1 ; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj 2 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s 3 4 ; ModuleID = 'test.c' 5 6 @GLB = common global i32 0, align 4 7 8 define i32 @f() nounwind !dbg !5 { 9 %LOC = alloca i32, align 4 10 call void @llvm.dbg.declare(metadata i32* %LOC, metadata !15, metadata !DIExpression()), !dbg !17 11 %1 = load i32, i32* @GLB, align 4, !dbg !18 12 store i32 %1, i32* %LOC, align 4, !dbg !18 13 %2 = load i32, i32* @GLB, align 4, !dbg !19 14 ret i32 %2, !dbg !19 15 } 16 17 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 18 19 !llvm.dbg.cu = !{!0} 20 !llvm.module.flags = !{!21} 21 22 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk)", isOptimized: false, emissionKind: 0, file: !20, enums: !1, retainedTypes: !1, subprograms: !3, globals: !12, imports: !1) 23 !1 = !{} 24 !3 = !{!5} 25 !5 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !6, scope: !6, type: !7) 26 !6 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo") 27 !7 = !DISubroutineType(types: !8) 28 !8 = !{!9} 29 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 30 !12 = !{!14} 31 !14 = !DIGlobalVariable(name: "GLB", line: 1, isLocal: false, isDefinition: true, scope: null, file: !6, type: !9, variable: i32* @GLB) 32 !15 = !DILocalVariable(name: "LOC", line: 4, scope: !16, file: !6, type: !9) 33 !16 = distinct !DILexicalBlock(line: 3, column: 9, file: !20, scope: !5) 34 !17 = !DILocation(line: 4, column: 9, scope: !16) 35 !18 = !DILocation(line: 4, column: 23, scope: !16) 36 !19 = !DILocation(line: 5, column: 5, scope: !16) 37 !20 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo") 38 39 ; CHECK: DW_TAG_variable 40 ; CHECK-NOT: DW_TAG 41 ; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "GLB") 42 ; CHECK-NOT: DW_TAG 43 ; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c") 44 ; CHECK-NOT: DW_TAG 45 ; CHECK: DW_AT_decl_line [DW_FORM_data1] (1) 46 47 ; CHECK: DW_TAG_variable 48 ; CHECK-NOT: DW_TAG 49 ; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "LOC") 50 ; CHECK-NOT: DW_TAG 51 ; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c") 52 ; CHECK-NOT: DW_TAG 53 ; CHECK: DW_AT_decl_line [DW_FORM_data1] (4) 54 55 !21 = !{i32 1, !"Debug Info Version", i32 3} 56
