| ; This checks that .debug_info can be generated in the DWARF64 format. |
| |
| ; RUN: llc -mtriple=x86_64 -dwarf-version=3 -dwarf64 -filetype=obj %s -o %t3 |
| ; RUN: llvm-dwarfdump -debug-abbrev -debug-info -v %t3 | \ |
| ; RUN: FileCheck %s --check-prefixes=CHECK,DWARFv3 |
| |
| ; RUN: llc -mtriple=x86_64 -dwarf-version=4 -dwarf64 -filetype=obj %s -o %t4 |
| ; RUN: llvm-dwarfdump -debug-abbrev -debug-info -v %t4 | \ |
| ; RUN: FileCheck %s --check-prefixes=CHECK,DWARFv4 |
| |
| ; CHECK: .debug_abbrev contents: |
| ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes |
| ; CHECK-NEXT: DW_AT_producer DW_FORM_strp |
| ; CHECK-NEXT: DW_AT_language DW_FORM_data2 |
| ; CHECK-NEXT: DW_AT_name DW_FORM_strp |
| ; DWARFv3-NEXT: DW_AT_stmt_list DW_FORM_data8 |
| ; DWARFv4-NEXT: DW_AT_stmt_list DW_FORM_sec_offset |
| ; CHECK-NEXT: DW_AT_comp_dir DW_FORM_strp |
| ; CHECK: [2] DW_TAG_variable DW_CHILDREN_no |
| ; CHECK-NEXT: DW_AT_name DW_FORM_strp |
| ; CHECK-NEXT: DW_AT_type DW_FORM_ref4 |
| ; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no |
| ; CHECK-NEXT: DW_AT_name DW_FORM_strp |
| |
| ; CHECK: .debug_info contents: |
| ; CHECK: Compile Unit: length = 0x{{([[:xdigit:]]{16})}}, format = DWARF64, |
| ; CHECK: DW_TAG_compile_unit [1] * |
| ; CHECK-NEXT: DW_AT_producer [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "clang version 12.0.0") |
| ; CHECK-NEXT: DW_AT_language [DW_FORM_data2] (DW_LANG_C99) |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "foo.c") |
| ; DWARFv3-NEXT: DW_AT_stmt_list [DW_FORM_data8] (0x0000000000000000) |
| ; DWARFv4-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x0000000000000000) |
| ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "/tmp") |
| ; CHECK: DW_TAG_variable [2] |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "foo") |
| ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.+}} => {{.+}} "int") |
| ; CHECK: DW_TAG_base_type [3] |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "int") |
| |
| ; IR generated and reduced from: |
| ; $ cat foo.c |
| ; int foo; |
| ; $ clang -g -S -emit-llvm foo.c -o foo.ll |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @foo = dso_local global i32 0, align 4, !dbg !0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!7, !8, !9} |
| !llvm.ident = !{!10} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) |
| !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) |
| !3 = !DIFile(filename: "foo.c", directory: "/tmp") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !7 = !{i32 7, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{i32 1, !"wchar_size", i32 4} |
| !10 = !{!"clang version 12.0.0"} |