1; RUN: opt %s -passes=loop-deletion -S | FileCheck %s --implicit-check-not=dbg.value 2; RUN: opt %s -passes=loop-deletion -S --try-experimental-debuginfo-iterators | FileCheck %s --implicit-check-not=dbg.value 3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-apple-macosx10.14.0" 6 7@a = common local_unnamed_addr global i32 0, align 4, !dbg !0 8 9define i32 @b() local_unnamed_addr !dbg !12 { 10; CHECK-LABEL: entry 11; CHECK: #dbg_value(i32 0, ![[IVAR:[0-9]+]], 12; CHECK-LABEL: for.end: 13; CHECK-NEXT: #dbg_value(i32 undef, ![[IVAR]], !DIExpression(), !17 14; CHECK-NEXT: #dbg_value(i32 undef, ![[JVAR:[0-9]+]], !DIExpression(), !17 15; CHECK-NEXT: %call = tail call i32 {{.*}} @patatino() 16entry: 17 call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !17 18 br label %for.cond, !dbg !18 19 20for.cond: ; preds = %for.cond, %entry 21 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.cond ], !dbg !20 22 call void @llvm.dbg.value(metadata i32 %i.0, metadata !16, metadata !DIExpression()), !dbg !17 23 %inc = add nuw nsw i32 %i.0, 1, !dbg !21 24 call void @llvm.dbg.value(metadata i32 %inc, metadata !16, metadata !DIExpression()), !dbg !17 25 call void @llvm.dbg.value(metadata i32 %inc, metadata !37, metadata !DIExpression()), !dbg !17 26 %exitcond = icmp ne i32 %inc, 3, !dbg !23 27 br i1 %exitcond, label %for.cond, label %for.end, !dbg !24, !llvm.loop !25 28 29for.end: ; preds = %for.cond 30 %call = tail call i32 (...) @patatino() #3, !dbg !27 31 %0 = load i32, ptr @a, align 4, !dbg !28 32 ret i32 %0, !dbg !33 33} 34 35declare i32 @patatino(...) local_unnamed_addr 36 37define i32 @main() local_unnamed_addr !dbg !34 { 38entry: 39 %call = call i32 @b(), !dbg !35 40 ret i32 0, !dbg !36 41} 42 43 44; CHECK: ![[IVAR]] = !DILocalVariable(name: "i", 45; CHECK: ![[JVAR]] = !DILocalVariable(name: "j", 46 47declare void @llvm.dbg.value(metadata, metadata, metadata) 48 49!llvm.dbg.cu = !{!2} 50!llvm.module.flags = !{!7, !8, !9, !10} 51!llvm.ident = !{!11} 52 53!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 54!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 55!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: GNU) 56!3 = !DIFile(filename: "a.c", directory: "/Users/davide/work/llvm-project-20170507/build-debug/bin") 57!4 = !{} 58!5 = !{!0} 59!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 60!7 = !{i32 2, !"Dwarf Version", i32 4} 61!8 = !{i32 2, !"Debug Info Version", i32 3} 62!9 = !{i32 1, !"wchar_size", i32 4} 63!10 = !{i32 7, !"PIC Level", i32 2} 64!11 = !{!"clang version 8.0.0 "} 65!12 = distinct !DISubprogram(name: "b", scope: !3, file: !3, line: 2, type: !13, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !15) 66!13 = !DISubroutineType(types: !14) 67!14 = !{!6} 68!15 = !{!16} 69!16 = !DILocalVariable(name: "i", scope: !12, file: !3, line: 3, type: !6) 70!17 = !DILocation(line: 3, column: 7, scope: !12) 71!18 = !DILocation(line: 4, column: 8, scope: !19) 72!19 = distinct !DILexicalBlock(scope: !12, file: !3, line: 4, column: 3) 73!20 = !DILocation(line: 0, scope: !19) 74!21 = !DILocation(line: 4, column: 23, scope: !22) 75!22 = distinct !DILexicalBlock(scope: !19, file: !3, line: 4, column: 3) 76!23 = !DILocation(line: 4, column: 17, scope: !22) 77!24 = !DILocation(line: 4, column: 3, scope: !19) 78!25 = distinct !{!25, !24, !26} 79!26 = !DILocation(line: 5, column: 5, scope: !19) 80!27 = !DILocation(line: 6, column: 3, scope: !12) 81!28 = !DILocation(line: 7, column: 10, scope: !12) 82!33 = !DILocation(line: 7, column: 3, scope: !12) 83!34 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 9, type: !13, scopeLine: 9, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4) 84!35 = !DILocation(line: 9, column: 14, scope: !34) 85!36 = !DILocation(line: 9, column: 19, scope: !34) 86!37 = !DILocalVariable(name: "j", scope: !12, file: !3, line: 3, type: !6) 87