Recommitted after checking the fix with asan, in r198908.<br><br><div>On Thu Jan 09 2014 at 9:00:20 AM, <a href="mailto:dblaikie@gmail.com">dblaikie@gmail.com</a> <<a href="mailto:dblaikie@gmail.com">dblaikie@gmail.com</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks guys! Will take a look shortly<br><p dir="ltr"></p>
<p dir="ltr">On Thursday, January 9, 2014 5:13:59 AM, NAKAMURA Takumi <<a href="mailto:geek4civic@gmail.com" target="_blank">geek4civic@gmail.com</a>> wrote:</p>
<blockquote><p dir="ltr">David, excuse me, reverted in r198865.</p>
<p dir="ltr">2014/1/9 Kostya Serebryany <<a href="mailto:kcc@google.com" target="_blank">kcc@google.com</a>>:<br>
> msan bootstrap bot is up and finds this bug too:<br>
> <a href="http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/1611/steps/check-llvm%20msan/logs/stdio" target="_blank">http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/1611/steps/check-llvm%20msan/logs/stdio</a><br>
><br>
><br>
> On Thu, Jan 9, 2014 at 12:27 PM, Kostya Serebryany <<a href="mailto:kcc@google.com" target="_blank">kcc@google.com</a>> wrote:<br>
>><br>
>> David,<br>
>><br>
>> I observe a use-of-uninitialized somewhere near the code you were touching<br>
>> in the recent changes.<br>
>> Could you please take a look?<br>
>> This causes asan to SEGV:<br>
>> ./bin/llc /home/kcc/llvm/test/DebugInfo/X86/generate-odr-hash.ll<br>
>> -split-dwarf=Enable -o test/DebugInfo/X86/Output/generate-odr-hash.ll.tmp<br>
>> -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu<br>
>> ASAN:SIGSEGV<br>
>> =================================================================<br>
>> ==22210==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000<br>
>> (pc 0x000001879397 sp 0x7fff102262c0 bp 0x7fff102263b0 T0)<br>
>> #0 0x1879396 in getOffset<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/DIE.h:145<br>
>> #1 0x1879396 in llvm::DwarfTypeUnit::emitHeader(llvm::MCSection<br>
>> const*, llvm::MCSymbol const*) const<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp:1991<br>
>> #2 0x182e3c7 in llvm::DwarfFile::emitUnits(llvm::DwarfDebug*,<br>
>> llvm::MCSection const*, llvm::MCSymbol const*)<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:2123<br>
>> #3 0x180f651 in emitDebugInfo<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:2134<br>
>> #4 0x180f651 in llvm::DwarfDebug::endModule()<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1144<br>
>> #5 0x17d604f in llvm::AsmPrinter::doFinalization(llvm::Module&)<br>
>> /home/kcc/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp:918<br>
>> #6 0x2bc94f8 in llvm::FPPassManager::doFinalization(llvm::Module&)<br>
>> /home/kcc/llvm/lib/IR/LegacyPassManager.cpp:1575<br>
>> #7 0x2bca102 in runOnModule<br>
>> /home/kcc/llvm/lib/IR/LegacyPassManager.cpp:1632<br>
>> #8 0x2bca102 in llvm::legacy::PassManagerImpl::run(llvm::Module&)<br>
>> /home/kcc/llvm/lib/IR/LegacyPassManager.cpp:1710<br>
>> #9 0x62bb93 in compileModule /home/kcc/llvm/tools/llc/llc.cpp:376<br>
>> #10 0x62bb93 in main /home/kcc/llvm/tools/llc/llc.cpp:197<br>
>><br>
>> valgrind tells this:<br>
>> ==22278== Conditional jump or move depends on uninitialised value(s)<br>
>> ==22278== at 0xA6C55C: llvm::DwarfTypeUnit::emitHeader(llvm::MCSection<br>
>> const*, llvm::MCSymbol const*) const<br>
>> ==22278== by 0xA56250: llvm::DwarfFile::emitUnits(llvm::DwarfDebug*,<br>
>> llvm::MCSection const*, llvm::MCSymbol const*)<br>
>> ==22278== by 0xA4E186: llvm::DwarfDebug::endModule()<br>
>> ==22278== by 0xA3E7E7: llvm::AsmPrinter::doFinalization(llvm::Module&)<br>
>> ==22278== by 0x101C03D:<br>
>> llvm::FPPassManager::doFinalization(llvm::Module&)<br>
>> ==22278== by 0x101C578:<br>
>> llvm::legacy::PassManagerImpl::run(llvm::Module&)<br>
