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
4 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-apple-macosx10.14.0"
7 @a = common local_unnamed_addr global i32 0, align 4, !dbg !0
9 define i32 @b() local_unnamed_addr !dbg !12 {
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()
17 call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !17
18 br label %for.cond, !dbg !18
20 for.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
29 for.end: ; preds = %for.cond
30 %call = tail call i32 (...) @patatino() #3, !dbg !27
31 %0 = load i32, ptr @a, align 4, !dbg !28
35 declare i32 @patatino(...) local_unnamed_addr
37 define i32 @main() local_unnamed_addr !dbg !34 {
39 %call = call i32 @b(), !dbg !35
44 ; CHECK: ![[IVAR]] = !DILocalVariable(name: "i",
45 ; CHECK: ![[JVAR]] = !DILocalVariable(name: "j",
47 declare void @llvm.dbg.value(metadata, metadata, metadata)
50 !llvm.module.flags = !{!7, !8, !9, !10}
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")
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)
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)