1; This checks that .debug_str_offsets can be generated in the DWARF64 format. 2 3; RUN: llc -mtriple=x86_64 -dwarf-version=5 -dwarf64 -filetype=obj %s -o %t 4; RUN: llvm-dwarfdump -debug-info -debug-str -debug-str-offsets -v %t | \ 5; RUN: FileCheck %s 6 7; CHECK: .debug_info contents: 8; CHECK-NEXT: Compile Unit: {{.*}}, format = DWARF64, 9; CHECK: DW_TAG_compile_unit [1] * 10; CHECK: DW_AT_producer [DW_FORM_strx1] (indexed (00000000) string = "clang version 12.0.0") 11; CHECK: DW_AT_name [DW_FORM_strx1] (indexed (00000001) string = "foo.c") 12; CHECK: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000000000000010) 13; CHECK: DW_AT_comp_dir [DW_FORM_strx1] (indexed (00000002) string = "/tmp") 14; CHECK: DW_TAG_variable [2] 15; CHECK: DW_AT_name [DW_FORM_strx1] (indexed (00000003) string = "foo") 16; CHECK: DW_TAG_base_type [3] 17; CHECK: DW_AT_name [DW_FORM_strx1] (indexed (00000004) string = "int") 18 19; CHECK: .debug_str contents: 20; CHECK-NEXT: 0x00000000: "clang version 12.0.0" 21; CHECK-NEXT: 0x00000015: "foo.c" 22; CHECK-NEXT: 0x0000001b: "/tmp" 23; CHECK-NEXT: 0x00000020: "foo" 24; CHECK-NEXT: 0x00000024: "int" 25 26; CHECK: .debug_str_offsets contents: 27; CHECK-NEXT: 0x00000000: Contribution size = 44, Format = DWARF64, Version = 5 28; CHECK-NEXT: 0x00000010: 0000000000000000 "clang version 12.0.0" 29; CHECK-NEXT: 0x00000018: 0000000000000015 "foo.c" 30; CHECK-NEXT: 0x00000020: 000000000000001b "/tmp" 31; CHECK-NEXT: 0x00000028: 0000000000000020 "foo" 32; CHECK-NEXT: 0x00000030: 0000000000000024 "int" 33 34; IR generated and reduced from: 35; $ cat foo.c 36; int foo; 37; $ clang -g -S -emit-llvm foo.c -o foo.ll 38 39target triple = "x86_64-unknown-linux-gnu" 40 41@foo = dso_local global i32 0, align 4, !dbg !0 42 43!llvm.dbg.cu = !{!2} 44!llvm.module.flags = !{!7, !8, !9} 45!llvm.ident = !{!10} 46 47!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 48!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 49!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None) 50!3 = !DIFile(filename: "foo.c", directory: "/tmp") 51!4 = !{} 52!5 = !{!0} 53!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 54!7 = !{i32 7, !"Dwarf Version", i32 4} 55!8 = !{i32 2, !"Debug Info Version", i32 3} 56!9 = !{i32 1, !"wchar_size", i32 4} 57!10 = !{!"clang version 12.0.0"} 58