1; RUN: opt -S -passes=lower-constant-intrinsics < %s | FileCheck %s 2 3; Check that LowerConstantIntrinsics's replaceConditionalBranchesOnConstant() correctly 4; propagates the debug location from the old br instruction to the new one. 5 6; Function Attrs: nounwind 7define 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 !8 13 br i1 %v, label %True, label %False, !dbg !9 14 15True: ; preds = %0 16 %call1 = tail call i32 @subfun_1(), !dbg !10 17 ret i32 %call1, !dbg !11 18 19False: ; preds = %0 20 %call2 = tail call i32 @subfun_2(), !dbg !12 21 ret i32 %call2, !dbg !13 22} 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