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ValueTracking: Handle minimumnum/maximumnum in canCreateUndefOrPoison #138729

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merged 1 commit into from
May 6, 2025
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ValueTracking: Handle minimumnum/maximumnum in canCreateUndefOrPoison #138729

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2 changes: 2 additions & 0 deletions llvm/lib/Analysis/ValueTracking.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7723,6 +7723,8 @@ static bool canCreateUndefOrPoison(const Operator *Op, UndefPoisonKind Kind,
case Intrinsic::maxnum:
case Intrinsic::minimum:
case Intrinsic::maximum:
case Intrinsic::minimumnum:
case Intrinsic::maximumnum:
case Intrinsic::is_fpclass:
case Intrinsic::ldexp:
case Intrinsic::frexp:
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12 changes: 6 additions & 6 deletions llvm/test/Transforms/InstCombine/freeze-fp-ops.ll
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Expand Up @@ -508,9 +508,9 @@ define float @freeze_maximum(float %arg0, float noundef %arg1) {

define float @freeze_minimumnum(float %arg0, float noundef %arg1) {
; CHECK-LABEL: @freeze_minimumnum(
; CHECK-NEXT: [[OP:%.*]] = call float @llvm.minimumnum.f32(float [[ARG0:%.*]], float noundef [[ARG1:%.*]])
; CHECK-NEXT: [[FREEZE:%.*]] = freeze float [[OP]]
; CHECK-NEXT: ret float [[FREEZE]]
; CHECK-NEXT: [[FREEZE:%.*]] = freeze float [[OP:%.*]]
; CHECK-NEXT: [[OP1:%.*]] = call float @llvm.minimumnum.f32(float [[FREEZE]], float noundef [[ARG1:%.*]])
; CHECK-NEXT: ret float [[OP1]]
;
%op = call float @llvm.minimumnum.f32(float %arg0, float noundef %arg1)
%freeze = freeze float %op
Expand All @@ -519,9 +519,9 @@ define float @freeze_minimumnum(float %arg0, float noundef %arg1) {

define float @freeze_maximumnum(float %arg0, float noundef %arg1) {
; CHECK-LABEL: @freeze_maximumnum(
; CHECK-NEXT: [[OP:%.*]] = call float @llvm.maximumnum.f32(float [[ARG0:%.*]], float noundef [[ARG1:%.*]])
; CHECK-NEXT: [[FREEZE:%.*]] = freeze float [[OP]]
; CHECK-NEXT: ret float [[FREEZE]]
; CHECK-NEXT: [[FREEZE:%.*]] = freeze float [[OP:%.*]]
; CHECK-NEXT: [[OP1:%.*]] = call float @llvm.maximumnum.f32(float [[FREEZE]], float noundef [[ARG1:%.*]])
; CHECK-NEXT: ret float [[OP1]]
;
%op = call float @llvm.maximumnum.f32(float %arg0, float noundef %arg1)
%freeze = freeze float %op
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