[llvm-bugs] [Bug 50885] New: ICE on valid code with -O1: computeKnownBits(const llvm::Value*, const llvm::APInt&, llvm::KnownBits&, unsigned int, const {anonymous}::Query&): Assertion `(Ty->isIntOrIntVectorTy(BitWidth) || Ty->isPtrOrPtrVectorTy()) && "Not integer or pointer type!"'
via llvm-bugs
llvm-bugs at lists.llvm.org
Sat Jun 26 12:43:08 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50885
Bug ID: 50885
Summary: ICE on valid code with -O1: computeKnownBits(const
llvm::Value*, const llvm::APInt&, llvm::KnownBits&,
unsigned int, const {anonymous}::Query&): Assertion
`(Ty->isIntOrIntVectorTy(BitWidth) ||
Ty->isPtrOrPtrVectorTy()) && "Not integer or pointer
type!"'
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
$ clang-trunk -v
clang version 13.0.0 (https://github.com/llvm/llvm-project.git
2e9c75daffddd65e37c3236708b5b133e6f5f2f5)
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
extern snprintf(char *, double, const *);
fill(buf, len) { snprintf(buf, len, "%s: %d"); }
$ clang-trunk -O1 mutant.c
mutant.c:1:40: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
extern snprintf(char *, double, const *);
~~~~~ ^
mutant.c:1:8: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
extern snprintf(char *, double, const *);
~~~~~~ ^
mutant.c:1:8: warning: incompatible redeclaration of library function
'snprintf' [-Wincompatible-library-redeclaration]
mutant.c:1:8: note: 'snprintf' is a builtin with type 'int (char *, unsigned
long, const char *, ...)'
mutant.c:2:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
fill(buf, len) { snprintf(buf, len, "%s: %d"); }
^
mutant.c:2:27: warning: incompatible integer to pointer conversion passing
'int' to parameter of type 'char *' [-Wint-conversion]
fill(buf, len) { snprintf(buf, len, "%s: %d"); }
^~~
mutant.c:1:23: note: passing argument to parameter here
extern snprintf(char *, double, const *);
^
mutant.c:2:37: warning: incompatible pointer types passing 'char [7]' to
parameter of type 'const int *' [-Wincompatible-pointer-types]
fill(buf, len) { snprintf(buf, len, "%s: %d"); }
^~~~~~~~
mutant.c:1:40: note: passing argument to parameter here
extern snprintf(char *, double, const *);
^
mutant.c:2:48: warning: non-void function does not return a value
[-Wreturn-type]
fill(buf, len) { snprintf(buf, len, "%s: %d"); }
^
clang-13:
/tmp/tmp.xjN6dMkdrg-clang-builder/llvm-project/llvm/lib/Analysis/ValueTracking.cpp:1855:
void computeKnownBits(const llvm::Value*, const llvm::APInt&, llvm::KnownBits&,
unsigned int, const {anonymous}::Query&): Assertion
`(Ty->isIntOrIntVectorTy(BitWidth) || Ty->isPtrOrPtrVectorTy()) && "Not integer
or pointer type!"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ 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/default_c_finding_folder/crash_20210626_112833_0777/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
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210626_112833_0777/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-250347.o -x c mutant.c
1. <eof> parser at end of file
2. Optimizer
#0 0x000055dafc17c184 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x000055dafc17993e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f60060ac3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f6005b4b18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f6005b2a859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f6005b2a729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f6005b2a729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f6005b3bf36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x000055dafb1bee5a computeKnownBits(llvm::Value const*, llvm::APInt const&,
llvm::KnownBits&, unsigned int, (anonymous namespace)::Query const&)
ValueTracking.cpp:0:0
#9 0x000055dafb1c2f49 isKnownNonZero(llvm::Value const*, llvm::APInt const&,
unsigned int, (anonymous namespace)::Query const&) ValueTracking.cpp:0:0
#10 0x000055dafb1c474d isKnownNonZero(llvm::Value const*, unsigned int,
(anonymous namespace)::Query const&) ValueTracking.cpp:0:0
#11 0x000055dafb1c4817 llvm::isKnownNonZero(llvm::Value const*,
llvm::DataLayout const&, unsigned int, llvm::AssumptionCache*,
llvm::Instruction const*, llvm::DominatorTree const*, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x29a3817)
#12 0x000055dafc32dfea
llvm::LibCallSimplifier::optimizeSnPrintF(llvm::CallInst*,
llvm::IRBuilderBase&) (/scratch/software/clang-trunk/bin/clang-13+0x3b0cfea)
#13 0x000055dafc33afc0 llvm::LibCallSimplifier::optimizeCall(llvm::CallInst*,
llvm::IRBuilderBase&) (/scratch/software/clang-trunk/bin/clang-13+0x3b19fc0)
#14 0x000055dafbb2ab82 llvm::InstCombinerImpl::tryOptimizeCall(llvm::CallInst*)
(/scratch/software/clang-trunk/bin/clang-13+0x3309b82)
#15 0x000055dafbb2f89c llvm::InstCombinerImpl::visitCallBase(llvm::CallBase&)
(/scratch/software/clang-trunk/bin/clang-13+0x330e89c)
#16 0x000055dafbb3174c llvm::InstCombinerImpl::visitCallInst(llvm::CallInst&)
(/scratch/software/clang-trunk/bin/clang-13+0x331074c)
#17 0x000055dafbaeefa8 llvm::InstCombinerImpl::run()
(/scratch/software/clang-trunk/bin/clang-13+0x32cdfa8)
#18 0x000055dafbaf16e3 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
#19 0x000055dafbaf3741 llvm::InstCombinePass::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x32d2741)
#20 0x000055dafd354456 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+0x4b33456)
#21 0x000055dafb8b84d6 llvm::PassManager<llvm::Function,
llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x30974d6)
#22 0x000055daf9d4d836 llvm::detail::PassModel<llvm::Function,
llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function> >,
llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>
>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x152c836)
#23 0x000055dafb8b6ff9 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x3095ff9)
#24 0x000055daf9d4e0a6 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+0x152d0a6)
#25 0x000055dafb8b48df llvm::PassManager<llvm::Module,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x30938df)
#26 0x000055dafc4ad6ad (anonymous
namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >) BackendUtil.cpp:0:0
#27 0x000055dafc4b092d 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+0x3c8f92d)
#28 0x000055dafd2d9e1f
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/scratch/software/clang-trunk/bin/clang-13+0x4ab8e1f)
#29 0x000055dafe3914d9 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b704d9)
#30 0x000055dafd2d8968 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4ab7968)
#31 0x000055dafcb88599 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4367599)
#32 0x000055dafcb1b7e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42fa7e6)
#33 0x000055dafcc66480
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4445480)
#34 0x000055daf9a86696 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
#35 0x000055daf9a829d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#36 0x000055daf99b00e6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
#37 0x00007f6005b2c0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#38 0x000055daf9a8254e _start
(/scratch/software/clang-trunk/bin/clang-13+0x126154e)
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 (https://github.com/llvm/llvm-project.git
2e9c75daffddd65e37c3236708b5b133e6f5f2f5)
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-5ed6a0.c
clang-13: note: diagnostic msg: /tmp/mutant-5ed6a0.sh
clang-13: note: diagnostic msg:
********************
--
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20210626/cd99687b/attachment-0001.html>
More information about the llvm-bugs
mailing list