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