1; RUN: llc -generate-arange-section -minimize-addr-in-v5=Ranges --filetype=obj -o %t < %s 2; RUN: llvm-dwarfdump --debug-info -debug-aranges -debug-addr %t | FileCheck %s 3; RUN: llvm-dwarfdump --verify %t 4 5; This file was based on output of 6; 7; clang -target msp430-elf -S -emit-llvm -gdwarf-5 -Os dwarf-basics-v5.c 8; 9; for the following dwarf-basics-v5.c 10; 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-msp430 22 23; CHECK: .debug_info contents: 24; CHECK: Compile Unit: length = 0x{{.*}}, format = DWARF32, version = 0x0005, unit_type = DW_UT_compile, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x{{.*}}) 25 26; CHECK: DW_TAG_compile_unit 27; CHECK: DW_AT_producer ("clang version 17.0.0 (git@...)") 28; CHECK: DW_AT_language (DW_LANG_C11) 29; CHECK: DW_AT_name ("dwarf-basics-v5.c") 30; CHECK: DW_AT_str_offsets_base (0x00000008) 31; CHECK: DW_AT_stmt_list (0x{{.*}}) 32; CHECK: DW_AT_comp_dir ("/tmp") 33; CHECK: DW_AT_low_pc (0x{{.*}}) 34; CHECK: DW_AT_high_pc (0x{{.*}}) 35; CHECK: DW_AT_addr_base (0x00000008) 36; CHECK: DW_AT_loclists_base (0x0000000c) 37 38; CHECK: DW_TAG_subprogram 39; CHECK: DW_AT_low_pc (0x{{.*}}) 40; CHECK: DW_AT_high_pc (0x{{.*}}) 41; CHECK: DW_AT_frame_base (DW_OP_reg1 SP) 42; CHECK: DW_AT_call_all_calls (true) 43; CHECK: DW_AT_name ("f") 44; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics-v5.c") 45; CHECK: DW_AT_decl_line (5) 46; CHECK: DW_AT_prototyped (true) 47; CHECK: DW_AT_type (0x{{.*}} "int") 48; CHECK: DW_AT_external (true) 49 50; CHECK: DW_TAG_formal_parameter 51; CHECK: DW_AT_location (indexed (0x0) loclist = 0x{{.*}}: 52; CHECK: [0x00000000, 0x00000004): DW_OP_reg12 R12) 53; CHECK: DW_AT_name ("y") 54; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics-v5.c") 55; CHECK: DW_AT_decl_line (5) 56; CHECK: DW_AT_type (0x{{.*}} "long") 57 58; CHECK: DW_TAG_formal_parameter 59; CHECK: DW_AT_location (DW_OP_reg14 R14) 60; CHECK: DW_AT_name ("p") 61; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics-v5.c") 62; CHECK: DW_AT_decl_line (5) 63; CHECK: DW_AT_type (0x{{.*}} "X *") 64 65; CHECK: NULL 66 67; CHECK: DW_TAG_base_type 68; CHECK: DW_AT_name ("int") 69; CHECK: DW_AT_encoding (DW_ATE_signed) 70; CHECK: DW_AT_byte_size (0x02) 71 72; CHECK: DW_TAG_base_type 73; CHECK: DW_AT_name ("long") 74; CHECK: DW_AT_encoding (DW_ATE_signed) 75; CHECK: DW_AT_byte_size (0x04) 76 77; CHECK: DW_TAG_pointer_type 78; CHECK: DW_AT_type (0x{{.*}} "X") 79 80; CHECK: DW_TAG_structure_type 81; CHECK: DW_AT_name ("X") 82; CHECK: DW_AT_byte_size (0x02) 83; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics-v5.c") 84; CHECK: DW_AT_decl_line (1) 85 86; CHECK: DW_TAG_member 87; CHECK: DW_AT_name ("a") 88; CHECK: DW_AT_type (0x{{.*}} "void *") 89; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics-v5.c") 90; CHECK: DW_AT_decl_line (2) 91; CHECK: DW_AT_data_member_location (0x00) 92 93; CHECK: NULL 94 95; CHECK: DW_TAG_pointer_type 96 97; CHECK: NULL 98 99; CHECK: .debug_aranges contents: 100; CHECK-NEXT: Address Range Header: length = 0x{{.*}}, format = DWARF32, version = 0x0002, cu_offset = 0x00000000, addr_size = 0x04, seg_size = 0x00 101; CHECK-NEXT: [0x00000000, 0x00000006) 102 103; CHECK: .debug_addr contents: 104; CHECK-NEXT: Address table header: length = 0x{{.*}}, format = DWARF32, version = 0x0005, addr_size = 0x04, seg_size = 0x00 105; CHECK-NEXT: Addrs: [ 106; CHECK-NEXT: 0x00000000 107; CHECK-NEXT: ] 108 109; ModuleID = 'dwarf-basics-v5.c' 110source_filename = "dwarf-basics-v5.c" 111target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16" 112target triple = "msp430-unknown-unknown-elf" 113 114; Function Attrs: mustprogress nofree norecurse nosync nounwind optsize willreturn memory(none) 115define dso_local i16 @f(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 !dbg !6 { 116 call void @llvm.dbg.value(metadata i32 %0, metadata !17, metadata !DIExpression()), !dbg !19 117 call void @llvm.dbg.value(metadata ptr %1, metadata !18, metadata !DIExpression()), !dbg !19 118 ret i16 42, !dbg !20 119} 120 121; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) 122declare void @llvm.dbg.value(metadata, metadata, metadata) #1 123 124attributes #0 = { mustprogress nofree norecurse nosync nounwind optsize willreturn memory(none) "no-trapping-math"="true" "stack-protector-buffer-size"="8" } 125attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } 126 127!llvm.dbg.cu = !{!0} 128!llvm.module.flags = !{!2, !3, !4} 129!llvm.ident = !{!5} 130 131!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 17.0.0 (git@...)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) 132!1 = !DIFile(filename: "dwarf-basics-v5.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "ead340d457001e2ce340630cfa3a9cb8") 133!2 = !{i32 7, !"Dwarf Version", i32 5} 134!3 = !{i32 2, !"Debug Info Version", i32 3} 135!4 = !{i32 1, !"wchar_size", i32 2} 136!5 = !{!"clang version 17.0.0 (git@...)"} 137!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 5, type: !7, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !16) 138!7 = !DISubroutineType(types: !8) 139!8 = !{!9, !10, !11} 140!9 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) 141!10 = !DIBasicType(name: "long", size: 32, encoding: DW_ATE_signed) 142!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 16) 143!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X", file: !1, line: 1, size: 16, elements: !13) 144!13 = !{!14} 145!14 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !12, file: !1, line: 2, baseType: !15, size: 16) 146!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 16) 147!16 = !{!17, !18} 148!17 = !DILocalVariable(name: "y", arg: 1, scope: !6, file: !1, line: 5, type: !10) 149!18 = !DILocalVariable(name: "p", arg: 2, scope: !6, file: !1, line: 5, type: !11) 150!19 = !DILocation(line: 0, scope: !6) 151!20 = !DILocation(line: 7, column: 3, scope: !6) 152 153