[llvm-commits] [llvm] r158476 - in /llvm/trunk: include/llvm/GlobalValue.h lib/Transforms/IPO/GlobalDCE.cpp lib/Transforms/IPO/GlobalOpt.cpp test/Transforms/GlobalOpt/deadglobal.ll
Jakob Stoklund Olesen
stoklund at 2pi.dk
Fri Jun 15 09:28:03 PDT 2012
On Jun 14, 2012, at 3:48 PM, Rafael Espindola <rafael.espindola at gmail.com> wrote:
> Author: rafael
> Date: Thu Jun 14 17:48:13 2012
> New Revision: 158476
>
> URL: http://llvm.org/viewvc/llvm-project?rev=158476&view=rev
> Log:
> Implement the isSafeToDiscardIfUnused predicate and use it in globalopt and
> globaldce. Globaldce was already removing linkonce globals, but globalopt was
> not.
Rafael, this is causing a crash in the GCC testsuite: g++.dg/opt/static5.C (test for excess errors)
Executing on host: /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/host-compiler/bin/clang++ /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/clang-tests/gcc-4_2-testsuite/src/g++.dg/opt/static5.C -fmessage-length=0 -O2 -multiply_defined suppress -Wl,-multiply_defined,suppress -lm -o ./static5.exe (timeout = 300)
spawn /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/host-compiler/bin/clang++ /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/clang-tests/gcc-4_2-testsuite/src/g++.dg/opt/static5.C -fmessage-length=0 -O2 -multiply_defined suppress -Wl,-multiply_defined,suppress -lm -o ./static5.exe
Assertion failed: (GV->hasLocalLinkage() && !GV->isConstant()), function SRAGlobal, file /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.clang-x86_64-darwin10-RA/llvm/lib/Transforms/IPO/GlobalOpt.cpp, line 499.
0 clang 0x000000010154b1c2 llvm::SmallVectorImpl<char>::swap(llvm::SmallVectorImpl<char>&) + 14434
1 clang 0x000000010154b6d4 llvm::SmallVectorImpl<char>::swap(llvm::SmallVectorImpl<char>&) + 15732
2 libSystem.B.dylib 0x0000000101d5f1ba _sigtramp + 26
3 libSystem.B.dylib 0x0000000001333b55 _sigtramp + 4284303797
4 clang 0x000000010154b406 llvm::SmallVectorImpl<char>::swap(llvm::SmallVectorImpl<char>&) + 15014
5 clang 0x000000010154b3e1 llvm::SmallVectorImpl<char>::swap(llvm::SmallVectorImpl<char>&) + 14977
6 clang 0x0000000100aa8511 std::vector<llvm::Function*, std::allocator<llvm::Function*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::Function**, std::vector<llvm::Function*, std::allocator<llvm::Function*> > >, llvm::Function* const&) + 13089
7 clang 0x0000000100aa5ff6 std::vector<llvm::Function*, std::allocator<llvm::Function*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::Function**, std::vector<llvm::Function*, std::allocator<llvm::Function*> > >, llvm::Function* const&) + 3590
8 clang 0x00000001014f0736 std::vector<llvm::StructType*, std::allocator<llvm::StructType*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::StructType**, std::vector<llvm::StructType*, std::allocator<llvm::StructType*> > >, llvm::StructType* const&) + 29670
9 clang 0x00000001014f0cf9 std::vector<llvm::StructType*, std::allocator<llvm::StructType*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::StructType**, std::vector<llvm::StructType*, std::allocator<llvm::StructType*> > >, llvm::StructType* const&) + 31145
10 clang 0x00000001014f0edd std::vector<llvm::StructType*, std::allocator<llvm::StructType*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::StructType**, std::vector<llvm::StructType*, std::allocator<llvm::StructType*> > >, llvm::StructType* const&) + 31629
