1; RUN: llc -O0 %s -o - -filetype=obj \
2; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
3
4; This test serves as a baseline / sanity-check for stats-inlining-multi-cu.ll
5; The results for both tests should be identical.
6
7; CHECK:      "#functions": 4,
8; CHECK:      "#inlined functions": 2,
9; CHECK:      "#unique source variables": 4,
10; CHECK-NEXT: "#source variables": 6,
11; CHECK-NEXT: "#source variables with location": 6,
12
13;header.h:
14;extern "C" int getchar();
15;template<typename T> T __attribute__((always_inline)) inlined() {
16;  if (getchar()=='a') {
17;    int i = getchar();
18;    return i;
19;  } else {
20;    int i = 'a';
21;    return i;
22;  }
23;}
24;ab.cpp
25;#include <header.h>
26;int b();
27;int a() {
28;  int a = inlined<int>();
29;  return a+1;
30;}
31;
32;int b() {
33;  int b = inlined<int>();
34;  return b+1;
35;}
36;int main() {
37;  return a() + b();
38;}
39
40
41; ModuleID = 'a.cpp'
42source_filename = "a.cpp"
43target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
44target triple = "x86_64-apple-macosx10.14.0"
45
46; Function Attrs: noinline optnone ssp uwtable
47define i32 @_Z1av() #0 !dbg !8 {
48entry:
49  %retval.i = alloca i32, align 4
50  %i.i = alloca i32, align 4
51  call void @llvm.dbg.declare(metadata i32* %i.i, metadata !12, metadata !DIExpression()), !dbg !19
52  %i2.i = alloca i32, align 4
53  call void @llvm.dbg.declare(metadata i32* %i2.i, metadata !21, metadata !DIExpression()), !dbg !23
54  %a = alloca i32, align 4
55  call void @llvm.dbg.declare(metadata i32* %a, metadata !24, metadata !DIExpression()), !dbg !25
56  %call.i = call i32 @getchar(), !dbg !26
57  %cmp.i = icmp eq i32 %call.i, 97, !dbg !26
58  br i1 %cmp.i, label %if.then.i, label %if.else.i, !dbg !27
59
60if.then.i:                                        ; preds = %entry
61  %call1.i = call i32 @getchar(), !dbg !19
62  store i32 %call1.i, i32* %i.i, align 4, !dbg !19
63  %0 = load i32, i32* %i.i, align 4, !dbg !28
64  store i32 %0, i32* %retval.i, align 4, !dbg !28
65  br label %_Z7inlinedIiET_v.exit, !dbg !28
66
67if.else.i:                                        ; preds = %entry
68  store i32 97, i32* %i2.i, align 4, !dbg !23
69  %1 = load i32, i32* %i2.i, align 4, !dbg !29
70  store i32 %1, i32* %retval.i, align 4, !dbg !29
71  br label %_Z7inlinedIiET_v.exit, !dbg !29
72
73_Z7inlinedIiET_v.exit:                            ; preds = %if.then.i, %if.else.i
74  %2 = load i32, i32* %retval.i, align 4, !dbg !30
75  store i32 %2, i32* %a, align 4, !dbg !25
76  %3 = load i32, i32* %a, align 4, !dbg !31
77  %add = add nsw i32 %3, 1, !dbg !31
78  ret i32 %add, !dbg !31
79}
80
81; Function Attrs: nounwind readnone speculatable
82declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
83
84; Function Attrs: noinline optnone ssp uwtable
85define i32 @_Z1bv() #0 !dbg !32 {
86entry:
87  %retval.i = alloca i32, align 4
88  %i.i = alloca i32, align 4
89  call void @llvm.dbg.declare(metadata i32* %i.i, metadata !12, metadata !DIExpression()), !dbg !33
90  %i2.i = alloca i32, align 4
91  call void @llvm.dbg.declare(metadata i32* %i2.i, metadata !21, metadata !DIExpression()), !dbg !35
92  %b = alloca i32, align 4
93  call void @llvm.dbg.declare(metadata i32* %b, metadata !36, metadata !DIExpression()), !dbg !37
94  %call.i = call i32 @getchar(), !dbg !38
95  %cmp.i = icmp eq i32 %call.i, 97, !dbg !38
96  br i1 %cmp.i, label %if.then.i, label %if.else.i, !dbg !39
97
98if.then.i:                                        ; preds = %entry
99  %call1.i = call i32 @getchar(), !dbg !33
100  store i32 %call1.i, i32* %i.i, align 4, !dbg !33
101  %0 = load i32, i32* %i.i, align 4, !dbg !40
102  store i32 %0, i32* %retval.i, align 4, !dbg !40
103  br label %_Z7inlinedIiET_v.exit, !dbg !40
104
105if.else.i:                                        ; preds = %entry
106  store i32 97, i32* %i2.i, align 4, !dbg !35
107  %1 = load i32, i32* %i2.i, align 4, !dbg !41
108  store i32 %1, i32* %retval.i, align 4, !dbg !41
