[LLVMbugs] [Bug 22773] New: Assert in 'Combine redundant instructions' when building libx11 after r229835
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Mar 3 09:45:47 PST 2015
http://llvm.org/bugs/show_bug.cgi?id=22773
Bug ID: 22773
Summary: Assert in 'Combine redundant instructions' when
building libx11 after r229835
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: chandlerc at gmail.com
Reporter: earthdok at google.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Originally filed at https://code.google.com/p/chromium/issues/detail?id=463466
To repro (Ubuntu Trusty):
apt-get source libx11-6 && cd libx11-1.6.2
CC=clang ./configure
make
Failure log:
clang-3.6:
/usr/local/google/home/earthdok/san/llvm/lib/IR/Instructions.cpp:1860: static
llvm::BinaryOperator
*llvm::BinaryOperator::Create(llvm::Instruction::BinaryOps, llvm::Value *,
llvm::Value *, const
llvm::Twine &, llvm::Instruction *): Assertion `S1->getType() == S2->getType()
&& "Cannot create binary operator with two operands of differing type!"'
failed.
#0 0x17e92c8 llvm::sys::PrintStackTrace(_IO_FILE*)
(/mnt/ssd/san/build/bin/clang-3.6+0x17e92c8)
#1 0x17ea88b SignalHandler(int) (/mnt/ssd/san/build/bin/clang-3.6+0x17ea88b)
#2 0x2b6ca124b340 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
#3 0x2b6ca1ec7cc9 gsignal
/build/buildd/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#4 0x2b6ca1ecb0d8 abort /build/buildd/eglibc-2.19/stdlib/abort.c:91:0
#5 0x2b6ca1ec0b86 __assert_fail_base
/build/buildd/eglibc-2.19/assert/assert.c:92:0
#6 0x2b6ca1ec0c32 (/lib/x86_64-linux-gnu/libc.so.6+0x2fc32)
#7 0x14986a3 (/mnt/ssd/san/build/bin/clang-3.6+0x14986a3)
#8 0x1565344 llvm::IRBuilder<true, llvm::TargetFolder,
llvm::InstCombineIRInserter>::CreateAnd(llvm::Value*, llvm::Value*, llvm::Twine
const&) (/mnt/ssd/san/build/bin/clang-3.6+0x1565344)
#9 0x15b98fc llvm::InstCombiner::visitSelectInst(llvm::SelectInst&)
(/mnt/ssd/san/build/bin/clang-3.6+0x15b98fc)
#10 0x155430b llvm::InstCombiner::run()
(/mnt/ssd/san/build/bin/clang-3.6+0x155430b)
#11 0x1555f47 combineInstructionsOverFunction(llvm::Function&,
llvm::InstCombineWorklist&, llvm::AssumptionCache&, llvm::TargetLibraryInfo&,
llvm::DominatorTree&, llvm::DataLayout const*, llvm::LoopInfo*)
(/mnt/ssd/san/build/bin/clang-3.6+0x1555f47)
#12 0x1559199 (anonymous
namespace)::InstructionCombiningPass::runOnFunction(llvm::Function&)
(/mnt/ssd/san/build/bin/clang-3.6+0x1559199)
#13 0x14b18bc llvm::FPPassManager::runOnFunction(llvm::Function&)
(/mnt/ssd/san/build/bin/clang-3.6+0x14b18bc)
#14 0x14b1afb llvm::FPPassManager::runOnModule(llvm::Module&)
(/mnt/ssd/san/build/bin/clang-3.6+0x14b1afb)
#15 0x14b1ff7 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/mnt/ssd/san/build/bin/clang-3.6+0x14b1ff7)
#16 0x1c3e6d3 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions
const&, llvm::StringRef, llvm::Module*, clang::BackendAction,
llvm::raw_ostream*) (/mnt/ssd/san/build/bin/clang-3.6+0x1c3e6d3)
#17 0x1c2ef95 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/mnt/ssd/san/build/bin/clang-3.6+0x1c2ef95)
#18 0x21fe353 clang::ParseAST(clang::Sema&, bool, bool)