>> ==22278== by 0x101C7E9: llvm::legacy::PassManager::run(llvm::Module&)<br>
>> ==22278== by 0x55D088: main<br>
>> ==22278== Uninitialised value was created by a heap allocation<br>
>> ==22278== at 0x4C2C9EE: operator new(unsigned long)<br>
>> (vg_replace_malloc.c:319)<br>
>> ==22278== by 0xA5714A:<br>
>> llvm::DwarfDebug::addDwarfTypeUnitType(llvm::DICompileUnit, llvm::StringRef,<br>
>> llvm::DIE*, llvm::DICompositeType)<br>
>> ==22278== by 0xA66DE6: llvm::DwarfUnit::getOrCreateTypeDIE(llvm::MDNode<br>
>> const*)<br>
>> ==22278== by 0xA6920D: llvm::DwarfUnit::addType(llvm::DIE*,<br>
>> llvm::DIType, llvm::dwarf::Attribute)<br>
>> ==22278== by 0xA6AC04:<br>
>> llvm::DwarfCompileUnit::createGlobalVariableDIE(llvm::DIGlobalVariable)<br>
>> ==22278== by 0xA49104: llvm::DwarfDebug::beginModule()<br>
>> ==22278== by 0xA48DAE: llvm::DwarfDebug::DwarfDebug(llvm::AsmPrinter*,<br>
>> llvm::Module*)<br>
>> ==22278== by 0xA3A3EB:<br>
>> llvm::AsmPrinter::doInitialization(llvm::Module&)<br>
>> ==22278== by 0x101BF75:<br>
>> llvm::FPPassManager::doInitialization(llvm::Module&)<br>
>> ==22278== by 0x101C36D:<br>
>> llvm::legacy::PassManagerImpl::run(llvm::Module&)<br>
>> ==22278== by 0x101C7E9: llvm::legacy::PassManager::run(llvm::Module&)<br>
>> ==22278== by 0x55D088: main<br>
>><br>
>> (our msan bot is down, I suspect msan would catch this as well)<br>
>><br>
>><br>
>><br>
>><br>
>> On Thu, Jan 9, 2014 at 9:08 AM, David Blaikie <<a href="mailto:dblaikie@gmail.com" target="_blank">dblaikie@gmail.com</a>> wrote:<br>
>>><br>
>>> Author: dblaikie<br>
>>> Date: Wed Jan 8 23:08:28 2014<br>
>>> New Revision: 198851<br>
>>><br>
>>> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=198851&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=198851&view=rev</a><br>
>>> Log:<br>
>>> Prototype of skeleton type units for fission<br>
>>><br>
>>> Modified:<br>
>>> llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp<br>
>>> llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h<br>
>>> llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp<br>
>>> llvm/trunk/lib/MC/MCObjectFileInfo.cpp<br>
>>> llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll<br>
>>><br>
>>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp<br>
>>> URL:<br>
>>> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=198851&r1=198850&r2=198851&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=198851&r1=198850&r2=198851&view=diff</a><br>
>>><br>
>>> ==============================================================================<br>
>>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)<br>
>>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Wed Jan 8 23:08:28<br>
>>> 2014<br>
>>> @@ -2976,6 +2976,21 @@ DwarfCompileUnit *DwarfDebug::constructS<br>
>>> return NewCU;<br>
>>> }<br>
>>><br>
>>> +// This DIE has the following attributes: DW_AT_comp_dir,<br>
>>> DW_AT_dwo_name,<br>
>>> +// DW_AT_addr_base.<br>
>>> +DwarfTypeUnit *DwarfDebug::constructSkeletonTU(const DwarfTypeUnit *TU)<br>
>>> {<br>
>>> +<br>
>>> + DIE *Die = new DIE(dwarf::DW_TAG_type_unit);<br>
>>> + DwarfTypeUnit *NewTU = new DwarfTypeUnit(<br>
>>> + TU->getUniqueID(), Die, TU->getCUNode(), Asm, this,<br>
>>> &SkeletonHolder);<br>
>>> + NewTU->setTypeSignature(TU->getTypeSignature());<br>
>>> + NewTU->initSection(<br>
>>> +<br>
>>> Asm->getObjFileLowering().getDwarfTypesSection(TU->getTypeSignature()));<br>
>>> +<br>
>>> + initSkeletonUnit(TU, Die, NewTU);<br>
>>> + return NewTU;<br>
>>> +}<br>
>>> +<br>
>>> // Emit the .debug_info.dwo section for separated dwarf. This contains<br>
>>> the<br>
>>> // compile units that would normally be in debug_info.<br>
>>> void DwarfDebug::emitDebugInfoDWO() {<br>
