1 ; RUN: llc < %s | FileCheck %s --check-prefix=ASM
2 ; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ
4 ; C++ source to regenerate:
7 ; Foo(Foo &&other) { x = other.x; }
10 ; void some_function(int);
14 ; some_function(foo.x);
22 ; $ clang t.cpp -S -emit-llvm -g -o t.ll
24 ; ASM-LABEL: .long 241 # Symbol subsection for GetFoo
25 ; ASM: .short 4414 # Record kind: S_LOCAL
26 ; ASM-NEXT: .long 4113 # TypeIndex
27 ; ASM-NEXT: .short 0 # Flags
28 ; ASM-NEXT: .asciz "foo"
29 ; ASM-NEXT: .p2align 2
31 ; ASM: .cv_def_range .Ltmp{{.*}} .Ltmp{{.*}}, frame_ptr_rel, 40
34 ; OBJ: SubSectionType: Symbols (0xF1)
36 ; OBJ: Kind: S_LOCAL (0x113E)
37 ; OBJ: Type: Foo& (0x1011)
42 ; OBJ: DefRangeFramePointerRelSym {
43 ; OBJ: Kind: S_DEFRANGE_FRAMEPOINTER_REL (0x1142)
45 ; OBJ: LocalVariableAddrRange {
46 ; OBJ: OffsetStart: .text+0x1D
47 ; OBJ: ISectStart: 0x0
52 source_filename = "t.cpp"
53 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
54 target triple = "x86_64-pc-windows-msvc19.16.27030"
56 %struct.Foo = type { i32 }
58 ; Function Attrs: noinline nounwind optnone uwtable
59 define dso_local void @"?some_function@@YAXH@Z"(i32) #0 !dbg !8 {
61 %.addr = alloca i32, align 4
62 store i32 %0, i32* %.addr, align 4
63 call void @llvm.dbg.declare(metadata i32* %.addr, metadata !12, metadata !DIExpression()), !dbg !13
67 ; Function Attrs: nounwind readnone speculatable
68 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
70 ; Function Attrs: noinline nounwind optnone uwtable
71 define dso_local void @"?GetFoo@@YA?AUFoo@@XZ"(%struct.Foo* noalias sret %agg.result) #0 !dbg !14 {
73 %result.ptr = alloca i8*, align 8
74 %0 = bitcast %struct.Foo* %agg.result to i8*
75 store i8* %0, i8** %result.ptr, align 8
76 call void @llvm.dbg.declare(metadata i8** %result.ptr, metadata !28, metadata !DIExpression(DW_OP_deref)), !dbg !29
77 %x = getelementptr inbounds %struct.Foo, %struct.Foo* %agg.result, i32 0, i32 0, !dbg !30
78 store i32 41, i32* %x, align 4, !dbg !30
79 %x1 = getelementptr inbounds %struct.Foo, %struct.Foo* %agg.result, i32 0, i32 0, !dbg !31
80 %1 = load i32, i32* %x1, align 4, !dbg !31
81 call void @"?some_function@@YAXH@Z"(i32 %1), !dbg !31
85 ; Function Attrs: noinline norecurse nounwind optnone uwtable
86 define dso_local i32 @main() #2 !dbg !33 {
88 %retval = alloca i32, align 4
89 %bar = alloca %struct.Foo, align 4
90 store i32 0, i32* %retval, align 4
91 call void @llvm.dbg.declare(metadata %struct.Foo* %bar, metadata !36, metadata !DIExpression()), !dbg !37
92 call void @"?GetFoo@@YA?AUFoo@@XZ"(%struct.Foo* sret %bar), !dbg !37
93 %x = getelementptr inbounds %struct.Foo, %struct.Foo* %bar, i32 0, i32 0, !dbg !38
94 %0 = load i32, i32* %x, align 4, !dbg !38
98 attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
99 attributes #1 = { nounwind readnone speculatable }
100 attributes #2 = { noinline norecurse nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
103 !llvm.module.flags = !{!3, !4, !5, !6}
106 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git c19ebebac4bf853e77a69c74abe9f7fce98c1d17)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
107 !1 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Ctesting\5Cnrvo", checksumkind: CSK_MD5, checksum: "52a5a20c02c102dfd255d5615680a8bd")
109 !3 = !{i32 2, !"CodeView", i32 1}
110 !4 = !{i32 2, !"Debug Info Version", i32 3}
111 !5 = !{i32 1, !"wchar_size", i32 2}
112 !6 = !{i32 7, !"PIC Level", i32 2}
113 !7 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git c19ebebac4bf853e77a69c74abe9f7fce98c1d17)"}
114 !8 = distinct !DISubprogram(name: "some_function", linkageName: "?some_function@@YAXH@Z", scope: !1, file: !1, line: 13, type: !9, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
115 !9 = !DISubroutineType(types: !10)
117 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
118 !12 = !DILocalVariable(arg: 1, scope: !8, file: !1, line: 13, type: !11)
119 !13 = !DILocation(line: 13, scope: !8)
120 !14 = distinct !DISubprogram(name: "GetFoo", linkageName: "?GetFoo@@YA?AUFoo@@XZ", scope: !1, file: !1, line: 15, type: !15, scopeLine: 15, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
121 !15 = !DISubroutineType(types: !16)
123 !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !1, line: 1, size: 32, flags: DIFlagTypePassByReference | DIFlagNonTrivial, elements: !18, identifier: ".?AUFoo@@")
124 !18 = !{!19, !20, !24}
125 !19 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !17, file: !1, line: 4, baseType: !11, size: 32)
126 !20 = !DISubprogram(name: "Foo", scope: !17, file: !1, line: 2, type: !21, scopeLine: 2, flags: DIFlagPrototyped, spFlags: 0)
127 !21 = !DISubroutineType(types: !22)
129 !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
130 !24 = !DISubprogram(name: "Foo", scope: !17, file: !1, line: 3, type: !25, scopeLine: 3, flags: DIFlagPrototyped, spFlags: 0)
131 !25 = !DISubroutineType(types: !26)
132 !26 = !{null, !23, !27}
133 !27 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !17, size: 64)
134 !28 = !DILocalVariable(name: "foo", scope: !14, file: !1, line: 17, type: !17)
135 !29 = !DILocation(line: 17, scope: !14)
136 !30 = !DILocation(line: 18, scope: !14)
137 !31 = !DILocation(line: 19, scope: !14)
138 !32 = !DILocation(line: 21, scope: !14)
139 !33 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 23, type: !34, scopeLine: 23, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
140 !34 = !DISubroutineType(types: !35)
142 !36 = !DILocalVariable(name: "bar", scope: !33, file: !1, line: 24, type: !17)
143 !37 = !DILocation(line: 24, scope: !33)
144 !38 = !DILocation(line: 25, scope: !33)