1 ; This checks that .debug_info can be generated in the DWARF64 format.
3 ; RUN: llc -mtriple=x86_64 -dwarf-version=3 -dwarf64 -filetype=obj %s -o %t3
4 ; RUN: llvm-dwarfdump -debug-abbrev -debug-info -v %t3 | \
5 ; RUN: FileCheck %s --check-prefixes=CHECK,DWARFv3
7 ; RUN: llc -mtriple=x86_64 -dwarf-version=4 -dwarf64 -filetype=obj %s -o %t4
8 ; RUN: llvm-dwarfdump -debug-abbrev -debug-info -v %t4 | \
9 ; RUN: FileCheck %s --check-prefixes=CHECK,DWARFv4
11 ; CHECK: .debug_abbrev contents:
12 ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes
13 ; CHECK-NEXT: DW_AT_producer DW_FORM_strp
14 ; CHECK-NEXT: DW_AT_language DW_FORM_data2
15 ; CHECK-NEXT: DW_AT_name DW_FORM_strp
16 ; DWARFv3-NEXT: DW_AT_stmt_list DW_FORM_data8
17 ; DWARFv4-NEXT: DW_AT_stmt_list DW_FORM_sec_offset
18 ; CHECK-NEXT: DW_AT_comp_dir DW_FORM_strp
19 ; CHECK: [2] DW_TAG_variable DW_CHILDREN_no
20 ; CHECK-NEXT: DW_AT_name DW_FORM_strp
21 ; CHECK-NEXT: DW_AT_type DW_FORM_ref4
22 ; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no
23 ; CHECK-NEXT: DW_AT_name DW_FORM_strp
25 ; CHECK: .debug_info contents:
26 ; CHECK: Compile Unit: length = 0x{{([[:xdigit:]]{16})}}, format = DWARF64,
27 ; CHECK: DW_TAG_compile_unit [1] *
28 ; CHECK-NEXT: DW_AT_producer [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "clang version 12.0.0")
29 ; CHECK-NEXT: DW_AT_language [DW_FORM_data2] (DW_LANG_C99)
30 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "foo.c")
31 ; DWARFv3-NEXT: DW_AT_stmt_list [DW_FORM_data8] (0x0000000000000000)
32 ; DWARFv4-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset] (0x0000000000000000)
33 ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "/tmp")
34 ; CHECK: DW_TAG_variable [2]
35 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "foo")
36 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.+}} => {{.+}} "int")
37 ; CHECK: DW_TAG_base_type [3]
38 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{([[:xdigit:]]{16})}}] = "int")
40 ; IR generated and reduced from:
43 ; $ clang -g -S -emit-llvm foo.c -o foo.ll
45 target triple = "x86_64-unknown-linux-gnu"
47 @foo = dso_local global i32 0, align 4, !dbg !0
50 !llvm.module.flags = !{!7, !8, !9}
53 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
54 !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
55 !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)
56 !3 = !DIFile(filename: "foo.c", directory: "/tmp")
59 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
60 !7 = !{i32 7, !"Dwarf Version", i32 4}
61 !8 = !{i32 2, !"Debug Info Version", i32 3}
62 !9 = !{i32 1, !"wchar_size", i32 4}
63 !10 = !{!"clang version 12.0.0"}