>>> @@ -3018,8 +3033,6 @@ void DwarfDebug::addDwarfTypeUnitType(DI<br>
>>> NewTU->addUInt(UnitDie, dwarf::DW_AT_language, dwarf::DW_FORM_data2,<br>
>>> CUNode.getLanguage());<br>
>>><br>
>>> - DIE *Die = NewTU->createTypeDIE(CTy);<br>
>>> -<br>
>>> MD5 Hash;<br>
>>> Hash.update(Identifier);<br>
>>> // ... take the least significant 8 bytes and return those. Our MD5<br>
>>> @@ -3029,7 +3042,10 @@ void DwarfDebug::addDwarfTypeUnitType(DI<br>
>>> Hash.final(Result);<br>
>>> uint64_t Signature = *reinterpret_cast<support::ulittle64_t<br>
>>> *>(Result + 8);<br>
>>> NewTU->setTypeSignature(Signature);<br>
>>> - NewTU->setType(Die);<br>
>>> + if (useSplitDwarf())<br>
>>> + NewTU->setSkeleton(constructSkeletonTU(NewTU));<br>
>>> +<br>
>>> + NewTU->setType(NewTU->createTypeDIE(CTy));<br>
>>><br>
>>> NewTU->initSection(<br>
>>> useSplitDwarf()<br>
>>><br>
>>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h<br>
>>> URL:<br>
>>> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=198851&r1=198850&r2=198851&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=198851&r1=198850&r2=198851&view=diff</a><br>
>>><br>
>>> ==============================================================================<br>
>>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)<br>
>>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Wed Jan 8 23:08:28<br>
>>> 2014<br>
>>> @@ -596,6 +596,10 @@ class DwarfDebug : public AsmPrinterHand<br>
>>> /// section.<br>
>>> DwarfCompileUnit *constructSkeletonCU(const DwarfCompileUnit *CU);<br>
>>><br>
>>> + /// \brief Construct the split debug info compile unit for the debug<br>
>>> info<br>
>>> + /// section.<br>
>>> + DwarfTypeUnit *constructSkeletonTU(const DwarfTypeUnit *TU);<br>
>>> +<br>
>>> /// \brief Emit the debug info dwo section.<br>
>>> void emitDebugInfoDWO();<br>
>>><br>
>>><br>
>>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp<br>
>>> URL:<br>
>>> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp?rev=198851&r1=198850&r2=198851&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp?rev=198851&r1=198850&r2=198851&view=diff</a><br>
>>><br>
>>> ==============================================================================<br>
>>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp (original)<br>
>>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp Wed Jan 8 23:08:28<br>
>>> 2014<br>
>>> @@ -1987,7 +1987,9 @@ void DwarfTypeUnit::emitHeader(const MCS<br>
>>> Asm->OutStreamer.AddComment("Type Signature");<br>
>>> Asm->OutStreamer.EmitIntValue(TypeSignature, sizeof(TypeSignature));<br>
>>> Asm->OutStreamer.AddComment("Type DIE Offset");<br>
>>> - Asm->OutStreamer.EmitIntValue(Ty->getOffset(),<br>
>>> sizeof(Ty->getOffset()));<br>
>>> + // In a skeleton type unit there is no type DIE so emit a zero offset.<br>
>>> + Asm->OutStreamer.EmitIntValue(Ty ? Ty->getOffset() : 0,<br>
>>> + sizeof(Ty->getOffset()));<br>
>>> }<br>
>>><br>
>>> void DwarfTypeUnit::initSection(const MCSection *Section) {<br>
>>><br>
>>> Modified: llvm/trunk/lib/MC/MCObjectFileInfo.cpp<br>
>>> URL:<br>
>>> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectFileInfo.cpp?rev=198851&r1=198850&r2=198851&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectFileInfo.cpp?rev=198851&r1=198850&r2=198851&view=diff</a><br>
>>><br>
>>> ==============================================================================<br>
>>> --- llvm/trunk/lib/MC/MCObjectFileInfo.cpp (original)<br>
>>> +++ llvm/trunk/lib/MC/MCObjectFileInfo.cpp Wed Jan 8 23:08:28 2014<br>
>>> @@ -726,8 +726,9 @@ const MCSection *MCObjectFileInfo::getDw<br>
>>><br>
>>> const MCSection *<br>
>>> MCObjectFileInfo::getDwarfTypesDWOSection(uint64_t Hash) const {<br>
