aboutsummaryrefslogtreecommitdiffstats
path: root/test/DebugInfo/inline-scopes.ll
blob: ec36a2fdec62e8b48bbde01a6121c6b535ab7dcf (plain)
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
; REQUIRES: object-emission

; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s

; bool f();
; inline __attribute__((always_inline)) int f1() {
;   if (bool b = f())
;     return 1;
;   return 2;
; }
;
; inline __attribute__((always_inline)) int f2() {
; # 2 "y.cc"
;   if (bool b = f())
;     return 3;
;   return 4;
; }
;
; int main() {
;   f1();
;   f2();
; }

; Ensure that lexical_blocks within inlined_subroutines are preserved/emitted.
; CHECK: DW_TAG_inlined_subroutine
; CHECK-NOT: DW_TAG
; CHECK-NOT: NULL
; CHECK: DW_TAG_lexical_block
; CHECK-NOT: DW_TAG
; CHECK-NOT: NULL
; CHECK: DW_TAG_variable
; Ensure that file changes don't interfere with creating inlined subroutines.
; (see the line directive inside 'f2' in thesource)
; CHECK: DW_TAG_inlined_subroutine
; CHECK:   DW_TAG_variable
; CHECK-NOT: DW_TAG
; CHECK:     DW_AT_abstract_origin

; Function Attrs: uwtable
define i32 @main() #0 {
entry:
  %retval.i2 = alloca i32, align 4
  %b.i3 = alloca i8, align 1
  %retval.i = alloca i32, align 4
  %b.i = alloca i8, align 1
  call void @llvm.dbg.declare(metadata i8* %b.i, metadata !16, metadata !{!"0x102"}), !dbg !19
  %call.i = call zeroext i1 @_Z1fv(), !dbg !19
  %frombool.i = zext i1 %call.i to i8, !dbg !19
  store i8 %frombool.i, i8* %b.i, align 1, !dbg !19
  %0 = load i8* %b.i, align 1, !dbg !19
  %tobool.i = trunc i8 %0 to i1, !dbg !19
  br i1 %tobool.i, label %if.then.i, label %if.end.i, !dbg !19

if.then.i:                                        ; preds = %entry
  store i32 1, i32* %retval.i, !dbg !21
  br label %_Z2f1v.exit, !dbg !21

if.end.i:                                         ; preds = %entry
  store i32 2, i32* %retval.i, !dbg !22
  br label %_Z2f1v.exit, !dbg !22

_Z2f1v.exit:                                      ; preds = %if.then.i, %if.end.i
  %1 = load i32* %retval.i, !dbg !23
  call void @llvm.dbg.declare(metadata i8* %b.i3, metadata !24, metadata !{!"0x102"}), !dbg !27
  %call.i4 = call zeroext i1 @_Z1fv(), !dbg !27
  %frombool.i5 = zext i1 %call.i4 to i8, !dbg !27
  store i8 %frombool.i5, i8* %b.i3, align 1, !dbg !27
  %2 = load i8* %b.i3, align 1, !dbg !27
  %tobool.i6 = trunc i8 %2 to i1, !dbg !27
  br i1 %tobool.i6, label %if.then.i7, label %if.end.i8, !dbg !27

if.then.i7:                                       ; preds = %_Z2f1v.exit
  store i32 3, i32* %retval.i2, !dbg !29
  br label %_Z2f2v.exit, !dbg !29

if.end.i8:                                        ; preds = %_Z2f1v.exit
  store i32 4, i32* %retval.i2, !dbg !30
  br label %_Z2f2v.exit, !dbg !30

_Z2f2v.exit:                                      ; preds = %if.then.i7, %if.end.i8
  %3 = load i32* %retval.i2, !dbg !31
  ret i32 0, !dbg !32
}

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

declare zeroext i1 @_Z1fv() #2

attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!13, !14}
!llvm.ident = !{!15}

!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/inline-scopes.cpp] [DW_LANG_C_plus_plus]
!1 = !{!"inline-scopes.cpp", !"/tmp/dbginfo"}
!2 = !{}
!3 = !{!4, !10, !12}
!4 = !{!"0x2e\00main\00main\00\007\000\001\000\006\00256\000\007", !5, !6, !7, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
!5 = !{!"y.cc", !"/tmp/dbginfo"}
!6 = !{!"0x29", !5}          ; [ DW_TAG_file_type ] [/tmp/dbginfo/y.cc]
!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = !{!9}
!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = !{!"0x2e\00f2\00f2\00_Z2f2v\008\000\001\000\006\00256\000\008", !1, !11, !7, null, null, null, null, !2} ; [ DW_TAG_subprogram ] [line 8] [def] [f2]
!11 = !{!"0x29", !1}         ; [ DW_TAG_file_type ] [/tmp/dbginfo/inline-scopes.cpp]
!12 = !{!"0x2e\00f1\00f1\00_Z2f1v\002\000\001\000\006\00256\000\002", !1, !11, !7, null, null, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [f1]
!13 = !{i32 2, !"Dwarf Version", i32 4}
!14 = !{i32 1, !"Debug Info Version", i32 2}
!15 = !{!"clang version 3.5.0 "}
!16 = !{!"0x100\00b\003\000", !17, !11, !18} ; [ DW_TAG_auto_variable ] [b] [line 3]
!17 = !{!"0xb\003\000\001", !1, !12} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/inline-scopes.cpp]
!18 = !{!"0x24\00bool\000\008\008\000\000\002", null, null} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean]
!19 = !MDLocation(line: 3, scope: !17, inlinedAt: !20)
!20 = !MDLocation(line: 8, scope: !4)
!21 = !MDLocation(line: 4, scope: !17, inlinedAt: !20)
!22 = !MDLocation(line: 5, scope: !12, inlinedAt: !20)
!23 = !MDLocation(line: 6, scope: !12, inlinedAt: !20)
!24 = !{!"0x100\00b\002\000", !25, !6, !18} ; [ DW_TAG_auto_variable ] [b] [line 2]
!25 = !{!"0xb\002\000\000", !5, !26} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/y.cc]
!26 = !{!"0xb\000", !5, !10} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/y.cc]
!27 = !MDLocation(line: 2, scope: !25, inlinedAt: !28)
!28 = !MDLocation(line: 9, scope: !4)
!29 = !MDLocation(line: 3, scope: !25, inlinedAt: !28)
!30 = !MDLocation(line: 4, scope: !26, inlinedAt: !28)
!31 = !MDLocation(line: 5, scope: !26, inlinedAt: !28)
!32 = !MDLocation(line: 10, scope: !4)