1; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s 2 3; CHECK: .debug_info contents: 4; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x00000066 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x04 (next unit at 0x0000006a) 5 6; CHECK: 0x0000000b: DW_TAG_compile_unit 7; CHECK-NEXT: DW_AT_producer ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") 8; CHECK-NEXT: DW_AT_language (DW_LANG_C99) 9; CHECK-NEXT: DW_AT_name ("test.c") 10; CHECK-NEXT: DW_AT_stmt_list (0x00000000) 11; CHECK-NEXT: DW_AT_comp_dir ("/usr/local/google/home/sbc/dev/wasm/simple") 12; CHECK-NEXT: DW_AT_GNU_pubnames (true) 13; CHECK-NEXT: DW_AT_low_pc (0x0000000000000002) 14; CHECK-NEXT: DW_AT_high_pc (0x0000000000000004) 15 16; CHECK: 0x00000026: DW_TAG_variable 17; CHECK-NEXT: DW_AT_name ("foo") 18; CHECK-NEXT: DW_AT_type (0x00000037 "int*") 19; CHECK-NEXT: DW_AT_external (true) 20; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 21; CHECK-NEXT: DW_AT_decl_line (4) 22; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x0) 23 24; CHECK: 0x00000037: DW_TAG_pointer_type 25; CHECK-NEXT: DW_AT_type (0x0000003c "int") 26 27; CHECK: 0x0000003c: DW_TAG_base_type 28; CHECK-NEXT: DW_AT_name ("int") 29; CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) 30; CHECK-NEXT: DW_AT_byte_size (0x04) 31 32; CHECK: 0x00000043: DW_TAG_variable 33; CHECK-NEXT: DW_AT_name ("ptr2") 34; CHECK-NEXT: DW_AT_type (0x00000054 "subroutine *") 35; CHECK-NEXT: DW_AT_external (true) 36; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 37; CHECK-NEXT: DW_AT_decl_line (5) 38; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x4) 39 40; CHECK: 0x00000054: DW_TAG_pointer_type 41; CHECK-NEXT: DW_AT_type (0x00000059 "subroutine ") 42 43; CHECK: 0x00000059: DW_TAG_subroutine_type 44; CHECK-NEXT: DW_AT_prototyped (true) 45 46; CHECK: 0x0000005a: DW_TAG_subprogram 47; CHECK-NEXT: DW_AT_low_pc (0x0000000000000002) 48; CHECK-NEXT: DW_AT_high_pc (0x0000000000000004) 49; CHECK-NEXT: DW_AT_name ("f2") 50; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 51; CHECK-NEXT: DW_AT_decl_line (2) 52; CHECK-NEXT: DW_AT_prototyped (true) 53; CHECK-NEXT: DW_AT_external (true) 54 55; CHECK: 0x00000069: NULL 56 57target triple = "wasm32-unknown-unknown" 58 59source_filename = "test.c" 60 61@myextern = external global i32, align 4 62@foo = hidden global i32* @myextern, align 4, !dbg !0 63@ptr2 = hidden global void ()* @f2, align 4, !dbg !6 64 65; Function Attrs: noinline nounwind optnone 66define hidden void @f2() #0 !dbg !17 { 67entry: 68 ret void, !dbg !18 69} 70 71attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" } 72 73!llvm.dbg.cu = !{!2} 74!llvm.module.flags = !{!13, !14, !15} 75!llvm.ident = !{!16} 76 77!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 78!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) 79!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 80!3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") 81!4 = !{} 82!5 = !{!0, !6} 83!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 84!7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) 85!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) 86!9 = !DISubroutineType(types: !10) 87!10 = !{null} 88!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) 89!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 90!13 = !{i32 2, !"Dwarf Version", i32 4} 91!14 = !{i32 2, !"Debug Info Version", i32 3} 92!15 = !{i32 1, !"wchar_size", i32 4} 93!16 = !{!"clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)"} 94!17 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4) 95!18 = !DILocation(line: 2, column: 16, scope: !17) 96