm] [SDAG] Drop select -> fmax/min folding in SelectionDAGBuilder (PR #93575)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 25 04:27:50 PDT 2024
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@@ -3725,32 +3725,8 @@ void SelectionDAGBuilder::visitSelect(const User &I) {
case SPF_UMAX: Opc = ISD::UMAX; break;
case SPF_UMIN: Opc = ISD::UMIN; break;
case SPF_SMAX: Opc = ISD::SMAX; break;
- case SPF_SMIN: Opc = ISD::SMIN; break;
- case SPF_FMINNUM:
- switch (SPR.NaNBehavior) {
- case SPNB_NA: llvm_unreachable("No NaN behavior for FP op?");
- case SPNB_RETURNS_NAN: break;
- case SPNB_RETURNS_OTHER: Opc = ISD::FMINNUM; break;
- case SPNB_RETURNS_ANY:
- if (TLI.isOperationLegalOrCustom(ISD::FMINNUM, VT) ||
- (UseScalarMinMax &&
- TLI.isOperationLegalOrCustom(ISD::FMINNUM, VT.getScalarType())))
- Opc = ISD::FMINNUM;
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arsenm wrote:
Are you going to work on this? If not I can probably pick this up
https://github.com/llvm/llvm-project/pull/93575
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