(/mnt/ssd/san/build/bin/clang-3.6+0x21fe353)
#19 0x198cf3e clang::FrontendAction::Execute()
(/mnt/ssd/san/build/bin/clang-3.6+0x198cf3e)
#20 0x195cbcc clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/mnt/ssd/san/build/bin/clang-3.6+0x195cbcc)
#21 0x1a115aa clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/mnt/ssd/san/build/bin/clang-3.6+0x1a115aa)
#22 0x9554f4 cc1_main(llvm::ArrayRef<char const*>, char const*, void*)
(/mnt/ssd/san/build/bin/clang-3.6+0x9554f4)
#23 0x954258 main (/mnt/ssd/san/build/bin/clang-3.6+0x954258)
#24 0x2b6ca1eb2ec5 __libc_start_main
/build/buildd/eglibc-2.19/csu/libc-start.c:321:0
#25 0x95116b _start (/mnt/ssd/san/build/bin/clang-3.6+0x95116b)
Stack dump:
0. Program arguments: /mnt/ssd/san/build/bin/clang-3.6 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name omTextPer.c
-mrelocation-model pic -pic-level 2 -mthread-model posix -relaxed-aliasing
-fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables
-fuse-init-array -target-cpu x86-64 -momit-leaf-frame-pointer -g
-dwarf-column-info -coverage-file
/usr/local/google/home/earthdok/sources/repro/libx11-1.6.2/modules/om/generic/.libs/omTextPer.o
-resource-dir /mnt/ssd/san/build/bin/../lib/clang/3.7.0 -dependency-file
.deps/omTextPer.Tpo -sys-header-deps -MP -MT omTextPer.lo -D HAVE_CONFIG_H -D
_BSD_SOURCE -D _DEFAULT_SOURCE -D _BSD_SOURCE -D HAS_FCHOWN -D
HAS_STICKY_DIR_BIT -D MALLOC_0_RETURNS_NULL -D PIC -I . -I ../../../src -I
../../../include/X11 -I ../../../include -I ../../../include/X11 -I
../../../include -I ../../../include/X11 -I ../../../src/xcms -I
../../../src/xkb -I ../../../src/xlibi18n -I ../../../src -internal-isystem
/usr/local/include -internal-isystem
/mnt/ssd/san/build/bin/../lib/clang/3.7.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -O2 -Wall -Wpointer-arith
-Wmissing-declarations -Wformat=2 -Wstrict-prototypes -Wmissing-prototypes
-Wnested-externs -Wbad-function-cast -Wold-style-definition
-Wdeclaration-after-statement -Wunused -Wuninitialized -Wshadow -Wcast-qual
-Wmissing-noreturn -Wmissing-format-attribute -Wredundant-decls
-Werror=implicit -Werror=nonnull -Werror=init-self -Werror=main
-Werror=missing-braces -Werror=sequence-point -Werror=return-type
-Werror=trigraphs -Werror=array-bounds -Werror=write-strings -Werror=address
-Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -fdebug-compilation-dir
/usr/local/google/home/earthdok/sources/repro/libx11-1.6.2/modules/om/generic
-ferror-limit 19 -fmessage-length 205 -mstackrealign -fobjc-runtime=gcc
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o .libs/omTextPer.o -x c omTextPer.c
1. <eof> parser at end of file
2. Per-module optimization passes
3. Running pass 'Function Pass Manager' on module 'omTextPer.c'.
4. Running pass 'Combine redundant instructions' on function
'@_XomGenericTextPerCharExtents'
clang-3.6: error: unable to execute command: Aborted (core dumped)
clang-3.6: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.7.0 (trunk 229834) (llvm/trunk 229835)
Target: x86_64-unknown-linux-gnu
Thread model: posix
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