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74 lines
3.1 KiB
LLVM
74 lines
3.1 KiB
LLVM
; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \
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; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s
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; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \
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; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=LINUX
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; LINUX-NOT: DW_AT_data_bit_offset
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;
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; Generated from:
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; #include <stdint.h>
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; #pragma pack(1)
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; struct PackedBits
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; {
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; char a;
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; uint32_t b : 5,
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; c : 27
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; } s;
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; #pragma pack()
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source_filename = "bitfield.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx"
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%struct.PackedBits = type <{ i8, i32 }>
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@s = common global %struct.PackedBits zeroinitializer, align 1, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!15, !16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.9.0 (trunk 267633)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm")
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!4 = !{}
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!5 = !{!0}
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!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !3, line: 3, size: 40, elements: !7)
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!7 = !{!8, !10, !14}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 5, baseType: !9, size: 8)
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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
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; CHECK-NOT: DW_AT_bit_offset
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; CHECK-NOT: DW_AT_data_bit_offset
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; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00)
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!9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 6, baseType: !11, size: 5, offset: 8)
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!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !12, line: 183, baseType: !13)
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!12 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm")
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!13 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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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
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; CHECK-NOT: DW_AT_bit_offset
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; CHECK-NOT: DW_AT_byte_size
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; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x05)
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; CHECK-NOT: DW_AT_byte_size
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; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x08)
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; CHECK-NOT: DW_AT_data_member_location
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !3, line: 7, baseType: !11, size: 27, offset: 13)
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!15 = !{i32 2, !"Dwarf Version", i32 4}
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!16 = !{i32 2, !"Debug Info Version", i32 3}
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!17 = !{i32 1, !"PIC Level", i32 2}
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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
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; CHECK-NOT: DW_AT_bit_offset
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; CHECK-NOT: DW_AT_byte_size
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; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x1b)
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; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x0d)
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; CHECK-NOT: DW_AT_data_member_location
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; CHECK: DW_TAG
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!18 = !{!"clang version 3.9.0 (trunk 267633)"}
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