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<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ICE on valid code at -O1: llvm::IRBuilderBase::CreatePtrDiff(llvm::Value*, llvm::Value*, const llvm::Twine&): Assertion `LHS->getType() == RHS->getType() && "Pointer subtraction operand types must match!"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=51200">51200</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ICE on valid code at -O1: llvm::IRBuilderBase::CreatePtrDiff(llvm::Value*, llvm::Value*, const llvm::Twine&): Assertion `LHS->getType() == RHS->getType() && "Pointer subtraction operand types must match!"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>cnsun@uwaterloo.ca
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>$ clang-trunk -v
clang version 13.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
ab5ac659c81a453a3f58df94f39fe8ba3cd35918)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$ cat mutant.c
int sprintf(char **, const *, ...);
g1(d) {
const *p1;
if (sprintf(d, "%s", p1))
abort();
}
$ clang-trunk -w -O1 mutant.c
clang-13:
/tmp/tmp.Gcp8nSn9Hr-clang-builder/llvm-project/llvm/lib/IR/IRBuilder.cpp:994:
llvm::Value* llvm::IRBuilderBase::CreatePtrDiff(llvm::Value*, llvm::Value*,
const llvm::Twine&): Assertion `LHS->getType() == RHS->getType() && "Pointer
subtraction operand types must match!"' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /scratch/software/clang-trunk/bin/clang-13 -cc1
-triple x86_64-unknown-linux-gnu -emit-obj --mrelax-relocations -disable-free
-main-file-name mutant.c -mrelocation-model static -mframe-pointer=none
-fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables
-target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb
-fcoverage-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/temp_testing_campaigns/default_finding_folder_c/crash_20210708_161828_2946/delta/perses_result
-resource-dir /scratch/software/clang-trunk/lib/clang/13.0.0 -c-isystem .
-c-isystem /usr/local/include/cmsith -internal-isystem
/scratch/software/clang-trunk/lib/clang/13.0.0/include -internal-isystem
/usr/local/include -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O1
-w
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/temp_testing_campaigns/default_finding_folder_c/crash_20210708_161828_2946/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-c35c17.o -x c mutant.c
1. <eof> parser at end of file
2. Optimizer
#0 0x00005626fabf6754 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x00005626fabf3e6e SignalHandler(int) Signals.cpp:0:0
#2 0x00007fa20e3c03c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007fa20de5f18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007fa20de3e859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007fa20de3e729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007fa20de3e729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007fa20de4ff36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x00005626fa26caa4 llvm::IRBuilderBase::CreatePtrDiff(llvm::Value*,
llvm::Value*, llvm::Twine const&)
(/scratch/software/clang-trunk/bin/clang-13+0x319baa4)
#9 0x00005626fada6c3f
llvm::LibCallSimplifier::optimizeSPrintFString(llvm::CallInst*,
llvm::IRBuilderBase&) (/scratch/software/clang-trunk/bin/clang-13+0x3cd5c3f)
#10 0x00005626fadae190
llvm::LibCallSimplifier::optimizeSPrintF(llvm::CallInst*, llvm::IRBuilderBase&)
(/scratch/software/clang-trunk/bin/clang-13+0x3cdd190)
#11 0x00005626fadb4293 llvm::LibCallSimplifier::optimizeCall(llvm::CallInst*,
llvm::IRBuilderBase&) (/scratch/software/clang-trunk/bin/clang-13+0x3ce3293)
#12 0x00005626fa595b26 llvm::InstCombinerImpl::tryOptimizeCall(llvm::CallInst*)
(/scratch/software/clang-trunk/bin/clang-13+0x34c4b26)
#13 0x00005626fa59a8ec llvm::InstCombinerImpl::visitCallBase(llvm::CallBase&)
(/scratch/software/clang-trunk/bin/clang-13+0x34c98ec)
#14 0x00005626fa59c77c llvm::InstCombinerImpl::visitCallInst(llvm::CallInst&)
(/scratch/software/clang-trunk/bin/clang-13+0x34cb77c)
#15 0x00005626fa55a678 llvm::InstCombinerImpl::run()
(/scratch/software/clang-trunk/bin/clang-13+0x3489678)
#16 0x00005626fa55cc53 combineInstructionsOverFunction(llvm::Function&,
llvm::InstCombineWorklist&, llvm::AAResults*, llvm::AssumptionCache&,
llvm::TargetLibraryInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&,
llvm::OptimizationRemarkEmitter&, llvm::BlockFrequencyInfo*,
llvm::ProfileSummaryInfo*, unsigned int, llvm::LoopInfo*)
InstructionCombining.cpp:0:0
#17 0x00005626fa55ecb1 llvm::InstCombinePass::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x348dcb1)
#18 0x00005626fbe05386 llvm::detail::PassModel<llvm::Function,
llvm::InstCombinePass, llvm::PreservedAnalyses,
llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x4d34386)
#19 0x00005626fa30b076 llvm::PassManager<llvm::Function,
llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x323a076)
#20 0x00005626f8743306 llvm::detail::PassModel<llvm::Function,
llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function> >,
llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>
<span class="quote">>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)</span >
(/scratch/software/clang-trunk/bin/clang-13+0x1672306)
#21 0x00005626fa309b99 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x3238b99)
#22 0x00005626f8743d36 llvm::detail::PassModel<llvm::Module,
llvm::ModuleToFunctionPassAdaptor, llvm::PreservedAnalyses,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x1672d36)
#23 0x00005626fa30747f llvm::PassManager<llvm::Module,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x323647f)
#24 0x00005626faf331cc (anonymous
namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >) BackendUtil.cpp:0:0
#25 0x00005626faf3643d clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef,
llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/scratch/software/clang-trunk/bin/clang-13+0x3e6543d)
#26 0x00005626fbd8a7af
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/scratch/software/clang-trunk/bin/clang-13+0x4cb97af)
#27 0x00005626fce4ef59 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5d7df59)
#28 0x00005626fbd892f8 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4cb82f8)
#29 0x00005626fb627419 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4556419)
#30 0x00005626fb5bd07e
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x44ec07e)
#31 0x00005626fb705710
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4634710)
#32 0x00005626f847115d cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x13a015d)
#33 0x00005626f846d4a8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#34 0x00005626f8398126 main
(/scratch/software/clang-trunk/bin/clang-13+0x12c7126)
#35 0x00007fa20de400b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#36 0x00005626f846d01e _start
(/scratch/software/clang-trunk/bin/clang-13+0x139c01e)
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 13.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
ab5ac659c81a453a3f58df94f39fe8ba3cd35918)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/cnsun/usr/bin
clang-13: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/mutant-b7d93a.c
clang-13: note: diagnostic msg: /tmp/mutant-b7d93a.sh
clang-13: note: diagnostic msg:
********************</pre>
</div>
</p>
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