File: dbginfo-preserve-dbgloc.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (136 lines) | stat: -rw-r--r-- 7,064 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
; RUN: opt -passes=deadargelim -S < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

%struct.Channel = type { i32, i32 }

; Function Attrs: nounwind uwtable
define void @f2(i32 %m, i32 %n) #0 !dbg !7 {
entry:
  call void @llvm.dbg.value(metadata i32 %m, metadata !12, metadata !DIExpression()), !dbg !21
  call void @llvm.dbg.value(metadata i32 %n, metadata !13, metadata !DIExpression()), !dbg !22
  call void @llvm.dbg.value(metadata ptr null, metadata !14, metadata !DIExpression()), !dbg !23
  %call = call ptr (...) @foo(), !dbg !24
  call void @llvm.dbg.value(metadata ptr %call, metadata !14, metadata !DIExpression()), !dbg !23
  %cmp = icmp sgt i32 %m, 3, !dbg !25
  br i1 %cmp, label %if.then, label %if.end, !dbg !27

if.then:                                          ; preds = %entry
  %call1 = call zeroext i1 @f1(i1 zeroext true, ptr %call), !dbg !28
  br label %if.end, !dbg !28

if.end:                                           ; preds = %if.then, %entry
  %cmp2 = icmp sgt i32 %n, %m, !dbg !29
  br i1 %cmp2, label %if.then3, label %if.end5, !dbg !31

if.then3:                                         ; preds = %if.end
  %call4 = call zeroext i1 @f1(i1 zeroext false, ptr %call), !dbg !32
  br label %if.end5, !dbg !32

if.end5:                                          ; preds = %if.then3, %if.end
  ret void, !dbg !33
}

declare ptr @foo(...) local_unnamed_addr #1

; Function Attrs: noinline nounwind uwtable
define internal zeroext i1 @f1(i1 zeroext %is_y, ptr %str) #4 !dbg !34 {
entry:
  %frombool = zext i1 %is_y to i8
; CHECK: call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42
  call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42
; CHECK: call void @llvm.dbg.value(metadata ptr %str, metadata !40, metadata !DIExpression()), !dbg !43
  call void @llvm.dbg.value(metadata ptr %str, metadata !40, metadata !DIExpression()), !dbg !43
  call void @llvm.dbg.value(metadata ptr null, metadata !41, metadata !DIExpression()), !dbg !44
  %tobool = icmp ne ptr %str, null, !dbg !45
  br i1 %tobool, label %if.end, label %if.then, !dbg !47

if.then:                                          ; preds = %entry
  call void (...) @baa(), !dbg !48
  br label %cleanup, !dbg !50

if.end:                                           ; preds = %entry
  %call = call ptr (...) @foo(), !dbg !51
  call void @llvm.dbg.value(metadata ptr %call, metadata !41, metadata !DIExpression()), !dbg !44
  %tobool1 = trunc i8 %frombool to i1, !dbg !52
  br i1 %tobool1, label %if.then2, label %if.end3, !dbg !56

if.then2:                                         ; preds = %if.end
  call void (...) @baa(), !dbg !57
  br label %cleanup, !dbg !56

if.end3:                                          ; preds = %if.end
  br label %cleanup, !dbg !56

cleanup:                                          ; preds = %if.end3, %if.then2, %if.then
  %retval.0 = phi i1 [ false, %if.then2 ], [ true, %if.end3 ], [ false, %if.then ]
; CHECK: ret void, !dbg
  ret i1 %retval.0, !dbg !56
}

declare void @baa(...) local_unnamed_addr #1

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #3

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "test.c", directory: "/dir")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 7.0.0"}
!7 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 31, type: !8, isLocal: false, isDefinition: true, scopeLine: 32, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
!8 = !DISubroutineType(types: !9)
!9 = !{null, !10, !10}
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!11 = !{!12, !13, !14}
!12 = !DILocalVariable(name: "m", arg: 1, scope: !7, file: !1, line: 31, type: !10)
!13 = !DILocalVariable(name: "n", arg: 2, scope: !7, file: !1, line: 31, type: !10)
!14 = !DILocalVariable(name: "str3", scope: !7, file: !1, line: 33, type: !15)
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "channel", file: !1, line: 6, baseType: !17)
!17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Channel", file: !1, line: 3, size: 64, elements: !18)
!18 = !{!19, !20}
!19 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !17, file: !1, line: 4, baseType: !10, size: 32)
!20 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !17, file: !1, line: 5, baseType: !10, size: 32, offset: 32)
!21 = !DILocation(line: 31, column: 13, scope: !7)
!22 = !DILocation(line: 31, column: 20, scope: !7)
!23 = !DILocation(line: 33, column: 11, scope: !7)
!24 = !DILocation(line: 34, column: 9, scope: !7)
!25 = !DILocation(line: 36, column: 8, scope: !26)
!26 = distinct !DILexicalBlock(scope: !7, file: !1, line: 36, column: 6)
!27 = !DILocation(line: 36, column: 6, scope: !7)
!28 = !DILocation(line: 37, column: 3, scope: !26)
!29 = !DILocation(line: 39, column: 8, scope: !30)
!30 = distinct !DILexicalBlock(scope: !7, file: !1, line: 39, column: 6)
!31 = !DILocation(line: 39, column: 6, scope: !7)
!32 = !DILocation(line: 40, column: 3, scope: !30)
!33 = !DILocation(line: 41, column: 1, scope: !7)
!34 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 12, type: !35, isLocal: true, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !38)
!35 = !DISubroutineType(types: !36)
!36 = !{!37, !37, !15}
!37 = !DIBasicType(name: "_Bool", size: 8, encoding: DW_ATE_boolean)
!38 = !{!39, !40, !41}
!39 = !DILocalVariable(name: "is_y", arg: 1, scope: !34, file: !1, line: 12, type: !37)
!40 = !DILocalVariable(name: "str", arg: 2, scope: !34, file: !1, line: 12, type: !15)
!41 = !DILocalVariable(name: "str2", scope: !34, file: !1, line: 14, type: !15)
!42 = !DILocation(line: 12, column: 21, scope: !34)
!43 = !DILocation(line: 12, column: 36, scope: !34)
!44 = !DILocation(line: 14, column: 11, scope: !34)
!45 = !DILocation(line: 16, column: 7, scope: !46)
!46 = distinct !DILexicalBlock(scope: !34, file: !1, line: 16, column: 6)
!47 = !DILocation(line: 16, column: 6, scope: !34)
!48 = !DILocation(line: 17, column: 3, scope: !49)
!49 = distinct !DILexicalBlock(scope: !46, file: !1, line: 16, column: 11)
!50 = !DILocation(line: 18, column: 3, scope: !49)
!51 = !DILocation(line: 21, column: 9, scope: !34)
!52 = !DILocation(line: 23, column: 6, scope: !34)
!53 = !DILocation(line: 24, column: 3, scope: !54)
!54 = distinct !DILexicalBlock(scope: !55, file: !1, line: 23, column: 11)
!55 = distinct !DILexicalBlock(scope: !34, file: !1, line: 23, column: 6)
!56 = !DILocation(line: 25, column: 3, scope: !54)
!57 = !DILocation(line: 28, column: 2, scope: !34)