1; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s 2; RUN: llc -filetype=obj --split-dwarf-file=%t.dwo --split-dwarf-output=%t.dwo %s -o %t.o 3; RUN: llvm-dwarfdump %t.dwo | FileCheck %s -check-prefix=SPLIT 4 5; CHECK: .debug_info contents: 6; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000006e, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000072) 7 8; CHECK: 0x0000000b: DW_TAG_compile_unit 9; CHECK-NEXT: DW_AT_producer ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") 10; CHECK-NEXT: DW_AT_language (DW_LANG_C99) 11; CHECK-NEXT: DW_AT_name ("test.c") 12; CHECK-NEXT: DW_AT_stmt_list (0x00000000) 13; CHECK-NEXT: DW_AT_comp_dir ("/usr/local/google/home/sbc/dev/wasm/simple") 14; CHECK-NEXT: DW_AT_GNU_pubnames (true) 15; CHECK-NEXT: DW_AT_low_pc (0x00000002) 16; CHECK-NEXT: DW_AT_high_pc (0x00000004) 17 18; CHECK: 0x00000026: DW_TAG_variable 19; CHECK-NEXT: DW_AT_name ("foo") 20; CHECK-NEXT: DW_AT_type (0x00000037 "int *") 21; CHECK-NEXT: DW_AT_external (true) 22; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 23; CHECK-NEXT: DW_AT_decl_line (4) 24; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x0) 25 26; CHECK: 0x00000037: DW_TAG_pointer_type 27; CHECK-NEXT: DW_AT_type (0x0000003c "int") 28 29; CHECK: 0x0000003c: DW_TAG_base_type 30; CHECK-NEXT: DW_AT_name ("int") 31; CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) 32; CHECK-NEXT: DW_AT_byte_size (0x04) 33 34; CHECK: 0x00000043: DW_TAG_variable 35; CHECK-NEXT: DW_AT_name ("ptr2") 36; CHECK-NEXT: DW_AT_type (0x00000054 "void (*)()") 37; CHECK-NEXT: DW_AT_external (true) 38; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 39; CHECK-NEXT: DW_AT_decl_line (5) 40; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x4) 41 42; CHECK: 0x00000054: DW_TAG_pointer_type 43; CHECK-NEXT: DW_AT_type (0x00000059 "void ()") 44 45; CHECK: 0x00000059: DW_TAG_subroutine_type 46; CHECK-NEXT: DW_AT_prototyped (true) 47 48; CHECK: 0x0000005a: DW_TAG_subprogram 49; CHECK-NEXT: DW_AT_low_pc (0x00000002) 50; CHECK-NEXT: DW_AT_high_pc (0x00000004) 51; CHECK-NEXT: DW_AT_frame_base (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) 52; CHECK-NEXT: DW_AT_name ("f2") 53; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") 54; CHECK-NEXT: DW_AT_decl_line (2) 55; CHECK-NEXT: DW_AT_prototyped (true) 56; CHECK-NEXT: DW_AT_external (true) 57 58; CHECK: 0x00000071: NULL 59 60 61; SPLIT: .debug_info.dwo contents: 62; SPLIT-NEXT: 0x00000000: Compile Unit: length = 0x0000004c, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000050) 63 64; SPLIT: 0x0000000b: DW_TAG_compile_unit 65; SPLIT-NEXT: DW_AT_producer ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") 66; SPLIT-NEXT: DW_AT_language (DW_LANG_C99) 67; SPLIT-NEXT: DW_AT_name ("test.c") 68; SPLIT-NEXT: DW_AT_GNU_dwo_name ("{{.*}}dwarfdump.ll.tmp.dwo") 69; SPLIT-NEXT: DW_AT_GNU_dwo_id ({{.*}}) 70 71; SPLIT: 0x00000019: DW_TAG_variable 72; SPLIT-NEXT: DW_AT_name ("foo") 73; SPLIT-NEXT: DW_AT_type (0x00000024 "int *") 74; SPLIT-NEXT: DW_AT_external (true) 75; SPLIT-NEXT: DW_AT_decl_file (0x01) 76; SPLIT-NEXT: DW_AT_decl_line (4) 77; SPLIT-NEXT: DW_AT_location (DW_OP_GNU_addr_index 0x0) 78 79; SPLIT: 0x00000024: DW_TAG_pointer_type 80; SPLIT-NEXT: DW_AT_type (0x00000029 "int") 81 82; SPLIT: 0x00000029: DW_TAG_base_type 83; SPLIT-NEXT: DW_AT_name ("int") 84; SPLIT-NEXT: DW_AT_encoding (DW_ATE_signed) 85; SPLIT-NEXT: DW_AT_byte_size (0x04) 86 87; SPLIT: 0x0000002d: DW_TAG_variable 88; SPLIT-NEXT: DW_AT_name ("ptr2") 89; SPLIT-NEXT: DW_AT_type (0x00000038 "void (*)()") 90; SPLIT-NEXT: DW_AT_external (true) 91; SPLIT-NEXT: DW_AT_decl_file (0x01) 92; SPLIT-NEXT: DW_AT_decl_line (5) 93; SPLIT-NEXT: DW_AT_location (DW_OP_GNU_addr_index 0x1) 94 95; SPLIT: 0x00000038: DW_TAG_pointer_type 96; SPLIT-NEXT: DW_AT_type (0x0000003d "void ()") 97 98; SPLIT: 0x0000003d: DW_TAG_subroutine_type 99; SPLIT-NEXT: DW_AT_prototyped (true) 100 101; SPLIT: 0x0000003e: DW_TAG_subprogram 102; SPLIT-NEXT: DW_AT_low_pc (indexed (00000002) address = <unresolved>) 103; SPLIT-NEXT: DW_AT_high_pc (0x00000002) 104; SPLIT-NEXT: DW_AT_frame_base (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) 105; SPLIT-NEXT: DW_AT_name ("f2") 106; SPLIT-NEXT: DW_AT_decl_file (0x01) 107; SPLIT-NEXT: DW_AT_decl_line (2) 108; SPLIT-NEXT: DW_AT_prototyped (true) 109; SPLIT-NEXT: DW_AT_external (true) 110 111; SPLIT: 0x0000004f: NULL 112 113 114target triple = "wasm32-unknown-unknown" 115 116source_filename = "test.c" 117 118@myextern = external global i32, align 4 119@foo = hidden global ptr @myextern, align 4, !dbg !0 120@ptr2 = hidden global ptr @f2, align 4, !dbg !6 121 122; Function Attrs: noinline nounwind optnone 123define hidden void @f2() #0 !dbg !17 { 124entry: 125 ret void, !dbg !18 126} 127 128attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" } 129 130!llvm.dbg.cu = !{!2} 131!llvm.module.flags = !{!13, !14, !15} 132!llvm.ident = !{!16} 133 134!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 135!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) 136!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) 137!3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") 138!4 = !{} 139!5 = !{!0, !6} 140!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 141!7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) 142!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) 143!9 = !DISubroutineType(types: !10) 144!10 = !{null} 145!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) 146!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 147!13 = !{i32 2, !"Dwarf Version", i32 4} 148!14 = !{i32 2, !"Debug Info Version", i32 3} 149!15 = !{i32 1, !"wchar_size", i32 4} 150!16 = !{!"clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)"} 151!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) 152!18 = !DILocation(line: 2, column: 16, scope: !17) 153