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69e607f200
This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312144 91177308-0d34-0410-b5e6-96231b3b80d8
199 lines
10 KiB
LLVM
199 lines
10 KiB
LLVM
; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c
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; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c'
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source_filename = "test/DebugInfo/X86/debug-info-packed-struct.ll"
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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-darwin"
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; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s
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; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s
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; REQUIRES: object-emission
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; // ---------------------------------------------------------------------
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; // Not packed.
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; // ---------------------------------------------------------------------
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; struct size8 {
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; int i : 4;
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; long long l : 60;
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; };
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; struct layout0 {
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; char l0_ofs0;
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; struct size8 l0_ofs8;
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; int l0_ofs16 : 1;
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; } l0;
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%struct.layout0 = type { i8, %struct.size8, i8 }
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%struct.size8 = type { i64 }
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%struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }>
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%struct.size8_anon = type { i64 }
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_name {{.*}} "layout0"
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; CHECK: DW_AT_byte_size {{.*}} (0x18)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l0_ofs0"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l0_ofs8"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l0_ofs16"
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; CHECK: DW_AT_bit_size {{.*}} (0x01)
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; CHECK: DW_AT_bit_offset {{.*}} (0x1f)
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x10)
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; // ---------------------------------------------------------------------
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; // Implicitly packed.
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; // ---------------------------------------------------------------------
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; struct size8_anon {
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; int : 4;
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; long long : 60;
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; };
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; struct layout1 {
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; char l1_ofs0;
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; struct size8_anon l1_ofs1;
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; int l1_ofs9 : 1;
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; } l1;
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%struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }>
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%struct.size8_pack1 = type { i64 }
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%struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8] }>
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%struct.size8_pack4 = type { i64 }
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_name {{.*}} "layout1"
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; CHECK: DW_AT_byte_size {{.*}} (0x0c)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l1_ofs0"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l1_ofs1"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l1_ofs9"
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK: DW_AT_bit_size {{.*}} (0x01)
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; CHECK: DW_AT_bit_offset {{.*}} (0x17)
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8)
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; // ---------------------------------------------------------------------
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; // Explicitly packed.
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; // ---------------------------------------------------------------------
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; #pragma pack(1)
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; struct size8_pack1 {
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; int i : 4;
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; long long l : 60;
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; };
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; struct layout2 {
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; char l2_ofs0;
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; struct size8_pack1 l2_ofs1;
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; int l2_ofs9 : 1;
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; } l2;
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; #pragma pack()
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@l0 = common global %struct.layout0 zeroinitializer, align 8, !dbg !0
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@l1 = common global %struct.layout1 zeroinitializer, align 4, !dbg !6
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_name {{.*}} "layout2"
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; CHECK: DW_AT_byte_size {{.*}} (0x0a)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l2_ofs0"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l2_ofs1"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l2_ofs9"
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK: DW_AT_bit_size {{.*}} (0x01)
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; CHECK: DW_AT_bit_offset {{.*}} (0x17)
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8)
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; // ---------------------------------------------------------------------
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; // Explicitly packed with different alignment.
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; // ---------------------------------------------------------------------
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; #pragma pack(4)
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; struct size8_pack4 {
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; int i : 4;
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; long long l : 60;
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; };
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; struct layout3 {
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; char l3_ofs0;
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; struct size8_pack4 l3_ofs4;
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; int l3_ofs12 : 1;
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; } l 3;
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; #pragma pack()
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@l2 = common global %struct.layout2 zeroinitializer, align 1, !dbg !17
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@l3 = common global %struct.layout3 zeroinitializer, align 4, !dbg !29
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_name {{.*}} "layout3"
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; CHECK: DW_AT_byte_size {{.*}} (0x10)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l3_ofs0"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l3_ofs4"
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x4)
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name {{.*}} "l3_ofs12"
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; CHECK: DW_AT_byte_size {{.*}} (0x04)
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; CHECK: DW_AT_bit_size {{.*}} (0x01)
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; CHECK: DW_AT_bit_offset {{.*}} (0x1f)
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; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0xc)
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!49, !50}
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!llvm.ident = !{!51}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "l0", scope: !2, file: !8, line: 88, type: !40, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !5, imports: !4)
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!3 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>", directory: "/llvm/_build.ninja.release")
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!4 = !{}
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!5 = !{!0, !6, !17, !29}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = !DIGlobalVariable(name: "l1", scope: !2, file: !8, line: 89, type: !9, isLocal: false, isDefinition: true)
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!8 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release")
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!9 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !8, line: 34, size: 96, elements: !10)
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!10 = !{!11, !13, !15}
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !9, file: !8, line: 35, baseType: !12, size: 8)
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!12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !9, file: !8, line: 36, baseType: !14, size: 64, offset: 8)
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!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !8, line: 30, size: 64, elements: !4)
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !9, file: !8, line: 37, baseType: !16, size: 1, offset: 72)
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!16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!17 = !DIGlobalVariableExpression(var: !18, expr: !DIExpression())
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!18 = !DIGlobalVariable(name: "l2", scope: !2, file: !8, line: 90, type: !19, isLocal: false, isDefinition: true)
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!19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !8, line: 54, size: 80, elements: !20)
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!20 = !{!21, !22, !28}
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!21 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !19, file: !8, line: 55, baseType: !12, size: 8)
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!22 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !19, file: !8, line: 56, baseType: !23, size: 64, offset: 8)
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!23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !8, line: 50, size: 64, elements: !24)
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!24 = !{!25, !26}
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!25 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !23, file: !8, line: 51, baseType: !16, size: 4)
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!26 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !23, file: !8, line: 52, baseType: !27, size: 60, offset: 4)
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!27 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
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!28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !19, file: !8, line: 57, baseType: !16, size: 1, offset: 72)
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!29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression())
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!30 = !DIGlobalVariable(name: "l3", scope: !2, file: !8, line: 91, type: !31, isLocal: false, isDefinition: true)
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!31 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !8, line: 76, size: 128, elements: !32)
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!32 = !{!33, !34, !39}
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!33 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !31, file: !8, line: 77, baseType: !12, size: 8)
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!34 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !31, file: !8, line: 78, baseType: !35, size: 64, offset: 32)
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!35 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !8, line: 72, size: 64, elements: !36)
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!36 = !{!37, !38}
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!37 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !35, file: !8, line: 73, baseType: !16, size: 4)
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!38 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !35, file: !8, line: 74, baseType: !27, size: 60, offset: 4)
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!39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !31, file: !8, line: 79, baseType: !16, size: 1, offset: 96)
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!40 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !8, line: 15, size: 192, elements: !41)
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!41 = !{!42, !43, !48}
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!42 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !40, file: !8, line: 16, baseType: !12, size: 8)
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!43 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !40, file: !8, line: 17, baseType: !44, size: 64, offset: 64)
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!44 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !8, line: 11, size: 64, elements: !45)
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!45 = !{!46, !47}
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!46 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !44, file: !8, line: 12, baseType: !16, size: 4)
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!47 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !44, file: !8, line: 13, baseType: !27, size: 60, offset: 4)
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!48 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !40, file: !8, line: 18, baseType: !16, size: 1, offset: 128)
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!49 = !{i32 2, !"Dwarf Version", i32 2}
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!50 = !{i32 2, !"Debug Info Version", i32 3}
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!51 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"}
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