xref: /llvm-project/llvm/test/DebugInfo/Generic/inline-debug-info.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898) 
1; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
2
3; Created from source
4;
5;
6;  1 // test.cpp
7;  2 extern int global_var;
8;  3 extern int test_ext(int k);
9;  4 int test (int k) {
10;  5   int k2 = test_ext(k);
11;  6   if (k2 > 100)
12;  7     return k2;
13;  8   return 0;
14;  9 }
15; 10
16; 11 int test2() {
17; 12   try
18; 13   {
19; 14     test(global_var);
20; 15   }
21; 16   catch (int e) {
22; 17     global_var = 0;
23; 18   }
24; 19   global_var = 1;
25; 20   return 0;
26; 21 }
27
28; CHECK: _Z4testi.exit:
29; Make sure the branch instruction created during inlining has a debug location,
30; so the range of the inlined function is correct.
31; CHECK: br label %invoke.cont, !dbg [[MD:![0-9]+]]
32; The branch instruction has the source location of line 9 and its inlined location
33; has the source location of line 14.
34; CHECK: [[INL:![0-9]*]] = distinct !DILocation(line: 14, scope: {{.*}})
35; CHECK: [[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: [[INL]])
36
37; ModuleID = 'test.cpp'
38target 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"
39target triple = "x86_64-apple-darwin12.0.0"
40
41@_ZTIi = external constant ptr
42@global_var = external global i32
43
44define i32 @_Z4testi(i32 %k)  !dbg !4 {
45entry:
46  %retval = alloca i32, align 4
47  %k.addr = alloca i32, align 4
48  %k2 = alloca i32, align 4
49  store i32 %k, ptr %k.addr, align 4
50  call void @llvm.dbg.declare(metadata ptr %k.addr, metadata !13, metadata !DIExpression()), !dbg !14
51  call void @llvm.dbg.declare(metadata ptr %k2, metadata !15, metadata !DIExpression()), !dbg !16
52  %0 = load i32, ptr %k.addr, align 4, !dbg !16
53  %call = call i32 @_Z8test_exti(i32 %0), !dbg !16
54  store i32 %call, ptr %k2, align 4, !dbg !16
55  %1 = load i32, ptr %k2, align 4, !dbg !17
56  %cmp = icmp sgt i32 %1, 100, !dbg !17
57  br i1 %cmp, label %if.then, label %if.end, !dbg !17
58
59if.then:                                          ; preds = %entry
60  %2 = load i32, ptr %k2, align 4, !dbg !18
61  store i32 %2, ptr %retval, !dbg !18
62  br label %return, !dbg !18
63
64if.end:                                           ; preds = %entry
65  store i32 0, ptr %retval, !dbg !19
66  br label %return, !dbg !19
67
68return:                                           ; preds = %if.end, %if.then
69  %3 = load i32, ptr %retval, !dbg !20
70  ret i32 %3, !dbg !20
71}
72
73; Function Attrs: nounwind readnone
74declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
75
76declare i32 @_Z8test_exti(i32)
77
78define i32 @_Z5test2v() personality ptr @__gxx_personality_v0 !dbg !10 {
79entry:
80  %exn.slot = alloca ptr
81  %ehselector.slot = alloca i32
82  %e = alloca i32, align 4
83  %0 = load i32, ptr @global_var, align 4, !dbg !21
84  %call = invoke i32 @_Z4testi(i32 %0)
85          to label %invoke.cont unwind label %lpad, !dbg !21
86
87invoke.cont:                                      ; preds = %entry
88  br label %try.cont, !dbg !23
89
90lpad:                                             ; preds = %entry
91  %1 = landingpad { ptr, i32 }
92          catch ptr @_ZTIi, !dbg !21
93  %2 = extractvalue { ptr, i32 } %1, 0, !dbg !21
94  store ptr %2, ptr %exn.slot, !dbg !21
95  %3 = extractvalue { ptr, i32 } %1, 1, !dbg !21
96  store i32 %3, ptr %ehselector.slot, !dbg !21
97  br label %catch.dispatch, !dbg !21
98
99catch.dispatch:                                   ; preds = %lpad
100  %sel = load i32, ptr %ehselector.slot, !dbg !23
101  %4 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) #2, !dbg !23
102  %matches = icmp eq i32 %sel, %4, !dbg !23
103  br i1 %matches, label %catch, label %eh.resume, !dbg !23
104
105catch:                                            ; preds = %catch.dispatch
106  call void @llvm.dbg.declare(metadata ptr %e, metadata !24, metadata !DIExpression()), !dbg !25
107  %exn = load ptr, ptr %exn.slot, !dbg !23
108  %5 = call ptr @__cxa_begin_catch(ptr %exn) #2, !dbg !23
109  %6 = load i32, ptr %5, align 4, !dbg !23
110  store i32 %6, ptr %e, align 4, !dbg !23
111  store i32 0, ptr @global_var, align 4, !dbg !26
112  call void @__cxa_end_catch() #2, !dbg !28
113  br label %try.cont, !dbg !28
114
115try.cont:                                         ; preds = %catch, %invoke.cont
116  store i32 1, ptr @global_var, align 4, !dbg !29
117  ret i32 0, !dbg !30
118
119eh.resume:                                        ; preds = %catch.dispatch
120  %exn1 = load ptr, ptr %exn.slot, !dbg !23
121  %sel2 = load i32, ptr %ehselector.slot, !dbg !23
122  %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn1, 0, !dbg !23
123  %lpad.val3 = insertvalue { ptr, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
124  resume { ptr, i32 } %lpad.val3, !dbg !23
125}
126
127declare i32 @__gxx_personality_v0(...)
128
129; Function Attrs: nounwind readnone
130declare i32 @llvm.eh.typeid.for(ptr) #1
131
132declare ptr @__cxa_begin_catch(ptr)
133
134declare void @__cxa_end_catch()
135
136attributes #1 = { nounwind readnone }
137attributes #2 = { nounwind }
138
139!llvm.dbg.cu = !{!0}
140!llvm.module.flags = !{!31}
141
142!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)
143!1 = !DIFile(filename: "<unknown>", directory: "")
144!2 = !{}
145!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)
146!5 = !DIFile(filename: "test.cpp", directory: "")
147!6 = !DIFile(filename: "test.cpp", directory: "")
148!7 = !DISubroutineType(types: !8)
149!8 = !{!9, !9}
150!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
151!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)
152!11 = !DISubroutineType(types: !12)
153!12 = !{!9}
154!13 = !DILocalVariable(name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9)
155!14 = !DILocation(line: 4, scope: !4)
156!15 = !DILocalVariable(name: "k2", line: 5, scope: !4, file: !6, type: !9)
157!16 = !DILocation(line: 5, scope: !4)
158!17 = !DILocation(line: 6, scope: !4)
159!18 = !DILocation(line: 7, scope: !4)
160!19 = !DILocation(line: 8, scope: !4)
161!20 = !DILocation(line: 9, scope: !4)
162!21 = !DILocation(line: 14, scope: !22)
163!22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10)
164!23 = !DILocation(line: 15, scope: !22)
165!24 = !DILocalVariable(name: "e", line: 16, scope: !10, file: !6, type: !9)
166!25 = !DILocation(line: 16, scope: !10)
167!26 = !DILocation(line: 17, scope: !27)
168!27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10)
169!28 = !DILocation(line: 18, scope: !27)
170!29 = !DILocation(line: 19, scope: !10)
171!30 = !DILocation(line: 20, scope: !10)
172!31 = !{i32 1, !"Debug Info Version", i32 3}
173