1; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s | FileCheck %s --check-prefix=ASM
2; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
3
4; This C++ source should run and you should be able to step through the volatile
5; modifications to x in windbg.
6; # 1 "t.cpp" 2
7; volatile int x;
8;
9; # 1 "./t.h" 1
10; inline void f() {
11;   x += 3;
12; }
13; # 3 "t.cpp" 2
14; inline __forceinline void g() {
15;   x += 2;
16;   f();
17;   x += 2;
18; }
19; int main() {
20;   x += 1;
21;   g();
22;   x += 1;
23;   return x;
24; }
25
26; ASM: _main:                                  # @main
27; ASM: Lfunc_begin0:
28; ASM:         .cv_func_id 0
29; ASM: # %bb.0:                                 # %entry
30; ASM:         .cv_file        1 "D:\\src\\llvm\\build\\t.cpp"
31; ASM:         .cv_loc 0 1 9 5       # t.cpp:9:5
32; ASM:         incl    "?x@@3HC"
33; ASM:         .cv_inline_site_id 1 within 0 inlined_at 1 10 3
34; ASM:         .cv_loc 1 1 4 5                 # t.cpp:4:5
35; ASM:         addl    $2, "?x@@3HC"
36; ASM:         .cv_file        2 "D:\\src\\llvm\\build\\t.h"
37; ASM:         .cv_inline_site_id 2 within 1 inlined_at 1 5 3
38; ASM:         .cv_loc 2 2 2 5                 # ./t.h:2:5
39; ASM:         addl    $3, "?x@@3HC"
40; ASM:         .cv_loc 1 1 6 5                 # t.cpp:6:5
41; ASM:         addl    $2, "?x@@3HC"
42; ASM:         .cv_loc 0 1 11 5                # t.cpp:11:5
43; ASM:         incl    "?x@@3HC"
44; ASM:         .cv_loc 0 1 12 10               # t.cpp:12:10
45; ASM:         movl    "?x@@3HC", %eax
46; ASM:         .cv_loc 0 1 12 3                # t.cpp:12:3
47; ASM:         retl
48
49; OBJ: Subsection [
50; OBJ:   SubSectionType: InlineeLines (0xF6)
51; OBJ:   SubSectionSize: 0x1C
52; OBJ:   InlineeSourceLine {
53; OBJ:     Inlinee: g (0x1002)
54; OBJ:     FileID: D:\src\llvm\build\t.cpp (0x0)
55; OBJ:     SourceLineNum: 3
56; OBJ:   }
57; OBJ:   InlineeSourceLine {
58; OBJ:     Inlinee: f (0x1003)
59; OBJ:     FileID: D:\src\llvm\build\t.h (0x8)
60; OBJ:     SourceLineNum: 1
61; OBJ:   }
62; OBJ: ]
63
64; OBJ: Subsection [
65; OBJ:   SubSectionType: Symbols (0xF1)
66; OBJ:   {{.*}}Proc{{.*}}Sym {
67; OBJ:     Kind: S_GPROC32_ID (0x1147)
68; OBJ:     FunctionType: main (0x1005)
69; OBJ:     CodeOffset: _main+0x0
70; OBJ:     Segment: 0x0
71; OBJ:     Flags [ (0x0)
72; OBJ:     ]
73; OBJ:     DisplayName: main
74; OBJ:     LinkageName: _main
75; OBJ:   }
76
77; Previously, g's InlineSiteSym referenced t.h, which was wasteful.
