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2d2fd3219d
Moving the (original, x86-only) test to the X86 directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241162 91177308-0d34-0410-b5e6-96231b3b80d8
130 lines
4.8 KiB
LLVM
130 lines
4.8 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj -O0 < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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;; This test checks the following:
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;; 1. Useless lexical block entry is not emitted
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;; 2. Function static variable, typedef, records (structure, class and union)
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;; that are defined in lexical basic block are emitted as children to
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;; these lexical blocks.
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;; * For typedef and record check that both are emitted in lexical block
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;; where they are declared and not in the one where they are used.
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;;
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;; This test was generated by running following command:
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;; clang -cc1 -O0 -g -emit-llvm foo.cpp
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;; Where foo.cpp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;int foo(void) {
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;; {
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;; {
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;; struct X {
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;; int x;
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;; };
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;; typedef int Y;
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;; {
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;; X a;
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;; Y b;
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;; static int c;
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;; return a.x + b + c;
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;; }
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;; }
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;; }
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;;}
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "foo"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_lexical_block
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_structure_type
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_name {{.*}} "X"
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; CHECK: NULL
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_typedef
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_name {{.*}} "Y"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_lexical_block
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_variable
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_name {{.*}} "c"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_variable
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_name {{.*}} "a"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_variable
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_AT_name {{.*}} "b"
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; CHECK-NOT: {{DW_TAG}}
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; CHECK: NULL
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%struct.X = type { i32 }
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@_ZZ3foovE1c = internal global i32 0, align 4
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; Function Attrs: nounwind
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define i32 @_Z3foov() #0 {
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entry:
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%a = alloca %struct.X, align 4
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%b = alloca i32, align 4
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call void @llvm.dbg.declare(metadata %struct.X* %a, metadata !21, metadata !22), !dbg !23
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call void @llvm.dbg.declare(metadata i32* %b, metadata !24, metadata !22), !dbg !25
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%x = getelementptr inbounds %struct.X, %struct.X* %a, i32 0, i32 0, !dbg !26
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%0 = load i32, i32* %x, align 4, !dbg !26
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%1 = load i32, i32* %b, align 4, !dbg !26
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%add = add nsw i32 %0, %1, !dbg !26
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%2 = load i32, i32* @_ZZ3foovE1c, align 4, !dbg !26
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%add1 = add nsw i32 %add, %2, !dbg !26
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ret i32 %add1, !dbg !26
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!18, !19}
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!llvm.ident = !{!20}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.7.0 (trunk 237245)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !15, imports: !2)
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!1 = !DIFile(filename: "foo.cpp", directory: "/")
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!2 = !{}
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!3 = !{!4, !13}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !5, file: !1, line: 4, size: 32, align: 32, elements: !11)
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!5 = distinct !DILexicalBlock(scope: !6, file: !1, line: 3)
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!6 = distinct !DILexicalBlock(scope: !7, file: !1, line: 2)
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!7 = !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, function: i32 ()* @_Z3foov, variables: !2)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10}
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!10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!11 = !{!12}
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !4, file: !1, line: 5, baseType: !10, size: 32, align: 32)
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!13 = !DIDerivedType(tag: DW_TAG_typedef, name: "Y", scope: !5, file: !1, line: 7, baseType: !10)
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!14 = !{!7}
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!15 = !{!16}
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!16 = !DIGlobalVariable(name: "c", scope: !17, file: !1, line: 11, type: !10, isLocal: true, isDefinition: true, variable: i32* @_ZZ3foovE1c)
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!17 = distinct !DILexicalBlock(scope: !5, file: !1, line: 8)
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!18 = !{i32 2, !"Dwarf Version", i32 4}
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!19 = !{i32 2, !"Debug Info Version", i32 3}
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!20 = !{!"clang version 3.7.0 (trunk 237245)"}
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!21 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "a", scope: !17, file: !1, line: 9, type: !4)
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!22 = !DIExpression()
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!23 = !DILocation(line: 9, scope: !17)
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!24 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", scope: !17, file: !1, line: 10, type: !13)
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!25 = !DILocation(line: 10, scope: !17)
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!26 = !DILocation(line: 12, scope: !17)
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