[llvm] r223802 - IR: Split Metadata from Value

[İsmail Dönmez]

Hi,

On Tue, Dec 9, 2014 at 8:38 PM, Duncan P. N. Exon Smith
<dexonsmith at apple.com> wrote:
> Author: dexonsmith
> Date: Tue Dec  9 12:38:53 2014
> New Revision: 223802
>
> URL: http://llvm.org/viewvc/llvm-project?rev=223802&view=rev
> Log:
> IR: Split Metadata from Value

Can you have a look at
https://build.opensuse.org/package/live_build_log/home:namtrac:clang/llvm-clang-head/openSUSE_Factory/x86_64
, this seems to be a regression due to this commit. stage2 compiler
crashes:

FAILED: /home/abuild/rpmbuild/BUILD/llvm/stage1/bin/clang++
-DCLANG_ENABLE_ARCMT -DCLANG_ENABLE_OBJC_REWRITER
-DCLANG_ENABLE_STATIC_ANALYZER -D_DEBUG -D_GNU_SOURCE
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
-stdlib=libc++ -fPIC -fvisibility-inlines-hidden -Wall -W
-Wno-unused-parameter -Wwrite-strings -Wcast-qual
-Wmissing-field-initializers -pedantic -Wno-long-long
-Wcovered-switch-default -Wnon-virtual-dtor -Werror=date-time
-std=c++11 -fcolor-diagnostics -ffunction-sections -fdata-sections
-fno-common -Woverloaded-virtual -fno-strict-aliasing
-Wno-nested-anon-types -O2 -g  -fPIC -Itools/clang/lib/AST
-I../tools/clang/lib/AST -I../tools/clang/include
-Itools/clang/include -Iinclude -I../include    -UNDEBUG
-fno-exceptions -MMD -MT
tools/clang/lib/AST/CMakeFiles/clangAST.dir/ItaniumMangle.cpp.o -MF
tools/clang/lib/AST/CMakeFiles/clangAST.dir/ItaniumMangle.cpp.o.d -o
tools/clang/lib/AST/CMakeFiles/clangAST.dir/ItaniumMangle.cpp.o -c
../tools/clang/lib/AST/ItaniumMangle.cpp
0  clang-3.6       0x0000000000d26718 llvm::sys::PrintStackTrace(_IO_FILE*) + 40
1  clang-3.6       0x0000000000d27b4b
2  libpthread.so.0 0x00007fa348013050
3  clang-3.6       0x0000000000ab3b74
llvm::MetadataTracking::track(void*, llvm::Metadata&,
llvm::PointerUnion<llvm::MetadataAsValue*, llvm::Metadata*>) + 4
4  clang-3.6       0x0000000000aaab54
llvm::ReplaceableMetadataImpl::replaceAllUsesWith(llvm::Metadata*) +
564
5  clang-3.6       0x0000000000aab86e
llvm::ValueAsMetadata::handleDeletion(llvm::Value*) + 174
6  clang-3.6       0x0000000000ac0f60 llvm::Value::~Value() + 48
7  clang-3.6       0x0000000000a97a59
8  clang-3.6       0x0000000000d29b53
llvm::DeleteDeadBlock(llvm::BasicBlock*) + 211
9  clang-3.6       0x0000000000d363cc
llvm::CloneAndPruneFunctionInto(llvm::Function*, llvm::Function
const*, llvm::ValueMap<llvm::Value const*, llvm::WeakVH,
llvm::ValueMapConfig<llvm::Value const*, llvm::sys::SmartMutex<false>
> >&, bool, llvm::SmallVectorImpl<llvm::ReturnInst*>&, char const*,
llvm::ClonedCodeInfo*, llvm::DataLayout const*, llvm::Instruction*) +
6348
10 clang-3.6       0x0000000000d3d38a
llvm::InlineFunction(llvm::CallSite, llvm::InlineFunctionInfo&, bool)
+ 3130
11 clang-3.6       0x0000000000aff4cb
llvm::Inliner::runOnSCC(llvm::CallGraphSCC&) + 2187
12 clang-3.6       0x000000000133b8fe
13 clang-3.6       0x0000000000aa276e
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 942
14 clang-3.6       0x00000000010e54b3
clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::CodeGenOptions const&, clang::TargetOptions const&,
clang::LangOptions const&, llvm::StringRef, llvm::Module*,
clang::BackendAction, llvm::raw_ostream*) + 6739
15 clang-3.6       0x00000000010d9fed
16 clang-3.6       0x000000000138a693 clang::ParseAST(clang::Sema&,
bool, bool) + 483
17 clang-3.6       0x0000000000ea4999 clang::FrontendAction::Execute() + 57
18 clang-3.6       0x0000000000e7ae73
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 803
19 clang-3.6       0x0000000000f16a3a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 3242
20 clang-3.6       0x00000000006630eb cc1_main(llvm::ArrayRef<char
const*>, char const*, void*) + 555
21 clang-3.6       0x000000000065f8d1 main + 1633
22 libc.so.6       0x00007fa347265b45 __libc_start_main + 245
23 clang-3.6       0x000000000065f15b