11 clang 0x0000000100158d8a std::vector<clang::serialization::ModuleFile*, std::allocator<clang::serialization::ModuleFile*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<clang::serialization::ModuleFile**, std::vector<clang::serialization::ModuleFile*, std::allocator<clang::serialization::ModuleFile*> > >, clang::serialization::ModuleFile* const&) + 6922
12 clang 0x000000010023da1a llvm::ParseIR(llvm::MemoryBuffer*, llvm::SMDiagnostic&, llvm::LLVMContext&) + 1994
13 clang 0x0000000100272f14 std::vector<std::pair<llvm::WeakVH, llvm::Constant*>, std::allocator<std::pair<llvm::WeakVH, llvm::Constant*> > >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::pair<llvm::WeakVH, llvm::Constant*>*, std::vector<std::pair<llvm::WeakVH, llvm::Constant*>, std::allocator<std::pair<llvm::WeakVH, llvm::Constant*> > > >, std::pair<llvm::WeakVH, llvm::Constant*> const&) + 53204
14 clang 0x000000010023c751 std::vector<clang::CXXRecordDecl const*, std::allocator<clang::CXXRecordDecl const*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<clang::CXXRecordDecl const**, std::vector<clang::CXXRecordDecl const*, std::allocator<clang::CXXRecordDecl const*> > >, clang::CXXRecordDecl const* const&) + 5745
15 clang 0x000000010004deb8 llvm::SmallVectorImpl<clang::FileEntry const*>::operator=(llvm::SmallVectorImpl<clang::FileEntry const*> const&) + 9784
16 clang 0x000000010002521f std::vector<clang::CompilerInstance*, std::allocator<clang::CompilerInstance*> >::_M_insert_aux(__gnu_cxx::__normal_iterator<clang::CompilerInstance**, std::vector<clang::CompilerInstance*, std::allocator<clang::CompilerInstance*> > >, clang::CompilerInstance* const&) + 16431
17 clang 0x000000010000bf51 std::_Rb_tree<std::string, std::string, std::_Identity<std::string>, std::less<std::string>, std::allocator<std::string> >::_M_insert_unique(std::string const&) + 3921
18 clang 0x0000000100001b1a
19 clang 0x00000001000089ac std::vector<std::string, std::allocator<std::string> >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocator<std::string> > >, std::string const&) + 4124
20 clang 0x0000000100001834
21 clang 0x000000000000002e
Stack dump:
0. Program arguments: /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/host-compiler/bin/clang -cc1 -triple x86_64-apple-macosx10.6.0 -emit-obj -disable-free -main-file-name static5.C -pic-level 2 -mdisable-fp-elim -munwind-tables -target-cpu core2 -target-linker-version 127.2.1 -resource-dir /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/host-compiler/bin/../lib/clang/3.2 -fmodule-cache-path /var/folders/kL/kLk+WTOwEuWvG457rn+bMU+++TM/-Tmp-/clang-module-cache -O2 -Wno-unused-value -Wno-return-type -Wno-constant-logical-operand -fdeprecated-macro -fdebug-compilation-dir /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/clang-tests/gcc-4_2-testsuite/obj/g++ -ferror-limit 0 -fmessage-length 0 -stack-protector 1 -mstackrealign -fblocks -fobjc-dispatch-method=mixed -fobjc-default-synthesize-properties -fcxx-exceptions -fexceptions -fno-caret-diagnostics -fdiagnostics-show-option -o /var/folders/kL/kLk+WTOwEuWvG457rn+bMU+++TM/-Tmp-/static5-yFbaZH.o -x c++ /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/clang-tests/gcc-4_2-testsuite/src/g++.dg/opt/static5.C
1. <eof> parser at end of file
2. Per-module optim
ization passes
3. Running pass 'Global Variable Optimizer' on module '/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.gccTestSuite_clang-x86_64-darwin10-RA__c++/clang-tests/gcc-4_2-testsuite/src/g++.dg/opt/static5.C'.
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