1 ; For http://llvm.org/bugs/show_bug.cgi?id=12942 2 ; There are two CUs coming from /tmp/foo.c in this module. Make sure it doesn't 3 ; blow llc up and produces something reasonable. 4 ; 5 6 ; REQUIRES: object-emission 7 8 ; RUN: %llc_dwarf %s -o %t -filetype=obj -O0 9 ; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s 10 11 ; ModuleID = 'test.bc' 12 13 @str = private unnamed_addr constant [4 x i8] c"FOO\00" 14 @str1 = private unnamed_addr constant [6 x i8] c"Main!\00" 15 16 define void @foo() nounwind !dbg !5 { 17 entry: 18 %puts = tail call i32 @puts(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i32 0, i32 0)), !dbg !23 19 ret void, !dbg !25 20 } 21 22 declare i32 @puts(i8* nocapture) nounwind 23 24 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind !dbg !12 { 25 entry: 26 tail call void @llvm.dbg.value(metadata i32 %argc, metadata !21, metadata !DIExpression()), !dbg !26 27 ; Avoid talking about the pointer size in debug info because that's target dependent 28 tail call void @llvm.dbg.value(metadata i8** %argv, metadata !22, metadata !DIExpression(DW_OP_deref, DW_OP_deref)), !dbg !27 29 %puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @str1, i32 0, i32 0)), !dbg !28 30 tail call void @foo() nounwind, !dbg !30 31 ret i32 0, !dbg !31 32 } 33 34 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone 35 36 !llvm.dbg.cu = !{!0, !9} 37 !llvm.module.flags = !{!33} 38 39 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: FullDebug, file: !32, enums: !1, retainedTypes: !1, globals: !1, imports: !1) 40 !1 = !{} 41 !5 = distinct !DISubprogram(name: "foo", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 5, file: !32, scope: !6, type: !7, retainedNodes: !1) 42 !6 = !DIFile(filename: "foo.c", directory: "/tmp") 43 !7 = !DISubroutineType(types: !8) 44 !8 = !{null} 45 !9 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: FullDebug, file: !32, enums: !1, retainedTypes: !1, globals: !1, imports: !1) 46 !12 = distinct !DISubprogram(name: "main", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !9, scopeLine: 11, file: !32, scope: !6, type: !13, retainedNodes: !19) 47 !13 = !DISubroutineType(types: !14) 48 !14 = !{!15, !15, !18} 49 !15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 50 !18 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 51 !19 = !{!21, !22} 52 !21 = !DILocalVariable(name: "argc", line: 11, arg: 1, scope: !12, file: !6, type: !15) 53 !22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !18) 54 !23 = !DILocation(line: 6, column: 3, scope: !24) 55 !24 = distinct !DILexicalBlock(line: 5, column: 16, file: !32, scope: !5) 56 !25 = !DILocation(line: 7, column: 1, scope: !24) 57 !26 = !DILocation(line: 11, column: 14, scope: !12) 58 !27 = !DILocation(line: 11, column: 26, scope: !12) 59 !28 = !DILocation(line: 12, column: 3, scope: !29) 60 !29 = distinct !DILexicalBlock(line: 11, column: 34, file: !32, scope: !12) 61 !30 = !DILocation(line: 13, column: 3, scope: !29) 62 !31 = !DILocation(line: 14, column: 3, scope: !29) 63 !32 = !DIFile(filename: "foo.c", directory: "/tmp") 64 65 ; This test is simple to be cross platform (many targets don't yet have 66 ; sufficiently good DWARF emission and/or dumping) 67 ; CHECK: {{DW_TAG_compile_unit}} 68 ; CHECK: {{foo\.c}} 69 70 !33 = !{i32 1, !"Debug Info Version", i32 3} 71
