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f592a825b3
The major visible difference here is that in line-table dumps, directory and file names are wrapped in double-quotes; previously, directory names got single quotes and file names were not quoted at all. The improvement in this patch is that when a DWARF v5 line table header has indirect strings, in a verbose dump these will all have their section[offset] printed as well as the name itself. This matches the format used for dumping strings in the .debug_info section. Differential Revision: https://reviews.llvm.org/D42802 llvm-svn: 324270
281 lines
12 KiB
LLVM
281 lines
12 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc < %s -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu
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; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=SINGLE %s
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; RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=OBJ_SINGLE %s
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; RUN: llc < %s -split-dwarf-file=foo.dwo -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu
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; RUN: llvm-dwarfdump -v %t | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s
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; RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=OBJ_FISSION %s
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; Generated from bar.cpp:
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; #line 1 "bar.h"
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; struct bar {};
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; #line 2 "bar.cpp"
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; struct bar b;
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; void foo(void) {
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; struct baz {};
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; baz b;
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; }
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; namespace echidna {
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; namespace capybara {
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; namespace mongoose {
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; class fluffy {
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; int a;
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; int b;
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; };
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; fluffy animal;
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; }
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; }
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; }
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; namespace {
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; struct walrus {
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; walrus() {}
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; };
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; }
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; walrus w;
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; struct wombat {
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; struct {
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; int a;
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; int b;
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; } a_b;
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; };
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; wombat wom;
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; SINGLE-LABEL: .debug_info contents:
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; FISSION-LABEL: .debug_info.dwo contents:
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; CHECK: Compile Unit: length = [[CU_SIZE:[0-9a-f]+]]
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; CHECK: [[BAR:^0x........]]: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_declaration
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; CHECK-NEXT: DW_AT_signature {{.*}} (0x1d02f3be30cc5688)
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; CHECK: [[FLUFFY:^0x........]]: DW_TAG_class_type
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; CHECK-NEXT: DW_AT_declaration
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; CHECK-NEXT: DW_AT_signature {{.*}} (0xb04af47397402e77)
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; Ensure the CU-local type 'walrus' is not placed in a type unit.
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; CHECK: [[WALRUS:^0x........]]: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name{{.*}}"walrus"
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; CHECK-NEXT: DW_AT_byte_size
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; CHECK-NEXT: DW_AT_decl_file
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; CHECK-NEXT: DW_AT_decl_line
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; CHECK: [[WOMBAT:^0x........]]: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_declaration
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; CHECK-NEXT: DW_AT_signature {{.*}} (0xfd756cee88f8a118)
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; SINGLE-LABEL: .debug_types contents:
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; FISSION: .debug_types.dwo contents:
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; Check that we generate a hash for bar and the value.
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; CHECK-NOT: type_signature
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; CHECK-LABEL: type_signature = 0x1d02f3be30cc5688
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; CHECK: DW_TAG_structure_type
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; FISSION-NEXT: DW_AT_name {{.*}} ( indexed {{.*}} "bar"
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; SINGLE-NEXT: DW_AT_name {{.*}} "bar"
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; Check that we generate a hash for fluffy and the value.
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; CHECK-NOT: type_signature
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; CHECK-LABEL: type_signature = 0xb04af47397402e77
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; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52)
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; CHECK: DW_TAG_namespace
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; CHECK-NEXT: DW_AT_name{{.*}}"echidna"
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; CHECK: DW_TAG_namespace
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; CHECK-NEXT: DW_AT_name{{.*}}"capybara"
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; CHECK: DW_TAG_namespace
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; CHECK-NEXT: DW_AT_name{{.*}}"mongoose"
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; CHECK: DW_TAG_class_type
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; CHECK-NEXT: DW_AT_name{{.*}}"fluffy"
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; Check that we generate a hash for wombat and the value, but not for the
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; anonymous type contained within.
