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1; RUN: opt -S -passes=lower-constant-intrinsics < %s | FileCheck %s2 3; Check that LowerConstantIntrinsics's replaceConditionalBranchesOnConstant() correctly4; propagates the debug location from the old br instruction to the new one.5 6; Function Attrs: nounwind7define i32 @test_branch(i32 %in) !dbg !5 {8; CHECK-LABEL: define i32 @test_branch(9; CHECK: br label %[[FALSE:.*]], !dbg [[DBG8:![0-9]+]]10; CHECK: [[FALSE]]:11;12 %v = call i1 @llvm.is.constant.i32(i32 %in), !dbg !813 br i1 %v, label %True, label %False, !dbg !914 15True: ; preds = %016 %call1 = tail call i32 @subfun_1(), !dbg !1017 ret i32 %call1, !dbg !1118 19False: ; preds = %020 %call2 = tail call i32 @subfun_2(), !dbg !1221 ret i32 %call2, !dbg !1322}23 24declare i32 @subfun_1()25declare i32 @subfun_2()26 27declare i1 @llvm.is.constant.i32(i32)28 29!llvm.dbg.cu = !{!0}30!llvm.debugify = !{!2, !3}31!llvm.module.flags = !{!4}32 33; CHECK: [[DBG8]] = !DILocation(line: 2,34 35!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)36!1 = !DIFile(filename: "main.ll", directory: "/")37!2 = !{i32 6}38!3 = !{i32 0}39!4 = !{i32 2, !"Debug Info Version", i32 3}40!5 = distinct !DISubprogram(name: "test_branch", linkageName: "test_branch", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)41!6 = !DISubroutineType(types: !7)42!7 = !{}43!8 = !DILocation(line: 1, column: 1, scope: !5)44!9 = !DILocation(line: 2, column: 1, scope: !5)45!10 = !DILocation(line: 3, column: 1, scope: !5)46!11 = !DILocation(line: 4, column: 1, scope: !5)47!12 = !DILocation(line: 5, column: 1, scope: !5)48!13 = !DILocation(line: 6, column: 1, scope: !5)49