78; OBJ:        InlineSiteSym {
79; OBJ:          Inlinee: g (0x1002)
80; OBJ:          BinaryAnnotations [
81; OBJ-NEXT:       ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x6, LineOffset: 1}
82; OBJ-NEXT:       ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
83; OBJ-NEXT:       ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}
84; OBJ-NEXT:       ChangeCodeLength: 0x7
85; OBJ-NEXT:     ]
86; OBJ:        }
87
88; OBJ:   InlineSiteSym {
89; OBJ:     Inlinee: f (0x1003)
90; OBJ:     BinaryAnnotations [
91; OBJ-NEXT:  ChangeCodeOffsetAndLineOffset: {CodeOffset: 0xD, LineOffset: 1}
92; OBJ-NEXT:  ChangeCodeLength: 0x7
93; OBJ-NEXT:]
94; OBJ:   }
95; OBJ:   InlineSiteEnd {
96; OBJ:   }
97; OBJ:   InlineSiteEnd {
98; OBJ:   }
99; OBJ:   ProcEnd {
100; OBJ:   }
101; OBJ: ]
102
103; ModuleID = 't.cpp'
104source_filename = "t.cpp"
105target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
106target triple = "x86_64-pc-windows-msvc19.0.24210"
107
108@"\01?x@@3HC" = global i32 0, align 4, !dbg !0
109
110; Function Attrs: norecurse nounwind uwtable
111define i32 @main() local_unnamed_addr #0 !dbg !12 {
112entry:
113  %0 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16
114  %add = add nsw i32 %0, 1, !dbg !15
115  store volatile i32 %add, i32* @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16
116  %1 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16
117  %add.i = add nsw i32 %1, 2, !dbg !20
118  store volatile i32 %add.i, i32* @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16
119  %2 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16
120  %add.i.i = add nsw i32 %2, 3, !dbg !25
121  store volatile i32 %add.i.i, i32* @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16
122  %3 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16
123  %add1.i = add nsw i32 %3, 2, !dbg !29
124  store volatile i32 %add1.i, i32* @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16
125  %4 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16
126  %add1 = add nsw i32 %4, 1, !dbg !30
127  store volatile i32 %add1, i32* @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16
128  %5 = load volatile i32, i32* @"\01?x@@3HC", align 4, !dbg !31, !tbaa !16
129  ret i32 %5, !dbg !32
130}
131
132attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
133
134!llvm.dbg.cu = !{!2}
135!llvm.module.flags = !{!8, !9, !10}
136!llvm.ident = !{!11}
137
138!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
139!1 = !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
140!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
141!3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
142!4 = !{}
143!5 = !{!0}
144!6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
145!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
146!8 = !{i32 2, !"CodeView", i32 1}
147!9 = !{i32 2, !"Debug Info Version", i32 3}
148!10 = !{i32 1, !"PIC Level", i32 2}
149!11 = !{!"clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)"}
150!12 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 8, type: !13, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
151!13 = !DISubroutineType(types: !14)
152!14 = !{!7}
153!15 = !DILocation(line: 9, column: 5, scope: !12)
154!16 = !{!17, !17, i64 0}
155!17 = !{!"int", !18, i64 0}
156!18 = !{!"omnipotent char", !19, i64 0}
157!19 = !{!"Simple C++ TBAA"}
158!20 = !DILocation(line: 4, column: 5, scope: !21, inlinedAt: !24)
159!21 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !3, file: !3, line: 3, type: !22, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
160!22 = !DISubroutineType(types: !23)
161!23 = !{null}
162!24 = distinct !DILocation(line: 10, column: 3, scope: !12)
163!25 = !DILocation(line: 2, column: 5, scope: !26, inlinedAt: !28)
164!26 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !27, file: !27, line: 1, type: !22, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)
165!27 = !DIFile(filename: "./t.h", directory: "D:\5Csrc\5Cllvm\5Cbuild")
166!28 = distinct !DILocation(line: 5, column: 3, scope: !21, inlinedAt: !24)
167!29 = !DILocation(line: 6, column: 5, scope: !21, inlinedAt: !24)
168!30 = !DILocation(line: 11, column: 5, scope: !12)
169!31 = !DILocation(line: 12, column: 10, scope: !12)
170!32 = !DILocation(line: 12, column: 3, scope: !12)
171
172