File: inline-debug-info-multiret.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (154 lines) | stat: -rw-r--r-- 6,775 bytes parent folder | download | duplicates (12)
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
;
; A hand-edited version of inline-debug-info.ll to test inlining of a
; function with multiple returns.
;
; Make sure the branch instructions created during inlining has a debug location,
; so the range of the inlined function is correct.
; CHECK: br label %_Z4testi.exit, !dbg ![[MD:[0-9]+]]
; CHECK: br label %_Z4testi.exit, !dbg ![[MD]]
; CHECK: br label %invoke.cont, !dbg ![[MD]]
; The branch instruction has the source location of line 9 and its inlined location
; has the source location of line 14.
; CHECK: ![[INL:[0-9]+]] = distinct !DILocation(line: 14, scope: {{.*}})
; CHECK: ![[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: ![[INL]])

; ModuleID = 'test.cpp'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin12.0.0"

@_ZTIi = external constant ptr
@global_var = external global i32

; copy of above function with multiple returns
define i32 @_Z4testi(i32 %k)  !dbg !4 {
entry:
  %retval = alloca i32, align 4
  %k.addr = alloca i32, align 4
  %k2 = alloca i32, align 4
  store i32 %k, ptr %k.addr, align 4
  call void @llvm.dbg.declare(metadata ptr %k.addr, metadata !13, metadata !DIExpression()), !dbg !14
  call void @llvm.dbg.declare(metadata ptr %k2, metadata !15, metadata !DIExpression()), !dbg !16
  %0 = load i32, ptr %k.addr, align 4, !dbg !16
  %call = call i32 @_Z8test_exti(i32 %0), !dbg !16
  store i32 %call, ptr %k2, align 4, !dbg !16
  %1 = load i32, ptr %k2, align 4, !dbg !17
  %cmp = icmp sgt i32 %1, 100, !dbg !17
  br i1 %cmp, label %if.then, label %if.end, !dbg !17

if.then:                                          ; preds = %entry
  %2 = load i32, ptr %k2, align 4, !dbg !18
  store i32 %2, ptr %retval, !dbg !18
  br label %return, !dbg !18

if.end:                                           ; preds = %entry
  store i32 0, ptr %retval, !dbg !19
  %3 = load i32, ptr %retval, !dbg !20                ; hand-edited
  ret i32 %3, !dbg !20                            ; hand-edited

return:                                           ; preds = %if.end, %if.then
  %4 = load i32, ptr %retval, !dbg !20
  ret i32 %4, !dbg !20
}


; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1

declare i32 @_Z8test_exti(i32)

define i32 @_Z5test2v() personality ptr @__gxx_personality_v0 !dbg !10 {
entry:
  %exn.slot = alloca ptr
  %ehselector.slot = alloca i32
  %e = alloca i32, align 4
  %0 = load i32, ptr @global_var, align 4, !dbg !21
  %call = invoke i32 @_Z4testi(i32 %0)
          to label %invoke.cont unwind label %lpad, !dbg !21

invoke.cont:                                      ; preds = %entry
  br label %try.cont, !dbg !23

lpad:                                             ; preds = %entry
  %1 = landingpad { ptr, i32 }
          catch ptr @_ZTIi, !dbg !21
  %2 = extractvalue { ptr, i32 } %1, 0, !dbg !21
  store ptr %2, ptr %exn.slot, !dbg !21
  %3 = extractvalue { ptr, i32 } %1, 1, !dbg !21
  store i32 %3, ptr %ehselector.slot, !dbg !21
  br label %catch.dispatch, !dbg !21

catch.dispatch:                                   ; preds = %lpad
  %sel = load i32, ptr %ehselector.slot, !dbg !23
  %4 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) #2, !dbg !23
  %matches = icmp eq i32 %sel, %4, !dbg !23
  br i1 %matches, label %catch, label %eh.resume, !dbg !23

catch:                                            ; preds = %catch.dispatch
  call void @llvm.dbg.declare(metadata ptr %e, metadata !24, metadata !DIExpression()), !dbg !25
  %exn = load ptr, ptr %exn.slot, !dbg !23
  %5 = call ptr @__cxa_begin_catch(ptr %exn) #2, !dbg !23
  %6 = load i32, ptr %5, align 4, !dbg !23
  store i32 %6, ptr %e, align 4, !dbg !23
  store i32 0, ptr @global_var, align 4, !dbg !26
  call void @__cxa_end_catch() #2, !dbg !28
  br label %try.cont, !dbg !28

try.cont:                                         ; preds = %catch, %invoke.cont
  store i32 1, ptr @global_var, align 4, !dbg !29
  ret i32 0, !dbg !30

eh.resume:                                        ; preds = %catch.dispatch
  %exn1 = load ptr, ptr %exn.slot, !dbg !23
  %sel2 = load i32, ptr %ehselector.slot, !dbg !23
  %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn1, 0, !dbg !23
  %lpad.val3 = insertvalue { ptr, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
  resume { ptr, i32 } %lpad.val3, !dbg !23
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(ptr) #1

declare ptr @__cxa_begin_catch(ptr)

declare void @__cxa_end_catch()

attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!31}

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
!1 = !DIFile(filename: "<unknown>", directory: "")
!2 = !{}
!4 = distinct !DISubprogram(name: "test", linkageName: "_Z4testi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !5, scope: !6, type: !7, retainedNodes: !2)
!5 = !DIFile(filename: "test.cpp", directory: "")
!6 = !DIFile(filename: "test.cpp", directory: "")
!7 = !DISubroutineType(types: !8)
!8 = !{!9, !9}
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = distinct !DISubprogram(name: "test2", linkageName: "_Z5test2v", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 11, file: !5, scope: !6, type: !11, retainedNodes: !2)
!11 = !DISubroutineType(types: !12)
!12 = !{!9}
!13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9)
!14 = !DILocation(line: 4, scope: !4)
!15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9)
!16 = !DILocation(line: 5, scope: !4)
!17 = !DILocation(line: 6, scope: !4)
!18 = !DILocation(line: 7, scope: !4)
!19 = !DILocation(line: 8, scope: !4)
!20 = !DILocation(line: 9, scope: !4)
!21 = !DILocation(line: 14, scope: !22)
!22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10)
!23 = !DILocation(line: 15, scope: !22)
!24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9)
!25 = !DILocation(line: 16, scope: !10)
!26 = !DILocation(line: 17, scope: !27)
!27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10)
!28 = !DILocation(line: 18, scope: !27)
!29 = !DILocation(line: 19, scope: !10)
!30 = !DILocation(line: 20, scope: !10)
!31 = !{i32 1, !"Debug Info Version", i32 3}