; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s ; RUN: llc -filetype=obj --split-dwarf-file=%t.dwo --split-dwarf-output=%t.dwo %s -o %t.o ; RUN: llvm-dwarfdump %t.dwo | FileCheck %s -check-prefix=SPLIT ; CHECK: .debug_info contents: ; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000006e, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000072) ; CHECK: 0x0000000b: DW_TAG_compile_unit ; CHECK-NEXT: DW_AT_producer ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") ; CHECK-NEXT: DW_AT_language (DW_LANG_C99) ; CHECK-NEXT: DW_AT_name ("test.c") ; CHECK-NEXT: DW_AT_stmt_list (0x00000000) ; CHECK-NEXT: DW_AT_comp_dir ("/usr/local/google/home/sbc/dev/wasm/simple") ; CHECK-NEXT: DW_AT_GNU_pubnames (true) ; CHECK-NEXT: DW_AT_low_pc (0x00000002) ; CHECK-NEXT: DW_AT_high_pc (0x00000004) ; CHECK: 0x00000026: DW_TAG_variable ; CHECK-NEXT: DW_AT_name ("foo") ; CHECK-NEXT: DW_AT_type (0x00000037 "int *") ; CHECK-NEXT: DW_AT_external (true) ; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") ; CHECK-NEXT: DW_AT_decl_line (4) ; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x0) ; CHECK: 0x00000037: DW_TAG_pointer_type ; CHECK-NEXT: DW_AT_type (0x0000003c "int") ; CHECK: 0x0000003c: DW_TAG_base_type ; CHECK-NEXT: DW_AT_name ("int") ; CHECK-NEXT: DW_AT_encoding (DW_ATE_signed) ; CHECK-NEXT: DW_AT_byte_size (0x04) ; CHECK: 0x00000043: DW_TAG_variable ; CHECK-NEXT: DW_AT_name ("ptr2") ; CHECK-NEXT: DW_AT_type (0x00000054 "void (*)()") ; CHECK-NEXT: DW_AT_external (true) ; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") ; CHECK-NEXT: DW_AT_decl_line (5) ; CHECK-NEXT: DW_AT_location (DW_OP_addr 0x4) ; CHECK: 0x00000054: DW_TAG_pointer_type ; CHECK-NEXT: DW_AT_type (0x00000059 "void ()") ; CHECK: 0x00000059: DW_TAG_subroutine_type ; CHECK-NEXT: DW_AT_prototyped (true) ; CHECK: 0x0000005a: DW_TAG_subprogram ; CHECK-NEXT: DW_AT_low_pc (0x00000002) ; CHECK-NEXT: DW_AT_high_pc (0x00000004) ; CHECK-NEXT: DW_AT_frame_base (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) ; CHECK-NEXT: DW_AT_name ("f2") ; CHECK-NEXT: DW_AT_decl_file ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c") ; CHECK-NEXT: DW_AT_decl_line (2) ; CHECK-NEXT: DW_AT_prototyped (true) ; CHECK-NEXT: DW_AT_external (true) ; CHECK: 0x00000071: NULL ; SPLIT: .debug_info.dwo contents: ; SPLIT-NEXT: 0x00000000: Compile Unit: length = 0x0000004c, format = DWARF32, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000050) ; SPLIT: 0x0000000b: DW_TAG_compile_unit ; SPLIT-NEXT: DW_AT_producer ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)") ; SPLIT-NEXT: DW_AT_language (DW_LANG_C99) ; SPLIT-NEXT: DW_AT_name ("test.c") ; SPLIT-NEXT: DW_AT_GNU_dwo_name ("{{.*}}dwarfdump.ll.tmp.dwo") ; SPLIT-NEXT: DW_AT_GNU_dwo_id (0xad3151f12153fa17) ; SPLIT: 0x00000019: DW_TAG_variable ; SPLIT-NEXT: DW_AT_name ("foo") ; SPLIT-NEXT: DW_AT_type (0x00000024 "int *") ; SPLIT-NEXT: DW_AT_external (true) ; SPLIT-NEXT: DW_AT_decl_file (0x01) ; SPLIT-NEXT: DW_AT_decl_line (4) ; SPLIT-NEXT: DW_AT_location (DW_OP_GNU_addr_index 0x0) ; SPLIT: 0x00000024: DW_TAG_pointer_type ; SPLIT-NEXT: DW_AT_type (0x00000029 "int") ; SPLIT: 0x00000029: DW_TAG_base_type ; SPLIT-NEXT: DW_AT_name ("int") ; SPLIT-NEXT: DW_AT_encoding (DW_ATE_signed) ; SPLIT-NEXT: DW_AT_byte_size (0x04) ; SPLIT: 0x0000002d: DW_TAG_variable ; SPLIT-NEXT: DW_AT_name ("ptr2") ; SPLIT-NEXT: DW_AT_type (0x00000038 "void (*)()") ; SPLIT-NEXT: DW_AT_external (true) ; SPLIT-NEXT: DW_AT_decl_file (0x01) ; SPLIT-NEXT: DW_AT_decl_line (5) ; SPLIT-NEXT: DW_AT_location (DW_OP_GNU_addr_index 0x1) ; SPLIT: 0x00000038: DW_TAG_pointer_type ; SPLIT-NEXT: DW_AT_type (0x0000003d "void ()") ; SPLIT: 0x0000003d: DW_TAG_subroutine_type ; SPLIT-NEXT: DW_AT_prototyped (true) ; SPLIT: 0x0000003e: DW_TAG_subprogram ; SPLIT-NEXT: DW_AT_low_pc (indexed (00000002) address = <unresolved>) ; SPLIT-NEXT: DW_AT_high_pc (0x00000002) ; SPLIT-NEXT: DW_AT_frame_base (DW_OP_WASM_location 0x3 0x0, DW_OP_stack_value) ; SPLIT-NEXT: DW_AT_name ("f2") ; SPLIT-NEXT: DW_AT_decl_file (0x01) ; SPLIT-NEXT: DW_AT_decl_line (2) ; SPLIT-NEXT: DW_AT_prototyped (true) ; SPLIT-NEXT: DW_AT_external (true) ; SPLIT: 0x0000004f: NULL target triple = "wasm32-unknown-unknown" source_filename = "test.c" @myextern = external global i32, align 4 @foo = hidden global i32* @myextern, align 4, !dbg !0 @ptr2 = hidden global void ()* @f2, align 4, !dbg !6 ; Function Attrs: noinline nounwind optnone define hidden void @f2() #0 !dbg !17 { entry: ret void, !dbg !18 } attributes #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" } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!13, !14, !15} !llvm.ident = !{!16} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple") !4 = !{} !5 = !{!0, !6} !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) !7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true) !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32) !9 = !DISubroutineType(types: !10) !10 = !{null} !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32) !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !13 = !{i32 2, !"Dwarf Version", i32 4} !14 = !{i32 2, !"Debug Info Version", i32 3} !15 = !{i32 1, !"wchar_size", i32 4} !16 = !{!"clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)"} !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) !18 = !DILocation(line: 2, column: 16, scope: !17)