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55 lines
2.4 KiB
55 lines
2.4 KiB
; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; ModuleID = 'test.c'
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@GLB = common global i32 0, align 4
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define i32 @f() nounwind !dbg !5 {
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%LOC = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %LOC, metadata !15, metadata !DIExpression()), !dbg !17
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%1 = load i32, i32* @GLB, align 4, !dbg !18
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store i32 %1, i32* %LOC, align 4, !dbg !18
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%2 = load i32, i32* @GLB, align 4, !dbg !19
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ret i32 %2, !dbg !19
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!21}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk)", isOptimized: false, emissionKind: FullDebug, file: !20, enums: !1, retainedTypes: !1, globals: !12, imports: !1)
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!1 = !{}
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!5 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, file: !6, scope: !6, type: !7)
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!6 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo")
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{!14}
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!14 = !DIGlobalVariable(name: "GLB", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, variable: i32* @GLB)
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!15 = !DILocalVariable(name: "LOC", line: 4, scope: !16, file: !6, type: !9)
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!16 = distinct !DILexicalBlock(line: 3, column: 9, file: !20, scope: !5)
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!17 = !DILocation(line: 4, column: 9, scope: !16)
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!18 = !DILocation(line: 4, column: 23, scope: !16)
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!19 = !DILocation(line: 5, column: 5, scope: !16)
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!20 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo")
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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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!21 = !{i32 1, !"Debug Info Version", i32 3}
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