aboutsummaryrefslogtreecommitdiffstats
path: root/test/DebugInfo/inline-debug-info.ll
blob: 43a55543d582c12ee90faab9e22f08736945ec7b (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
; RUN: opt -inline -S < %s | FileCheck %s

; Created from source
;
;
;  1 // test.cpp
;  2 extern int global_var;
;  3 extern int test_ext(int k);
;  4 int test (int k) {
;  5   int k2 = test_ext(k);
;  6   if (k2 > 100)
;  7     return k2;
;  8   return 0;
;  9 }
; 10
; 11 int test2() {
; 12   try
; 13   {
; 14     test(global_var);
; 15   }
; 16   catch (int e) {
; 17     global_var = 0;
; 18   }
; 19   global_var = 1;
; 20   return 0;
; 21 }

; CHECK: _Z4testi.exit:
; Make sure the branch instruction created during inlining has a debug location,
; so the range of the inlined function is correct.
; CHECK: br label %invoke.cont, !dbg ![[MD:[0-9]+]]
; 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]+]] = metadata !{i32 14, i32 0, metadata {{.*}}, null}
; CHECK: ![[MD]] = metadata !{i32 9, i32 0, metadata {{.*}}, metadata ![[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 i8*
@global_var = external global i32

define i32 @_Z4testi(i32 %k)  {
entry:
  %retval = alloca i32, align 4
  %k.addr = alloca i32, align 4
  %k2 = alloca i32, align 4
  store i32 %k, i32* %k.addr, align 4
  call void @llvm.dbg.declare(metadata !{i32* %k.addr}, metadata !13), !dbg !14
  call void @llvm.dbg.declare(metadata !{i32* %k2}, metadata !15), !dbg !16
  %0 = load i32* %k.addr, align 4, !dbg !16
  %call = call i32 @_Z8test_exti(i32 %0), !dbg !16
  store i32 %call, i32* %k2, align 4, !dbg !16
  %1 = load i32* %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* %k2, align 4, !dbg !18
  store i32 %2, i32* %retval, !dbg !18
  br label %return, !dbg !18

if.end:                                           ; preds = %entry
  store i32 0, i32* %retval, !dbg !19
  br label %return, !dbg !19

return:                                           ; preds = %if.end, %if.then
  %3 = load i32* %retval, !dbg !20
  ret i32 %3, !dbg !20
}

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

declare i32 @_Z8test_exti(i32)

define i32 @_Z5test2v()  {
entry:
  %exn.slot = alloca i8*
  %ehselector.slot = alloca i32
  %e = alloca i32, align 4
  %0 = load i32* @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 { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
          catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21
  %2 = extractvalue { i8*, i32 } %1, 0, !dbg !21
  store i8* %2, i8** %exn.slot, !dbg !21
  %3 = extractvalue { i8*, i32 } %1, 1, !dbg !21
  store i32 %3, i32* %ehselector.slot, !dbg !21
  br label %catch.dispatch, !dbg !21

catch.dispatch:                                   ; preds = %lpad
  %sel = load i32* %ehselector.slot, !dbg !23
  %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #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 !{i32* %e}, metadata !24), !dbg !25
  %exn = load i8** %exn.slot, !dbg !23
  %5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23
  %6 = bitcast i8* %5 to i32*, !dbg !23
  %7 = load i32* %6, align 4, !dbg !23
  store i32 %7, i32* %e, align 4, !dbg !23
  store i32 0, i32* @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, i32* @global_var, align 4, !dbg !29
  ret i32 0, !dbg !30

eh.resume:                                        ; preds = %catch.dispatch
  %exn1 = load i8** %exn.slot, !dbg !23
  %sel2 = load i32* %ehselector.slot, !dbg !23
  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23
  %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
  resume { i8*, i32 } %lpad.val3, !dbg !23
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #1

declare i8* @__cxa_begin_catch(i8*)

declare void @__cxa_end_catch()

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

!llvm.dbg.cu = !{!0}

!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"<unknown>", metadata !""}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4, metadata !10}
!4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test", metadata !"test", metadata !"_Z4testi", i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4testi, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [test]
!5 = metadata !{metadata !"test.cpp", metadata !""}
!6 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [test.cpp]
!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !9, metadata !9}
!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"test2", metadata !"test2", metadata !"_Z5test2v", i32 11, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z5test2v, null, null, metadata !2, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [test2]
!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!12 = metadata !{metadata !9}
!13 = metadata !{i32 786689, metadata !4, metadata !"k", metadata !6, i32 16777220, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [k] [line 4]
!14 = metadata !{i32 4, i32 0, metadata !4, null}
!15 = metadata !{i32 786688, metadata !4, metadata !"k2", metadata !6, i32 5, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [k2] [line 5]
!16 = metadata !{i32 5, i32 0, metadata !4, null}
!17 = metadata !{i32 6, i32 0, metadata !4, null}
!18 = metadata !{i32 7, i32 0, metadata !4, null}
!19 = metadata !{i32 8, i32 0, metadata !4, null}
!20 = metadata !{i32 9, i32 0, metadata !4, null}
!21 = metadata !{i32 14, i32 0, metadata !22, null}
!22 = metadata !{i32 786443, metadata !5, metadata !10, i32 13, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [test.cpp]
!23 = metadata !{i32 15, i32 0, metadata !22, null}
!24 = metadata !{i32 786688, metadata !10, metadata !"e", metadata !6, i32 16, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 16]
!25 = metadata !{i32 16, i32 0, metadata !10, null}
!26 = metadata !{i32 17, i32 0, metadata !27, null}
!27 = metadata !{i32 786443, metadata !5, metadata !10, i32 16, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [test.cpp]
!28 = metadata !{i32 18, i32 0, metadata !27, null}
!29 = metadata !{i32 19, i32 0, metadata !10, null}
!30 = metadata !{i32 20, i32 0, metadata !10, null}