>>> - return Ctx->getELFSection(".debug_types.dwo", ELF::SHT_GROUP, 0,<br>
>>> - SectionKind::getMetadata(), 0,<br>
>>> utostr(Hash));<br>
>>> + return Ctx->getELFSection(".debug_types.dwo", ELF::SHT_PROGBITS,<br>
>>> + ELF::SHF_GROUP, SectionKind::getMetadata(),<br>
>>> 0,<br>
>>> + utostr(Hash));<br>
>>> }<br>
>>><br>
>>> void MCObjectFileInfo::InitEHFrameSection() {<br>
>>><br>
>>> Modified: llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll<br>
>>> URL:<br>
>>> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll?rev=198851&r1=198850&r2=198851&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll?rev=198851&r1=198850&r2=198851&view=diff</a><br>
>>><br>
>>> ==============================================================================<br>
>>> --- llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll (original)<br>
>>> +++ llvm/trunk/test/DebugInfo/X86/generate-odr-hash.ll Wed Jan 8<br>
>>> 23:08:28 2014<br>
>>> @@ -1,7 +1,10 @@<br>
>>> ; REQUIRES: object-emission<br>
>>><br>
>>> ; RUN: llc %s -o %t -filetype=obj -O0 -generate-type-units<br>
>>> -mtriple=x86_64-unknown-linux-gnu<br>
>>> -; RUN: llvm-dwarfdump %t | FileCheck %s<br>
>>> +; RUN: llvm-dwarfdump %t | FileCheck --check-prefix=CHECK<br>
>>> --check-prefix=SINGLE %s<br>
>>> +<br>
>>> +; RUN: llc %s -split-dwarf=Enable -o %t -filetype=obj -O0<br>
>>> -generate-type-units -mtriple=x86_64-unknown-linux-gnu<br>
>>> +; RUN: llvm-dwarfdump %t | FileCheck --check-prefix=CHECK<br>
>>> --check-prefix=FISSION %s<br>
>>><br>
>>> ; Generated from:<br>
>>> ; struct bar {};<br>
>>> @@ -43,7 +46,8 @@<br>
>>><br>
>>> ; wombat wom;<br>
>>><br>
>>> -; CHECK-LABEL: .debug_info contents:<br>
>>> +; SINGLE-LABEL: .debug_info contents:<br>
>>> +; FISSION-LABEL: .debug_info.dwo contents:<br>
>>> ; CHECK: Compile Unit: length = [[CU_SIZE:[0-9a-f]+]]<br>
>>><br>
>>> ; CHECK: DW_TAG_structure_type<br>
>>> @@ -53,18 +57,32 @@<br>
>>><br>
>>> ; Ensure the CU-local type 'walrus' is not placed in a type unit.<br>
>>> ; CHECK: DW_TAG_structure_type<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"walrus"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"walrus"<br>
>>> ; CHECK-NEXT: DW_AT_byte_size<br>
>>> ; CHECK-NEXT: DW_AT_decl_file<br>
>>> ; CHECK-NEXT: DW_AT_decl_line<br>
>>><br>
>>> -; CHECK-LABEL: .debug_types contents:<br>
>>> +; FISSION-LABEL: .debug_types contents:<br>
>>> +; FISSION-NOT: type_signature<br>
>>> +; FISSION-LABEL: type_signature = 0x1d02f3be30cc5688<br>
>>> +; FISSION: DW_TAG_type_unit<br>
>>> +; FISSION: DW_AT_GNU_dwo_name{{.*}}"bar.dwo"<br>
>>> +; FISSION: DW_AT_comp_dir{{.*}}"/tmp/dbginfo"<br>
>>> +; FISSION-NOT: type_signature<br>
>>> +; FISSION-LABEL: type_signature = 0xb04af47397402e77<br>
>>> +; FISSION-NOT: type_signature<br>
>>> +; FISSION-LABEL: type_signature = 0xfd756cee88f8a118<br>
>>> +; FISSION-NOT: type_signature<br>
>>> +; FISSION-LABEL: type_signature = 0xe94f6d3843e62d6b<br>
>>> +<br>
>>> +; SINGLE-LABEL: .debug_types contents:<br>
>>> +; FISSION-LABEL: .debug_types.dwo contents:<br>
>>><br>
>>> ; Check that we generate a hash for bar and the value.<br>
>>> ; CHECK-NOT: type_signature<br>
>>> ; CHECK-LABEL: type_signature = 0x1d02f3be30cc5688<br>
>>> ; CHECK: DW_TAG_structure_type<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"bar"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"bar"<br>
>>><br>
>>><br>
>>> ; Check that we generate a hash for fluffy and the value.<br>
>>> @@ -72,13 +90,13 @@<br>
>>> ; CHECK-LABEL: type_signature = 0xb04af47397402e77<br>
>>> ; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8]<br>
>>> (0x9a0124d5a0c21c52)<br>
>>> ; CHECK: DW_TAG_namespace<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"echidna"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"echidna"<br>
