40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
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; RUN: opt -S -o - %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 | FileCheck %s
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declare i1 @make_condition()
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; CHECK-LABEL: @test1(
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; CHECK: and i1 [[COND:%.*]], [[COND]]{{$}}
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; CHECK: select i1 [[COND]]
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define void @test1() !dbg !6 {
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start:
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%cond = call i1 @make_condition(), !dbg !8
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br i1 %cond, label %then, label %else, !dbg !9
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then: ; preds = %start
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%and = and i1 %cond, %cond, !dbg !10
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br label %else, !dbg !11
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else: ; preds = %then, %start
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%phi = phi i1 [ %cond, %start ], [ %and, %then ], !dbg !12
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ret void, !dbg !13
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}
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!3, !4}
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!llvm.module.flags = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.ll", directory: "/")
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!2 = !{}
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!3 = !{i32 6}
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!4 = !{i32 0}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = distinct !DISubprogram(name: "test1", linkageName: "test1", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!7 = !DISubroutineType(types: !2)
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!8 = !DILocation(line: 1, column: 1, scope: !6)
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!9 = !DILocation(line: 2, column: 1, scope: !6)
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!10 = !DILocation(line: 3, column: 2, scope: !6)
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!11 = !DILocation(line: 4, column: 2, scope: !6)
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!12 = !DILocation(line: 5, column: 3, scope: !6)
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!13 = !DILocation(line: 6, column: 3, scope: !6)
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