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-dump=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 16define void @foo() nounwind { 17entry: 18 %puts = tail call i32 @puts(i8* getelementptr inbounds ([4 x i8]* @str, i32 0, i32 0)), !dbg !23 19 ret void, !dbg !25 20} 21 22declare i32 @puts(i8* nocapture) nounwind 23 24define i32 @main(i32 %argc, i8** nocapture %argv) nounwind { 25entry: 26 tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !26 27 tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !{!"0x102"}), !dbg !27 28 %puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @str1, i32 0, i32 0)), !dbg !28 29 tail call void @foo() nounwind, !dbg !30 30 ret i32 0, !dbg !31 31} 32 33declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 34 35!llvm.dbg.cu = !{!0, !9} 36!llvm.module.flags = !{!33} 37 38!0 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ] 39!1 = !{} 40!3 = !{!5} 41!5 = !{!"0x2e\00foo\00foo\00\005\000\001\000\006\00256\001\005", !32, !6, !7, null, void ()* @foo, null, null, !1} ; [ DW_TAG_subprogram ] 42!6 = !{!"0x29", !32} ; [ DW_TAG_file_type ] 43!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 44!8 = !{null} 45!9 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !10, !1, !1} ; [ DW_TAG_compile_unit ] 46!10 = !{!12} 47!12 = !{!"0x2e\00main\00main\00\0011\000\001\000\006\00256\001\0011", !32, !6, !13, null, i32 (i32, i8**)* @main, null, null, !19} ; [ DW_TAG_subprogram ] 48!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 49!14 = !{!15, !15, !16} 50!15 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] 51!16 = !{!"0xf\00\000\0032\0032\000\000", null, null, !17} ; [ DW_TAG_pointer_type ] 52!17 = !{!"0xf\00\000\0032\0032\000\000", null, null, !18} ; [ DW_TAG_pointer_type ] 53!18 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ] 54!19 = !{!21, !22} 55!21 = !{!"0x101\00argc\0016777227\000", !12, !6, !15} ; [ DW_TAG_arg_variable ] 56!22 = !{!"0x101\00argv\0033554443\000", !12, !6, !16} ; [ DW_TAG_arg_variable ] 57!23 = !MDLocation(line: 6, column: 3, scope: !24) 58!24 = !{!"0xb\005\0016\000", !32, !5} ; [ DW_TAG_lexical_block ] 59!25 = !MDLocation(line: 7, column: 1, scope: !24) 60!26 = !MDLocation(line: 11, column: 14, scope: !12) 61!27 = !MDLocation(line: 11, column: 26, scope: !12) 62!28 = !MDLocation(line: 12, column: 3, scope: !29) 63!29 = !{!"0xb\0011\0034\000", !32, !12} ; [ DW_TAG_lexical_block ] 64!30 = !MDLocation(line: 13, column: 3, scope: !29) 65!31 = !MDLocation(line: 14, column: 3, scope: !29) 66!32 = !{!"foo.c", !"/tmp"} 67 68; This test is simple to be cross platform (many targets don't yet have 69; sufficiently good DWARF emission and/or dumping) 70; CHECK: {{DW_TAG_compile_unit}} 71; CHECK: {{foo\.c}} 72 73!33 = !{i32 1, !"Debug Info Version", i32 2} 74