109  br label %_Z7inlinedIiET_v.exit, !dbg !41
110
111_Z7inlinedIiET_v.exit:                            ; preds = %if.then.i, %if.else.i
112  %2 = load i32, i32* %retval.i, align 4, !dbg !42
113  store i32 %2, i32* %b, align 4, !dbg !37
114  %3 = load i32, i32* %b, align 4, !dbg !43
115  %add = add nsw i32 %3, 1, !dbg !43
116  ret i32 %add, !dbg !43
117}
118
119; Function Attrs: noinline norecurse optnone ssp uwtable
120define i32 @main() #2 !dbg !44 {
121entry:
122  %retval = alloca i32, align 4
123  store i32 0, i32* %retval, align 4
124  %call = call i32 @_Z1av(), !dbg !45
125  %call1 = call i32 @_Z1bv(), !dbg !45
126  %add = add nsw i32 %call, %call1, !dbg !45
127  ret i32 %add, !dbg !45
128}
129
130declare i32 @getchar()
131
132attributes #0 = { noinline optnone ssp uwtable }
133attributes #1 = { nounwind readnone speculatable }
134attributes #2 = { noinline norecurse optnone ssp uwtable }
135
136!llvm.dbg.cu = !{!0}
137!llvm.module.flags = !{!3, !4, !5, !6}
138!llvm.ident = !{!7}
139
140!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 8.0.0 (trunk 340541) (llvm/trunk 340540)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
141!1 = !DIFile(filename: "a.cpp", directory: "/tmp")
142!2 = !{}
143!3 = !{i32 2, !"Dwarf Version", i32 4}
144!4 = !{i32 2, !"Debug Info Version", i32 3}
145!5 = !{i32 1, !"wchar_size", i32 4}
146!6 = !{i32 7, !"PIC Level", i32 2}
147!7 = !{!"clang version 8.0.0 (trunk 340541) (llvm/trunk 340540)"}
148!8 = distinct !DISubprogram(name: "a", linkageName: "_Z1av", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
149!9 = !DISubroutineType(types: !10)
150!10 = !{!11}
151!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
152!12 = !DILocalVariable(name: "i", scope: !13, file: !14, line: 4, type: !11)
153!13 = distinct !DILexicalBlock(scope: !15, file: !14, line: 3)
154!14 = !DIFile(filename: "./header.h", directory: "/tmp")
155!15 = distinct !DILexicalBlock(scope: !16, file: !14, line: 3)
156!16 = distinct !DISubprogram(name: "inlined<int>", linkageName: "_Z7inlinedIiET_v", scope: !14, file: !14, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, templateParams: !17, retainedNodes: !2)
157!17 = !{!18}
158!18 = !DITemplateTypeParameter(name: "T", type: !11)
159!19 = !DILocation(line: 4, scope: !13, inlinedAt: !20)
160!20 = distinct !DILocation(line: 4, scope: !8)
161!21 = !DILocalVariable(name: "i", scope: !22, file: !14, line: 7, type: !11)
162!22 = distinct !DILexicalBlock(scope: !15, file: !14, line: 6)
163!23 = !DILocation(line: 7, scope: !22, inlinedAt: !20)
164!24 = !DILocalVariable(name: "a", scope: !8, file: !1, line: 4, type: !11)
165!25 = !DILocation(line: 4, scope: !8)
166!26 = !DILocation(line: 3, scope: !15, inlinedAt: !20)
167!27 = !DILocation(line: 3, scope: !16, inlinedAt: !20)
168!28 = !DILocation(line: 5, scope: !13, inlinedAt: !20)
169!29 = !DILocation(line: 8, scope: !22, inlinedAt: !20)
170!30 = !DILocation(line: 10, scope: !16, inlinedAt: !20)
171!31 = !DILocation(line: 5, scope: !8)
172!32 = distinct !DISubprogram(name: "b", linkageName: "_Z1bv", scope: !1, file: !1, line: 8, type: !9, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
173!33 = !DILocation(line: 4, scope: !13, inlinedAt: !34)
174!34 = distinct !DILocation(line: 9, scope: !32)
175!35 = !DILocation(line: 7, scope: !22, inlinedAt: !34)
176!36 = !DILocalVariable(name: "b", scope: !32, file: !1, line: 9, type: !11)
177!37 = !DILocation(line: 9, scope: !32)
178!38 = !DILocation(line: 3, scope: !15, inlinedAt: !34)
179!39 = !DILocation(line: 3, scope: !16, inlinedAt: !34)
180!40 = !DILocation(line: 5, scope: !13, inlinedAt: !34)
181!41 = !DILocation(line: 8, scope: !22, inlinedAt: !34)
182!42 = !DILocation(line: 10, scope: !16, inlinedAt: !34)
183!43 = !DILocation(line: 10, scope: !32)
184!44 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 12, type: !9, isLocal: false, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
185!45 = !DILocation(line: 13, scope: !44)
186