63 lines
2.5 KiB
LLVM
63 lines
2.5 KiB
LLVM
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; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
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; ModuleID = 'test.c'
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source_filename = "test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll"
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@GLB = common global i32 0, align 4, !dbg !0
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; Function Attrs: nounwind
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define i32 @f() #0 !dbg !8 {
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%LOC = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %LOC, metadata !11, metadata !13), !dbg !14
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%1 = load i32, i32* @GLB, align 4, !dbg !15
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store i32 %1, i32* %LOC, align 4, !dbg !15
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%2 = load i32, i32* @GLB, align 4, !dbg !16
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ret i32 %2, !dbg !16
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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 }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!7}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "GLB", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 3.0 (trunk)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)
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!5 = !{}
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!6 = !{!0}
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!7 = !{i32 1, !"Debug Info Version", i32 3}
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!8 = distinct !DISubprogram(name: "f", scope: !2, file: !2, line: 3, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !4)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!3}
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!11 = !DILocalVariable(name: "LOC", scope: !12, file: !2, line: 4, type: !3)
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!12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 3, column: 9)
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!13 = !DIExpression()
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!14 = !DILocation(line: 4, column: 9, scope: !12)
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!15 = !DILocation(line: 4, column: 23, scope: !12)
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!16 = !DILocation(line: 5, column: 5, scope: !12)
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "GLB")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (1)
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "LOC")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (4)
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