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; CHECK-NOT: type_signature
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; CHECK-LABEL: type_signature = 0xfd756cee88f8a118
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; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7)
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name{{.*}}"wombat"
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; CHECK-NOT: type_signature
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; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b
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; CHECK: DW_TAG_type_unit
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; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)
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; CHECK-NOT: NULL
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; CHECK-NOT: DW_AT_GNU_odr_signature
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; CHECK: DW_TAG_structure_type
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; The signature for the outer 'wombat' type
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; CHECK: DW_AT_signature [DW_FORM_ref_sig8] (0xfd756cee88f8a118)
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; CHECK: DW_TAG_structure_type
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; CHECK-NOT: DW_AT_name
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; CHECK-NOT: DW_AT_GNU_odr_signature
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; CHECK: DW_TAG_member
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; CHECK-NEXT: DW_AT_name{{.*}}"a"
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; CHECK-LABEL: .debug_line contents:
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; CHECK: Line table prologue
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; CHECK-NOT: file_names[
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; SINGLE: file_names{{.*}} "bar.h"
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; CHECK: file_names{{.*}} "bar.cpp"
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; CHECK-NOT: file_names[
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; FISSION: .debug_line.dwo contents:
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; CHECK-NOT: .debug_line.dwo contents:
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; FISSION: Line table prologue
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; FISSION: opcode_base: 1
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; FISSION-NOT: standard_opcode_lengths
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; FISSION-NOT: include_directories
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; FISSION-NOT: file_names[
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; FISSION: file_names{{.*}} "bar.h"
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; FISSION: file_names{{.*}} "bar.cpp"
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; FISSION-NOT: file_names[
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; CHECK-LABEL: .debug_str contents:
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; Use the unit size as a rough hash/identifier for the unit we're dealing with
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; it happens to be unambiguous at the moment, but it's hardly ideal.
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; CHECK-LABEL: .debug_pubtypes contents:
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; Don't emit pubtype entries for type DIEs in the compile unit that just indirect to a type unit.
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; CHECK-NEXT: unit_size = [[CU_SIZE]]
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; CHECK-NEXT: Offset Name
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; CHECK-DAG: [[BAR]] "bar"
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; CHECK-DAG: [[WALRUS]] "(anonymous namespace)::walrus"
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; CHECK-DAG: [[WOMBAT]] "wombat"
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; CHECK-DAG: [[FLUFFY]] "echidna::capybara::mongoose::fluffy"
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; Make sure debug_types are in comdat groups. This could be more rigid to check
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; that they're the right comdat groups (each type in a separate comdat group,
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; etc)
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; OBJ_SINGLE: Name: .debug_types (
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; OBJ_SINGLE-NOT: }
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; OBJ_SINGLE: SHF_GROUP
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; Fission type units don't go in comdat groups, since their linker is debug
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; aware it's handled using the debug info semantics rather than raw ELF object
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; semantics.
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; OBJ_FISSION: Name: .debug_types.dwo (
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; OBJ_FISSION-NOT: SHF_GROUP
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; OBJ_FISSION: }
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source_filename = "test/DebugInfo/X86/generate-odr-hash.ll"
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%struct.bar = type { i8 }
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%"class.echidna::capybara::mongoose::fluffy" = type { i32, i32 }
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%"struct.<anonymous namespace>::walrus" = type { i8 }
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%struct.wombat = type { %struct.anon }
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%struct.anon = type { i32, i32 }
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%struct.baz = type { i8 }
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@b = global %struct.bar zeroinitializer, align 1, !dbg !0
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@_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4, !dbg !6
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@w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1, !dbg !16
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@wom = global %struct.wombat zeroinitializer, align 4, !dbg !25
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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; Function Attrs: nounwind uwtable
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define void @_Z3foov() #0 !dbg !40 {
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entry:
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%b = alloca %struct.baz, align 1
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call void @llvm.dbg.declare(metadata %struct.baz* %b, metadata !43, metadata !45), !dbg !46
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ret void, !dbg !47
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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define internal void @__cxx_global_var_init() section ".text.startup" !dbg !48 {
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entry:
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call void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* @w), !dbg !49
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ret void, !dbg !49
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}
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; Function Attrs: nounwind uwtable
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define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* %this) unnamed_addr #0 align 2 !dbg !50 {
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entry:
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%this.addr = alloca %"struct.<anonymous namespace>::walrus"*, align 8
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store %"struct.<anonymous namespace>::walrus"* %this, %"struct.<anonymous namespace>::walrus"** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %"struct.<anonymous namespace>::walrus"** %this.addr, metadata !51, metadata !45), !dbg !53
