[llvm-bugs] [Bug 50888] New: ICE on valid code with -O1: llvm::cast(Y*) [with X = llvm::ConstantInt; Y = llvm::Value; typename llvm::cast_retty<X, Y*>::ret_type = llvm::ConstantInt*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Sat Jun 26 13:12:08 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50888
Bug ID: 50888
Summary: ICE on valid code with -O1: llvm::cast(Y*) [with X =
llvm::ConstantInt; Y = llvm::Value; typename
llvm::cast_retty<X, Y*>::ret_type =
llvm::ConstantInt*]: Assertion `isa<X>(Val) &&
"cast<Ty>() argument of incompatible type!"' failed.
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
foo() {
char array[1000];
__builtin_memset(array, 0, foo);
}
$ clang-trunk -O1 mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
foo() {
^
mutant.c:3:30: warning: incompatible pointer to integer conversion passing 'int
()' to parameter of type 'unsigned long' [-Wint-conversion]
__builtin_memset(array, 0, foo);
^~~
mutant.c:4:1: warning: non-void function does not return a value
[-Wreturn-type]
}
^
clang-13:
/tmp/tmp.xjN6dMkdrg-clang-builder/llvm-project/llvm/include/llvm/Support/Casting.h:269:
typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X =
llvm::ConstantInt; Y = llvm::Value; typename llvm::cast_retty<X, Y*>::ret_type
= llvm::ConstantInt*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of
incompatible 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_20210623_080716_0068/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_20210623_080716_0068/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-368510.o -x c mutant.c
1. <eof> parser at end of file
2. Optimizer
#0 0x0000555e4762d184 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000555e4762a93e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f9d215eb3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f9d2108a18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f9d21069859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f9d21069729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f9d21069729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f9d2107af36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000555e474b57f7 (/scratch/software/clang-trunk/bin/clang-13+0x37e37f7)
#9 0x0000555e474be7c4 llvm::sroa::AllocaSliceRewriter::visit((anonymous
namespace)::Slice const*) SROA.cpp:0:0
#10 0x0000555e474c323f llvm::SROA::rewritePartition(llvm::AllocaInst&,
llvm::sroa::AllocaSlices&, llvm::sroa::Partition&)
(/scratch/software/clang-trunk/bin/clang-13+0x37f123f)
#11 0x0000555e474c4d5a llvm::SROA::splitAlloca(llvm::AllocaInst&,
llvm::sroa::AllocaSlices&) (.part.0) SROA.cpp:0:0
#12 0x0000555e474c7347 llvm::SROA::runOnAlloca(llvm::AllocaInst&)
(/scratch/software/clang-trunk/bin/clang-13+0x37f5347)
#13 0x0000555e474c910d llvm::SROA::runImpl(llvm::Function&,
llvm::DominatorTree&, llvm::AssumptionCache&)
(/scratch/software/clang-trunk/bin/clang-13+0x37f710d)
#14 0x0000555e474ca1d9 llvm::SROA::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x37f81d9)
#15 0x0000555e489508f6 llvm::detail::PassModel<llvm::Function, llvm::SROA,
llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>
>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x4c7e8f6)
#16 0x0000555e46d694d6 llvm::PassManager<llvm::Function,
llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&,
llvm::AnalysisManager<llvm::Function>&)
(/scratch/software/clang-trunk/bin/clang-13+0x30974d6)
#17 0x0000555e451fe836 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)
#18 0x0000555e46d67ff9 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x3095ff9)
#19 0x0000555e451ff0a6 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)
#20 0x0000555e46d658df llvm::PassManager<llvm::Module,
llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&,
llvm::AnalysisManager<llvm::Module>&)
(/scratch/software/clang-trunk/bin/clang-13+0x30938df)
#21 0x0000555e4795e6ad (anonymous
namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >) BackendUtil.cpp:0:0
#22 0x0000555e4796192d 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)
#23 0x0000555e4878ae1f
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/scratch/software/clang-trunk/bin/clang-13+0x4ab8e1f)
#24 0x0000555e498424d9 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b704d9)
#25 0x0000555e48789968 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4ab7968)
#26 0x0000555e48039599 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4367599)
#27 0x0000555e47fcc7e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42fa7e6)
#28 0x0000555e48117480
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4445480)
#29 0x0000555e44f37696 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
#30 0x0000555e44f339d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#31 0x0000555e44e610e6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
#32 0x00007f9d2106b0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#33 0x0000555e44f3354e _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-206b82.c
clang-13: note: diagnostic msg: /tmp/mutant-206b82.sh
clang-13: note: diagnostic msg:
********************
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