| ; RUN: llc --filetype=obj -o %t < %s | |
| ; RUN: llvm-dwarfdump --debug-info %t | FileCheck %s | |
| ; RUN: llvm-dwarfdump --verify %t | |
| ; This file was based on output of | |
| ; | |
| ; clang -target msp430 -S -emit-llvm -gdwarf-3 -Os dwarf-basics.c | |
| ; | |
| ; for the following dwarf-basics.c | |
| ; | |
| ; struct X { | |
| ; void *a; | |
| ; }; | |
| ; | |
| ; int f(long y, struct X *p) | |
| ; { | |
| ; return 42; | |
| ; } | |
| ; | |
| ; CHECK: file format elf32-msp430 | |
| ; CHECK: .debug_info contents: | |
| ; CHECK: Compile Unit: length = 0x{{.*}}, format = DWARF32, version = 0x0003, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x{{.*}}) | |
| ; CHECK: DW_TAG_compile_unit | |
| ; CHECK: DW_AT_producer ("clang version 11.0.0 (git@...)") | |
| ; CHECK: DW_AT_language (DW_LANG_C99) | |
| ; CHECK: DW_AT_name ("dwarf-basics.c") | |
| ; CHECK: DW_AT_stmt_list (0x{{.*}}) | |
| ; CHECK: DW_AT_comp_dir ("/tmp") | |
| ; CHECK: DW_AT_low_pc (0x{{.*}}) | |
| ; CHECK: DW_AT_high_pc (0x{{.*}}) | |
| ; CHECK: DW_TAG_subprogram | |
| ; CHECK: DW_AT_low_pc (0x{{.*}}) | |
| ; CHECK: DW_AT_high_pc (0x{{.*}}) | |
| ; CHECK: DW_AT_frame_base (DW_OP_reg1 SP) | |
| ; CHECK: DW_AT_name ("f") | |
| ; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c") | |
| ; CHECK: DW_AT_decl_line (5) | |
| ; CHECK: DW_AT_prototyped (0x01) | |
| ; CHECK: DW_AT_type (0x{{.*}} "int") | |
| ; CHECK: DW_AT_external (0x01) | |
| ; CHECK: DW_TAG_formal_parameter | |
| ; CHECK: DW_AT_location (0x{{.*}}: | |
| ; CHECK: [0x00000000, 0x00000004): DW_OP_reg12 R12) | |
| ; CHECK: DW_AT_name ("y") | |
| ; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c") | |
| ; CHECK: DW_AT_decl_line (5) | |
| ; CHECK: DW_AT_type (0x{{.*}} "long int") | |
| ; CHECK: DW_TAG_formal_parameter | |
| ; CHECK: DW_AT_location (DW_OP_reg14 R14) | |
| ; CHECK: DW_AT_name ("p") | |
| ; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c") | |
| ; CHECK: DW_AT_decl_line (5) | |
| ; CHECK: DW_AT_type (0x{{.*}} "X *") | |
| ; CHECK: NULL | |
| ; CHECK: DW_TAG_base_type | |
| ; CHECK: DW_AT_name ("int") | |
| ; CHECK: DW_AT_encoding (DW_ATE_signed) | |
| ; CHECK: DW_AT_byte_size (0x02) | |
| ; CHECK: DW_TAG_base_type | |
| ; CHECK: DW_AT_name ("long int") | |
| ; CHECK: DW_AT_encoding (DW_ATE_signed) | |
| ; CHECK: DW_AT_byte_size (0x04) | |
| ; CHECK: DW_TAG_pointer_type | |
| ; CHECK: DW_AT_type (0x{{.*}} "X") | |
| ; CHECK: DW_TAG_structure_type | |
| ; CHECK: DW_AT_name ("X") | |
| ; CHECK: DW_AT_byte_size (0x02) | |
| ; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c") | |
| ; CHECK: DW_AT_decl_line (1) | |
| ; CHECK: DW_TAG_member | |
| ; CHECK: DW_AT_name ("a") | |
| ; CHECK: DW_AT_type (0x{{.*}} "void *") | |
| ; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c") | |
| ; CHECK: DW_AT_decl_line (2) | |
| ; CHECK: DW_AT_data_member_location (0) | |
| ; CHECK: NULL | |
| ; CHECK: DW_TAG_pointer_type | |
| ; CHECK: NULL | |
| source_filename = "dwarf-basics.c" | |
| target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16" | |
| target triple = "msp430" | |
| %struct.X = type { ptr } | |
| define i16 @f(i32 %y, ptr %p) !dbg !7 { | |
| entry: | |
| call void @llvm.dbg.value(metadata i32 %y, metadata !18, metadata !DIExpression()), !dbg !20 | |
| call void @llvm.dbg.value(metadata ptr %p, metadata !19, metadata !DIExpression()), !dbg !20 | |
| ret i16 42, !dbg !21 | |
| } | |
| declare void @llvm.dbg.value(metadata, metadata, metadata) | |
| !llvm.dbg.cu = !{!0} | |
| !llvm.module.flags = !{!3, !4, !5} | |
| !llvm.ident = !{!6} | |
| !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) | |
| !1 = !DIFile(filename: "dwarf-basics.c", directory: "/tmp") | |
| !2 = !{} | |
| !3 = !{i32 7, !"Dwarf Version", i32 3} | |
| !4 = !{i32 2, !"Debug Info Version", i32 3} | |
| !5 = !{i32 1, !"wchar_size", i32 2} | |
| !6 = !{!"clang version 11.0.0 (git@...)"} | |
| !7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 5, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17) | |
| !8 = !DISubroutineType(types: !9) | |
| !9 = !{!10, !11, !12} | |
| !10 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) | |
| !11 = !DIBasicType(name: "long int", size: 32, encoding: DW_ATE_signed) | |
| !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 16) | |
| !13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X", file: !1, line: 1, size: 16, elements: !14) | |
| !14 = !{!15} | |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !13, file: !1, line: 2, baseType: !16, size: 16) | |
| !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 16) | |
| !17 = !{!18, !19} | |
| !18 = !DILocalVariable(name: "y", arg: 1, scope: !7, file: !1, line: 5, type: !11) | |
| !19 = !DILocalVariable(name: "p", arg: 2, scope: !7, file: !1, line: 5, type: !12) | |
| !20 = !DILocation(line: 0, scope: !7) | |
| !21 = !DILocation(line: 7, column: 3, scope: !7) |