You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
2.2 KiB
51 lines
2.2 KiB
; RUN: llc -dwarf-version=2 -mtriple x86_64-apple-macosx -O0 -filetype=obj -o %t_2_le.o %s
|
|
; RUN: llvm-dwarfdump -v -debug-info %t_2_le.o | FileCheck %s
|
|
; RUN: llc -dwarf-version=4 -debugger-tune=gdb -mtriple x86_64-apple-macosx -O0 -filetype=obj -o %t_4_le.o %s
|
|
; RUN: llvm-dwarfdump -v -debug-info %t_4_le.o | FileCheck %s
|
|
|
|
; Produced at -O0 from:
|
|
; struct {
|
|
; char : 3;
|
|
; char a : 6;
|
|
; } __attribute__((__packed__)) b;
|
|
|
|
; Note that DWARF 2 counts bit offsets backwards from the high end of
|
|
; the storage unit to the high end of the bit field.
|
|
|
|
; CHECK: DW_TAG_member
|
|
; CHECK-NEXT: DW_AT_name{{.*}}"a"
|
|
; CHECK-NOT: DW_TAG_member
|
|
; CHECK: DW_AT_byte_size {{.*}} (0x01)
|
|
; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x06)
|
|
; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0xffffffffffffffff)
|
|
; CHECK-NEXT: DW_AT_data_member_location {{.*}} ({{.*}}0x0{{0*}})
|
|
|
|
; ModuleID = 'repro.c'
|
|
source_filename = "repro.c"
|
|
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.4.0"
|
|
|
|
%struct.anon = type { i16 }
|
|
|
|
@b = global %struct.anon zeroinitializer, align 1, !dbg !0
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!10, !11, !12, !13}
|
|
!llvm.ident = !{!14}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 4, type: !6, isLocal: false, isDefinition: true)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None, sysroot: "/")
|
|
!3 = !DIFile(filename: "repro.c", directory: "/tmp")
|
|
!4 = !{}
|
|
!5 = !{!0}
|
|
!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 1, size: 16, elements: !7)
|
|
!7 = !{!8}
|
|
!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 3, baseType: !9, size: 6, offset: 3, flags: DIFlagBitField, extraData: i64 0)
|
|
!9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
|
|
!10 = !{i32 7, !"Dwarf Version", i32 2}
|
|
!11 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!12 = !{i32 1, !"wchar_size", i32 4}
|
|
!13 = !{i32 7, !"PIC Level", i32 2}
|
|
!14 = !{!"clang version 11.0.0 "}
|