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88 lines
3.1 KiB
88 lines
3.1 KiB
; This checks that .debug_names can be generated in the DWARF64 format.
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; RUN: llc -mtriple=x86_64 -dwarf64 -accel-tables=Dwarf -dwarf-version=5 -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-info -debug-names %t | FileCheck %s
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; RUN: llvm-dwarfdump -debug-names -verify %t | FileCheck --check-prefix=VERIFY %s
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; CHECK: .debug_info contents:
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; CHECK-NEXT: 0x00000000: Compile Unit: {{.+}}, format = DWARF64,
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; CHECK: [[VARDIE:.+]]: DW_TAG_variable
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; CHECK-NEXT: DW_AT_name ("foo")
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; CHECK: [[TYPEDIE:.+]]: DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name ("int")
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; CHECK: .debug_names contents:
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; CHECK-NEXT: Name Index @ 0x0 {
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; CHECK-NEXT: Header {
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; CHECK: Format: DWARF64
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; CHECK-NEXT: Version: 5
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; CHECK-NEXT: CU count: 1
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; CHECK-NEXT: Local TU count: 0
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; CHECK-NEXT: Foreign TU count: 0
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; CHECK-NEXT: Bucket count: 2
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; CHECK-NEXT: Name count: 2
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; CHECK: }
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; CHECK-NEXT: Compilation Unit offsets [
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; CHECK-NEXT: CU[0]: 0x00000000
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; CHECK-NEXT: ]
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; CHECK-NEXT: Abbreviations [
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; CHECK-NEXT: Abbreviation 0x34 {
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; CHECK-NEXT: Tag: DW_TAG_variable
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; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4
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; CHECK-NEXT: }
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; CHECK-NEXT: Abbreviation 0x24 {
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; CHECK-NEXT: Tag: DW_TAG_base_type
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; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4
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; CHECK-NEXT: }
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; CHECK-NEXT: ]
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; CHECK-NEXT: Bucket 0 [
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; CHECK-NEXT: Name 1 {
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; CHECK-NEXT: Hash: 0xB888030
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; CHECK-NEXT: String: {{.+}} "int"
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; CHECK-NEXT: Entry @ {{.+}} {
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; CHECK-NEXT: Abbrev: 0x24
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; CHECK-NEXT: Tag: DW_TAG_base_type
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; CHECK-NEXT: DW_IDX_die_offset: [[TYPEDIE]]
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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; CHECK-NEXT: ]
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; CHECK-NEXT: Bucket 1 [
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; CHECK-NEXT: Name 2 {
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; CHECK-NEXT: Hash: 0xB887389
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; CHECK-NEXT: String: {{.+}} "foo"
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; CHECK-NEXT: Entry @ {{.+}} {
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; CHECK-NEXT: Abbrev: 0x34
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; CHECK-NEXT: Tag: DW_TAG_variable
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; CHECK-NEXT: DW_IDX_die_offset: [[VARDIE]]
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; CHECK-NEXT: }
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; CHECK-NEXT: }
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; CHECK-NEXT: ]
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; CHECK-NEXT: }
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; VERIFY: No errors.
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; IR generated and reduced from:
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; $ cat foo.c
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; int foo;
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; $ clang -g -gpubnames -S -emit-llvm foo.c -o foo.ll
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target triple = "x86_64-unknown-linux-gnu"
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@foo = dso_local global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9}
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!llvm.ident = !{!10}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "foo.c", directory: "/tmp")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 7, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{!"clang version 12.0.0"}
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