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1; RUN: llc --filetype=obj -o %t < %s2; RUN: llvm-dwarfdump --debug-info %t | FileCheck %s3; RUN: llvm-dwarfdump --verify %t4 5; This file was based on output of6;7; clang -target msp430 -S -emit-llvm -gdwarf-3 -Os dwarf-basics.c8;9; for the following dwarf-basics.c10;11; struct X {12; void *a;13; };14;15; int f(long y, struct X *p)16; {17; return 42;18; }19;20 21; CHECK: file format elf32-msp43022 23; CHECK: .debug_info contents:24; CHECK: Compile Unit: length = 0x{{.*}}, format = DWARF32, version = 0x0003, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x{{.*}})25 26; CHECK: DW_TAG_compile_unit27; CHECK: DW_AT_producer ("clang version 11.0.0 (git@...)")28; CHECK: DW_AT_language (DW_LANG_C99)29; CHECK: DW_AT_name ("dwarf-basics.c")30; CHECK: DW_AT_stmt_list (0x{{.*}})31; CHECK: DW_AT_comp_dir ("/tmp")32; CHECK: DW_AT_low_pc (0x{{.*}})33; CHECK: DW_AT_high_pc (0x{{.*}})34 35; CHECK: DW_TAG_subprogram36; CHECK: DW_AT_low_pc (0x{{.*}})37; CHECK: DW_AT_high_pc (0x{{.*}})38; CHECK: DW_AT_frame_base (DW_OP_reg1 SP)39; CHECK: DW_AT_name ("f")40; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")41; CHECK: DW_AT_decl_line (5)42; CHECK: DW_AT_prototyped (0x01)43; CHECK: DW_AT_type (0x{{.*}} "int")44; CHECK: DW_AT_external (0x01)45 46; CHECK: DW_TAG_formal_parameter47; CHECK: DW_AT_location (0x{{.*}}:48; CHECK: [0x00000000, 0x00000004): DW_OP_reg12 R12)49; CHECK: DW_AT_name ("y")50; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")51; CHECK: DW_AT_decl_line (5)52; CHECK: DW_AT_type (0x{{.*}} "long int")53 54; CHECK: DW_TAG_formal_parameter55; CHECK: DW_AT_location (DW_OP_reg14 R14)56; CHECK: DW_AT_name ("p")57; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")58; CHECK: DW_AT_decl_line (5)59; CHECK: DW_AT_type (0x{{.*}} "X *")60 61; CHECK: NULL62 63; CHECK: DW_TAG_base_type64; CHECK: DW_AT_name ("int")65; CHECK: DW_AT_encoding (DW_ATE_signed)66; CHECK: DW_AT_byte_size (0x02)67 68; CHECK: DW_TAG_base_type69; CHECK: DW_AT_name ("long int")70; CHECK: DW_AT_encoding (DW_ATE_signed)71; CHECK: DW_AT_byte_size (0x04)72 73; CHECK: DW_TAG_pointer_type74; CHECK: DW_AT_type (0x{{.*}} "X")75 76; CHECK: DW_TAG_structure_type77; CHECK: DW_AT_name ("X")78; CHECK: DW_AT_byte_size (0x02)79; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")80; CHECK: DW_AT_decl_line (1)81 82; CHECK: DW_TAG_member83; CHECK: DW_AT_name ("a")84; CHECK: DW_AT_type (0x{{.*}} "void *")85; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")86; CHECK: DW_AT_decl_line (2)87; CHECK: DW_AT_data_member_location (0)88 89; CHECK: NULL90 91; CHECK: DW_TAG_pointer_type92 93; CHECK: NULL94 95 96source_filename = "dwarf-basics.c"97target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16"98target triple = "msp430"99 100%struct.X = type { ptr }101 102define i16 @f(i32 %y, ptr %p) !dbg !7 {103entry:104 call void @llvm.dbg.value(metadata i32 %y, metadata !18, metadata !DIExpression()), !dbg !20105 call void @llvm.dbg.value(metadata ptr %p, metadata !19, metadata !DIExpression()), !dbg !20106 ret i16 42, !dbg !21107}108 109declare void @llvm.dbg.value(metadata, metadata, metadata)110 111!llvm.dbg.cu = !{!0}112!llvm.module.flags = !{!3, !4, !5}113!llvm.ident = !{!6}114 115!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (git@...)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)116!1 = !DIFile(filename: "dwarf-basics.c", directory: "/tmp")117!2 = !{}118!3 = !{i32 7, !"Dwarf Version", i32 3}119!4 = !{i32 2, !"Debug Info Version", i32 3}120!5 = !{i32 1, !"wchar_size", i32 2}121!6 = !{!"clang version 11.0.0 (git@...)"}122!7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 5, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)123!8 = !DISubroutineType(types: !9)124!9 = !{!10, !11, !12}125!10 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)126!11 = !DIBasicType(name: "long int", size: 32, encoding: DW_ATE_signed)127!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 16)128!13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X", file: !1, line: 1, size: 16, elements: !14)129!14 = !{!15}130!15 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !13, file: !1, line: 2, baseType: !16, size: 16)131!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 16)132!17 = !{!18, !19}133!18 = !DILocalVariable(name: "y", arg: 1, scope: !7, file: !1, line: 5, type: !11)134!19 = !DILocalVariable(name: "p", arg: 2, scope: !7, file: !1, line: 5, type: !12)135!20 = !DILocation(line: 0, scope: !7)136!21 = !DILocation(line: 7, column: 3, scope: !7)137