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%this1 = load %"struct.<anonymous namespace>::walrus"*, %"struct.<anonymous namespace>::walrus"** %this.addr
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ret void, !dbg !54
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}
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define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !55 {
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entry:
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call void @__cxx_global_var_init(), !dbg !57
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ret void, !dbg !57
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!34}
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!llvm.module.flags = !{!37, !38}
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!llvm.ident = !{!39}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "bar.cpp", directory: "/tmp/dbginfo")
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!3 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", file: !4, line: 1, size: 8, align: 8, elements: !5, identifier: "_ZTS3bar")
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!4 = !DIFile(filename: "bar.h", directory: "/tmp/dbginfo")
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!5 = !{}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", scope: !8, file: !2, line: 18, type: !11, isLocal: false, isDefinition: true)
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!8 = !DINamespace(name: "mongoose", scope: !9)
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!9 = !DINamespace(name: "capybara", scope: !10)
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!10 = !DINamespace(name: "echidna", scope: null)
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!11 = !DICompositeType(tag: DW_TAG_class_type, name: "fluffy", scope: !8, file: !2, line: 13, size: 64, align: 32, elements: !12, identifier: "_ZTSN7echidna8capybara8mongoose6fluffyE")
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!12 = !{!13, !15}
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !11, file: !2, line: 14, baseType: !14, size: 32, align: 32, flags: DIFlagPrivate)
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!14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !11, file: !2, line: 15, baseType: !14, size: 32, align: 32, offset: 32, flags: DIFlagPrivate)
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!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
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!17 = !DIGlobalVariable(name: "w", scope: null, file: !2, line: 29, type: !18, isLocal: true, isDefinition: true)
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!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "walrus", scope: !19, file: !2, line: 24, size: 8, align: 8, elements: !20)
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!19 = !DINamespace(scope: null)
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!20 = !{!21}
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!21 = !DISubprogram(name: "walrus", scope: !18, file: !2, line: 25, type: !22, isLocal: false, isDefinition: false, scopeLine: 25, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false)
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!22 = !DISubroutineType(types: !23)
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!23 = !{null, !24}
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!24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression())
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!26 = !DIGlobalVariable(name: "wom", scope: null, file: !2, line: 38, type: !27, isLocal: false, isDefinition: true)
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!27 = !DICompositeType(tag: DW_TAG_structure_type, name: "wombat", file: !2, line: 31, size: 64, align: 32, elements: !28, identifier: "_ZTS6wombat")
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!28 = !{!29}
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!29 = !DIDerivedType(tag: DW_TAG_member, name: "a_b", scope: !27, file: !2, line: 35, baseType: !30, size: 64, align: 32)
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!30 = !DICompositeType(tag: DW_TAG_structure_type, scope: !27, file: !2, line: 32, size: 64, align: 32, elements: !31, identifier: "_ZTSN6wombatUt_E")
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!31 = !{!32, !33}
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!32 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !30, file: !2, line: 33, baseType: !14, size: 32, align: 32)
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!33 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !30, file: !2, line: 34, baseType: !14, size: 32, align: 32, offset: 32)
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!34 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, splitDebugFilename: "bar.dwo", emissionKind: FullDebug, enums: !5, retainedTypes: !35, globals: !36, imports: !5)
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!35 = !{!3, !11, !27, !30}
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!36 = !{!0, !6, !16, !25}
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!37 = !{i32 2, !"Dwarf Version", i32 4}
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!38 = !{i32 1, !"Debug Info Version", i32 3}
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!39 = !{!"clang version 3.5 "}
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!40 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !2, file: !2, line: 5, type: !41, isLocal: false, isDefinition: true, scopeLine: 5, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, variables: !5)
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!41 = !DISubroutineType(types: !42)
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!42 = !{null}
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!43 = !DILocalVariable(name: "b", scope: !40, file: !2, line: 7, type: !44)
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!44 = !DICompositeType(tag: DW_TAG_structure_type, name: "baz", scope: !40, file: !2, line: 6, size: 8, align: 8, elements: !5)
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!45 = !DIExpression()
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!46 = !DILocation(line: 7, scope: !40)
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!47 = !DILocation(line: 8, scope: !40)
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!48 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !2, file: !2, line: 29, type: !41, isLocal: true, isDefinition: true, scopeLine: 29, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, variables: !5)
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!49 = !DILocation(line: 29, scope: !48)
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!50 = distinct !DISubprogram(name: "walrus", linkageName: "_ZN12_GLOBAL__N_16walrusC2Ev", scope: !18, file: !2, line: 25, type: !22, isLocal: true, isDefinition: true, scopeLine: 25, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !34, declaration: !21, variables: !5)
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!51 = !DILocalVariable(name: "this", arg: 1, scope: !50, type: !52, flags: DIFlagArtificial | DIFlagObjectPointer)
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!52 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, align: 64)
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!53 = !DILocation(line: 0, scope: !50)
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!54 = !DILocation(line: 25, scope: !50)
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!55 = distinct !DISubprogram(linkageName: "_GLOBAL__I_a", scope: !2, file: !2, line: 25, type: !56, isLocal: true, isDefinition: true, scopeLine: 25, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !34, variables: !5)
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!56 = !DISubroutineType(types: !5)
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!57 = !DILocation(line: 25, scope: !55)
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