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7876f64bc3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265081 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
3.0 KiB
LLVM
74 lines
3.0 KiB
LLVM
; RUN: llc -mtriple aarch64_be-gnu-linux -O0 -filetype=obj -o %t_be.o %s
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; RUN: llvm-dwarfdump -debug-dump=info %t_be.o | FileCheck %s
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; Produced at -O0 from:
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; struct bitfield {
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; int a : 2;
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; int b : 32;
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; int c : 1;
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; int d : 28;
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; };
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; struct bitfield b;
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; Note that DWARF 2 counts bit offsets backwards from the high end of
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; the storage unit to the high end of the bit field.
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name{{.*}}"a"
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; CHECK-NOT: DW_TAG_member
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x02)
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; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x00)
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; CHECK-NEXT: DW_AT_data_member_location {{.*}} 00
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name{{.*}}"b"
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; CHECK-NOT: DW_TAG_member
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; CHECK: DW_AT_data_member_location {{.*}} 04
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name{{.*}}"c"
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; CHECK-NOT: DW_TAG_member
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x01)
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; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x00)
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; CHECK-NEXT: DW_AT_data_member_location {{.*}} 08
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name{{.*}}"d"
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; CHECK-NOT: DW_TAG_member
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x1c)
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; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x01)
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; CHECK-NEXT: DW_AT_data_member_location {{.*}} 08
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; ModuleID = 'bitfields.c'
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target datalayout = "E-m:e-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64_be--linux-gnu"
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%struct.bitfield = type <{ i8, [3 x i8], i64 }>
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@b = common global %struct.bitfield zeroinitializer, align 4
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!13, !14, !15}
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!llvm.ident = !{!16}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 240548) (llvm/trunk 240554)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2)
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!1 = !DIFile(filename: "bitfields.c", directory: "/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true, variable: %struct.bitfield* @b)
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!5 = !DIFile(filename: "bitfields.c", directory: "/")
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!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "bitfield", file: !5, line: 1, size: 96, align: 32, elements: !7)
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!7 = !{!8, !10, !11, !12}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !5, line: 2, baseType: !9, size: 2, align: 32)
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!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !5, line: 3, baseType: !9, size: 32, align: 32, offset: 32)
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !5, line: 4, baseType: !9, size: 1, align: 32, offset: 64)
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !6, file: !5, line: 5, baseType: !9, size: 28, align: 32, offset: 65)
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!13 = !{i32 2, !"Dwarf Version", i32 2}
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!14 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !{i32 1, !"PIC Level", i32 2}
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!16 = !{!"clang version 3.7.0 (trunk 240548) (llvm/trunk 240554)"}
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