• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s
2target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
3target triple = "i686-pc-windows-msvc18.0.0"
4
5; C++ source to regenerate:
6; $ cat t.cpp
7; void f() {
8;   typedef int FOO;
9;   FOO f;
10; }
11;
12; struct S { int x; };
13; float g(S *s) {
14;   union pun { int x; float f; } p;
15;   p.x = s->x;
16;   return p.f;
17; }
18; typedef struct { int x; } U;
19; U u;
20
21; CHECK:      ProcStart {
22; CHECK:        DisplayName: f
23; CHECK:        LinkageName: ?f@@YAXXZ
24; CHECK:      }
25; CHECK:      UDT {
26; CHECK-NEXT:   Type: int (0x74)
27; CHECK-NEXT:   UDTName: f::FOO
28; CHECK-NEXT: }
29; CHECK-NEXT: ProcEnd {
30; CHECK-NEXT: }
31
32; CHECK:      ProcStart {
33; CHECK:        DisplayName: g
34; CHECK:        LinkageName: ?g@@YAMPEAUS@@@Z
35; CHECK:      }
36; CHECK:      UDT {
37; CHECK-NEXT:   Type: g::pun (0x{{[0-9A-F]+}})
38; CHECK-NEXT:   UDTName: g::pun
39; CHECK-NEXT: }
40; CHECK-NEXT: ProcEnd {
41; CHECK-NEXT: }
42
43; CHECK:      Subsection
44; CHECK-NOT:  ProcStart
45; CHECK:      UDT {
46; CHECK-NEXT: Type: S (0x{{[0-9A-F]+}})
47; CHECK-NEXT: UDTName: S
48; CHECK:      UDT {
49; CHECK-NEXT: Type: <unnamed-tag> (0x{{[0-9A-F]+}})
50; CHECK-NEXT: UDTName: U
51; CHECK-NOT: UDT {
52
53
54%struct.U = type { i32 }
55%struct.S = type { i32 }
56%union.pun = type { i32 }
57
58@"\01?u@@3UU@@A" = global %struct.U zeroinitializer, align 4
59
60; Function Attrs: nounwind uwtable
61define void @"\01?f@@YAXXZ"() #0 !dbg !14 {
62entry:
63  %f = alloca i32, align 4
64  call void @llvm.dbg.declare(metadata i32* %f, metadata !17, metadata !19), !dbg !20
65  ret void, !dbg !21
66}
67
68; Function Attrs: nounwind readnone
69declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
70
71; Function Attrs: nounwind uwtable
72define float @"\01?g@@YAMPEAUS@@@Z"(%struct.S* %s) #0 !dbg !22 {
73entry:
74  %s.addr = alloca %struct.S*, align 8
75  %p = alloca %union.pun, align 4
76  store %struct.S* %s, %struct.S** %s.addr, align 8
77  call void @llvm.dbg.declare(metadata %struct.S** %s.addr, metadata !30, metadata !19), !dbg !31
78  call void @llvm.dbg.declare(metadata %union.pun* %p, metadata !32, metadata !19), !dbg !37
79  %0 = load %struct.S*, %struct.S** %s.addr, align 8, !dbg !38
80  %x = getelementptr inbounds %struct.S, %struct.S* %0, i32 0, i32 0, !dbg !39
81  %1 = load i32, i32* %x, align 4, !dbg !39
82  %x1 = bitcast %union.pun* %p to i32*, !dbg !40
83  store i32 %1, i32* %x1, align 4, !dbg !41
84  %f = bitcast %union.pun* %p to float*, !dbg !42
85  %2 = load float, float* %f, align 4, !dbg !42
86  ret float %2, !dbg !43
87}
88
89attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
90attributes #1 = { nounwind readnone }
91
92!llvm.dbg.cu = !{!0}
93!llvm.module.flags = !{!10, !11, !12}
94!llvm.ident = !{!13}
95
96!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
97!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
98!2 = !{}
99!3 = !{!4}
100!4 = distinct !DIGlobalVariable(name: "u", linkageName: "\01?u@@3UU@@A", scope: !0, file: !1, line: 13, type: !5, isLocal: false, isDefinition: true, variable: %struct.U* @"\01?u@@3UU@@A")
101!5 = !DIDerivedType(tag: DW_TAG_typedef, name: "U", file: !1, line: 12, baseType: !6)
102!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 12, size: 32, align: 32, elements: !7, identifier: ".?AUU@@")
103!7 = !{!8}
104!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !1, line: 12, baseType: !9, size: 32, align: 32)
105!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
106!10 = !{i32 2, !"CodeView", i32 1}
107!11 = !{i32 2, !"Debug Info Version", i32 3}
108!12 = !{i32 1, !"PIC Level", i32 2}
109!13 = !{!"clang version 3.9.0 "}
110!14 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !1, file: !1, line: 1, type: !15, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
111!15 = !DISubroutineType(types: !16)
112!16 = !{null}
113!17 = !DILocalVariable(name: "f", scope: !14, file: !1, line: 3, type: !18)
114!18 = !DIDerivedType(tag: DW_TAG_typedef, name: "FOO", scope: !14, file: !1, line: 2, baseType: !9)
115!19 = !DIExpression()
116!20 = !DILocation(line: 3, column: 7, scope: !14)
117!21 = !DILocation(line: 4, column: 1, scope: !14)
118!22 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAMPEAUS@@@Z", scope: !1, file: !1, line: 7, type: !23, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
119!23 = !DISubroutineType(types: !24)
120!24 = !{!25, !26}
121!25 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
122!26 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !27, size: 64, align: 64)
123!27 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, line: 6, size: 32, align: 32, elements: !28, identifier: ".?AUS@@")
124!28 = !{!29}
125!29 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !27, file: !1, line: 6, baseType: !9, size: 32, align: 32)
126!30 = !DILocalVariable(name: "s", arg: 1, scope: !22, file: !1, line: 7, type: !26)
127!31 = !DILocation(line: 7, column: 12, scope: !22)
128!32 = !DILocalVariable(name: "p", scope: !22, file: !1, line: 8, type: !33)
129!33 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "pun", scope: !22, file: !1, line: 8, size: 32, align: 32, elements: !34)
130!34 = !{!35, !36}
131!35 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !33, file: !1, line: 8, baseType: !9, size: 32, align: 32)
132!36 = !DIDerivedType(tag: DW_TAG_member, name: "f", scope: !33, file: !1, line: 8, baseType: !25, size: 32, align: 32)
133!37 = !DILocation(line: 8, column: 33, scope: !22)
134!38 = !DILocation(line: 9, column: 9, scope: !22)
135!39 = !DILocation(line: 9, column: 12, scope: !22)
136!40 = !DILocation(line: 9, column: 5, scope: !22)
137!41 = !DILocation(line: 9, column: 7, scope: !22)
138!42 = !DILocation(line: 10, column: 12, scope: !22)
139!43 = !DILocation(line: 10, column: 3, scope: !22)
140