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| 1 | +; RUN: llc < %s | FileCheck %s --check-prefix=ASM |
| 2 | +; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ |
| 3 | + |
| 4 | +; C++ source to regenerate: |
| 5 | +; struct Foo { |
| 6 | +; Foo() = default; |
| 7 | +; Foo(Foo &&other) { x = other.x; } |
| 8 | +; int x; |
| 9 | +; }; |
| 10 | +; void some_function(int); |
| 11 | +; Foo getFoo() { |
| 12 | +; Foo foo; |
| 13 | +; foo.x = 41; |
| 14 | +; some_function(foo.x); |
| 15 | +; return foo; |
| 16 | +; } |
| 17 | +; |
| 18 | +; int main() { |
| 19 | +; Foo bar = getFoo(); |
| 20 | +; return bar.x; |
| 21 | +; } |
| 22 | +; $ clang t.cpp -S -emit-llvm -g -o t.ll |
| 23 | + |
| 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 |
| 30 | +; ASM-NEXT: .Ltmp |
| 31 | +; ASM: .cv_def_range .Ltmp{{.*}} .Ltmp{{.*}}, frame_ptr_rel, 40 |
| 32 | + |
| 33 | +; OBJ: Subsection [ |
| 34 | +; OBJ: SubSectionType: Symbols (0xF1) |
| 35 | +; OBJ: LocalSym { |
| 36 | +; OBJ: Kind: S_LOCAL (0x113E) |
| 37 | +; OBJ: Type: Foo& (0x1011) |
| 38 | +; OBJ: Flags [ (0x0) |
| 39 | +; OBJ: ] |
| 40 | +; OBJ: VarName: foo |
| 41 | +; OBJ: } |
| 42 | +; OBJ: DefRangeFramePointerRelSym { |
| 43 | +; OBJ: Kind: S_DEFRANGE_FRAMEPOINTER_REL (0x1142) |
| 44 | +; OBJ: Offset: 40 |
| 45 | +; OBJ: LocalVariableAddrRange { |
| 46 | +; OBJ: OffsetStart: .text+0x1D |
| 47 | +; OBJ: ISectStart: 0x0 |
| 48 | +; OBJ: Range: 0x16 |
| 49 | +; OBJ: } |
| 50 | + |
| 51 | +; ModuleID = 't.cpp' |
| 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" |
| 55 | + |
| 56 | +%struct.Foo = type { i32 } |
| 57 | + |
| 58 | +; Function Attrs: noinline nounwind optnone uwtable |
| 59 | +define dso_local void @"?some_function@@YAXH@Z"(i32) #0 !dbg !8 { |
| 60 | +entry: |
| 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 |
| 64 | + ret void, !dbg !13 |
| 65 | +} |
| 66 | + |
| 67 | +; Function Attrs: nounwind readnone speculatable |
| 68 | +declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| 69 | + |
| 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 { |
| 72 | +entry: |
| 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 |
| 82 | + ret void, !dbg !32 |
| 83 | +} |
| 84 | + |
| 85 | +; Function Attrs: noinline norecurse nounwind optnone uwtable |
| 86 | +define dso_local i32 @main() #2 !dbg !33 { |
| 87 | +entry: |
| 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 |
| 95 | + ret i32 %0, !dbg !38 |
| 96 | +} |
| 97 | + |
| 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" } |
| 101 | + |
| 102 | +!llvm.dbg.cu = !{!0} |
| 103 | +!llvm.module.flags = !{!3, !4, !5, !6} |
| 104 | +!llvm.ident = !{!7} |
| 105 | + |
| 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") |
| 108 | +!2 = !{} |
| 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) |
| 116 | +!10 = !{null, !11} |
| 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) |
| 122 | +!16 = !{!17} |
| 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) |
| 128 | +!22 = !{null, !23} |
| 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) |
| 141 | +!35 = !{!11} |
| 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) |
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