>>> ; CHECK: DW_TAG_namespace<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"capybara"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"capybara"<br>
>>> ; CHECK: DW_TAG_namespace<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"mongoose"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"mongoose"<br>
>>> ; CHECK: DW_TAG_class_type<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"fluffy"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"fluffy"<br>
>>><br>
>>> ; Check that we generate a hash for wombat and the value, but not for<br>
>>> the<br>
>>> ; anonymous type contained within.<br>
>>> @@ -86,7 +104,7 @@<br>
>>> ; CHECK-LABEL: type_signature = 0xfd756cee88f8a118<br>
>>> ; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8]<br>
>>> (0x685bcc220141e9d7)<br>
>>> ; CHECK: DW_TAG_structure_type<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"wombat"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"wombat"<br>
>>><br>
>>> ; CHECK-NOT: type_signature<br>
>>> ; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b<br>
>>> @@ -100,7 +118,7 @@<br>
>>> ; CHECK-NOT: DW_AT_name<br>
>>> ; CHECK-NOT: DW_AT_GNU_odr_signature<br>
>>> ; CHECK: DW_TAG_member<br>
>>> -; CHECK-NEXT: debug_str{{.*}}"a"<br>
>>> +; CHECK-NEXT: DW_AT_name{{.*}}"a"<br>
>>><br>
>>> ; Use the unit size as a rough hash/identifier for the unit we're<br>
>>> dealing with<br>
>>> ; it happens to be unambiguous at the moment, but it's hardly ideal.<br>
>>> @@ -110,17 +128,21 @@<br>
>>> ; CHECK-NEXT: Offset Name<br>
>>> ; CHECK-NEXT: "walrus"<br>
>>> ; Type unit for 'bar'<br>
>>> -; CHECK-NEXT: unit_size = 0x00000023<br>
>>> +; SINGLE-NEXT: unit_size = 0x00000023<br>
>>> +; FISSION-NEXT: unit_size = 0x00000024<br>
>>> ; CHECK-NEXT: Offset Name<br>
>>> ; CHECK-NEXT: "bar"<br>
>>> -; CHECK-NEXT: unit_size = 0x0000005d<br>
>>> +; SINGLE-NEXT: unit_size = 0x0000005d<br>
>>> +; FISSION-NEXT: unit_size = 0x00000024<br>
>>> ; CHECK-NEXT: Offset Name<br>
>>> ; CHECK-NEXT: "int"<br>
>>> ; CHECK-NEXT: "echidna::capybara::mongoose::fluffy"<br>
>>> -; CHECK-NEXT: unit_size = 0x0000003a<br>
>>> +; SINGLE-NEXT: unit_size = 0x0000003a<br>
>>> +; FISSION-NEXT: unit_size = 0x00000024<br>
>>> ; CHECK-NEXT: Offset Name<br>
>>> ; CHECK-NEXT: "wombat"<br>
>>> -; CHECK-NEXT: unit_size = 0x0000004b<br>
>>> +; SINGLE-NEXT: unit_size = 0x0000004b<br>
>>> +; FISSION-NEXT: unit_size = 0x00000024<br>
>>> ; CHECK-NEXT: Offset Name<br>
>>> ; CHECK-NEXT: "int"<br>
>>><br>
>>> @@ -179,7 +201,7 @@ attributes #1 = { nounwind readnone }<br>
>>> !llvm.module.flags = !{!42, !54}<br>
>>> !llvm.ident = !{!43}<br>
>>><br>
>>> -!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version<br>
>>> 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata<br>
>>> !20, metadata !37, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ]<br>
>>> [/tmp/dbginfo/bar.cpp] [DW_LANG_C_plus_plus]<br>
>>> +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version<br>
>>> 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata<br>
>>> !20, metadata !37, metadata !2, metadata !"bar.dwo"} ; [ DW_TAG_compile_unit<br>
>>> ] [/tmp/dbginfo/bar.cpp] [DW_LANG_C_plus_plus]<br>
>>> !1 = metadata !{metadata !"bar.cpp", metadata !"/tmp/dbginfo"}<br>
>>> !2 = metadata !{i32 0}<br>
>>> !3 = metadata !{metadata !4, metadata !5, metadata !13, metadata !16}<br>
>>><br>
>>><br>
>>> _______________________________________________<br>
>>> llvm-commits mailing list<br>
>>> <a href="mailto:llvm-commits@cs.uiuc.edu" target="_blank">llvm-commits@cs.uiuc.edu</a><br>
>>> <a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><br>
>><br>
>><br>
><br>
><br>
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