41 lines
1.1 KiB
LLVM
41 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=simplifycfg -hoist-common-insts=true -S | FileCheck %s
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -hoist-common-insts=true -S | FileCheck %s
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define void @foo(i1 %C, i32* %P) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: common.ret:
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; CHECK-NEXT: store i32 7, i32* [[P:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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br i1 %C, label %T, label %F
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T: ; preds = %0
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store i32 7, i32* %P
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ret void
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F: ; preds = %0
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store i32 7, i32* %P
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ret void
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}
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define float @PR39535min(float %x) {
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; CHECK-LABEL: @PR39535min(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TOBOOL:%.*]] = fcmp une float [[X:%.*]], 0.000000e+00
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; CHECK-NEXT: [[DOTX:%.*]] = select fast i1 [[TOBOOL]], float 0.000000e+00, float [[X]]
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; CHECK-NEXT: ret float [[DOTX]]
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;
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entry:
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%tobool = fcmp une float %x, 0.0
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br i1 %tobool, label %cond.true, label %cond.false
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cond.true:
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br label %cond.end
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cond.false:
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br label %cond.end
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cond.end:
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%cond = phi fast float [ 0.0, %cond.true ], [ %x, %cond.false ]
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ret float %cond
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}
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