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1; For http://llvm.org/bugs/show_bug.cgi?id=129422; There are two CUs coming from /tmp/foo.c in this module. Make sure it doesn't3; blow llc up and produces something reasonable.4;5 6; RUN: %llc_dwarf %s -o %t -filetype=obj -O07; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s8 9; ModuleID = 'test.bc'10 11@str = private unnamed_addr constant [4 x i8] c"FOO\00"12@str1 = private unnamed_addr constant [6 x i8] c"Main!\00"13 14define void @foo() nounwind !dbg !5 {15entry:16 %puts = tail call i32 @puts(ptr @str), !dbg !2317 ret void, !dbg !2518}19 20declare i32 @puts(ptr nocapture) nounwind21 22define i32 @main(i32 %argc, ptr nocapture %argv) nounwind !dbg !12 {23entry:24 tail call void @llvm.dbg.value(metadata i32 %argc, metadata !21, metadata !DIExpression()), !dbg !2625 ; Avoid talking about the pointer size in debug info because that's target dependent26 tail call void @llvm.dbg.value(metadata ptr %argv, metadata !22, metadata !DIExpression(DW_OP_deref, DW_OP_deref)), !dbg !2727 %puts = tail call i32 @puts(ptr @str1), !dbg !2828 tail call void @foo() nounwind, !dbg !3029 ret i32 0, !dbg !3130}31 32declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone33 34!llvm.dbg.cu = !{!0, !9}35!llvm.module.flags = !{!33}36 37!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)38!1 = !{}39!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)40!6 = !DIFile(filename: "foo.c", directory: "/tmp")41!7 = !DISubroutineType(types: !8)42!8 = !{null}43!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)44!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)45!13 = !DISubroutineType(types: !14)46!14 = !{!15, !15, !18}47!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)48!18 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)49!19 = !{!21, !22}50!21 = !DILocalVariable(name: "argc", line: 11, arg: 1, scope: !12, file: !6, type: !15)51!22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !18)52!23 = !DILocation(line: 6, column: 3, scope: !24)53!24 = distinct !DILexicalBlock(line: 5, column: 16, file: !32, scope: !5)54!25 = !DILocation(line: 7, column: 1, scope: !24)55!26 = !DILocation(line: 11, column: 14, scope: !12)56!27 = !DILocation(line: 11, column: 26, scope: !12)57!28 = !DILocation(line: 12, column: 3, scope: !29)58!29 = distinct !DILexicalBlock(line: 11, column: 34, file: !32, scope: !12)59!30 = !DILocation(line: 13, column: 3, scope: !29)60!31 = !DILocation(line: 14, column: 3, scope: !29)61!32 = !DIFile(filename: "foo.c", directory: "/tmp")62 63; This test is simple to be cross platform (many targets don't yet have64; sufficiently good DWARF emission and/or dumping)65; CHECK: {{DW_TAG_compile_unit}}66; CHECK: {{foo\.c}}67 68!33 = !{i32 1, !"Debug Info Version", i32 3}69