[llvm-bugs] [Bug 50845] New: ICE: llvm::CastInst* llvm::CastInst::Create(llvm::Instruction::CastOps, llvm::Value*, llvm::Type*, const llvm::Twine&, llvm::Instruction*): Assertion `castIsValid(op, S, Ty) && "Invalid cast!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jun 24 15:41:28 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50845
Bug ID: 50845
Summary: ICE: llvm::CastInst*
llvm::CastInst::Create(llvm::Instruction::CastOps,
llvm::Value*, llvm::Type*, const llvm::Twine&,
llvm::Instruction*): Assertion `castIsValid(op, S, Ty)
&& "Invalid cast!"' 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
24d48d45cc302a6abeab139d87ba87f7a2335323)
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
div3() {
double tmp1;
asm("fscale" : "=t"(tmp1) : "0"(foo()));
}
$ clang-trunk mutant.c
mutant.c:1:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
div3() {
^
mutant.c:3:35: warning: implicit declaration of function 'foo' is invalid in
C99 [-Wimplicit-function-declaration]
asm("fscale" : "=t"(tmp1) : "0"(foo()));
^
mutant.c:4:1: warning: non-void function does not return a value
[-Wreturn-type]
}
^
clang-13:
/tmp/tmp.nPuVKAIgXI-clang-builder/llvm-project/llvm/lib/IR/Instructions.cpp:2947:
static llvm::CastInst* llvm::CastInst::Create(llvm::Instruction::CastOps,
llvm::Value*, llvm::Type*, const llvm::Twine&, llvm::Instruction*): Assertion
`castIsValid(op, S, Ty) && "Invalid cast!"' 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-all --mrelax-relocations
-disable-free -main-file-name mutant.c -mrelocation-model static
-mframe-pointer=all -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_20210624_124902_0494/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
-fdebug-compilation-dir=/scratch/cnsun/workspace/perses-fuzzer/default_c_finding_folder/crash_20210624_124902_0494/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-11334d.o -x c mutant.c
1. <eof> parser at end of file
2. mutant.c:1:1: LLVM IR generation of declaration 'div3'
3. mutant.c:1:1: Generating code for declaration 'div3'
#0 0x00005632fce9e274 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x00005632fce9ba2e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f9c61c533c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f9c616f218b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f9c616d1859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f9c616d1729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f9c616d1729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f9c616e2f36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x00005632fc56789f (/scratch/software/clang-trunk/bin/clang-13+0x301989f)
#9 0x00005632fa8b36cd
llvm::IRBuilderBase::CreateCast(llvm::Instruction::CastOps, llvm::Value*,
llvm::Type*, llvm::Twine const&)
(/scratch/software/clang-trunk/bin/clang-13+0x13656cd)
#10 0x00005632fd2282c0
clang::CodeGen::CodeGenFunction::EmitAsmStmt(clang::AsmStmt const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3cda2c0)
#11 0x00005632fd22d3ab clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/scratch/software/clang-trunk/bin/clang-13+0x3cdf3ab)
#12 0x00005632fd2335dc
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3ce55dc)
#13 0x00005632fd28aa21
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d3ca21)
#14 0x00005632fd29c27c
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3d4e27c)
#15 0x00005632fd2f5b86
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da7b86)
#16 0x00005632fd2f1725
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3da3725)
#17 0x00005632fd2f1b8b
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(/scratch/software/clang-trunk/bin/clang-13+0x3da3b8b)
#18 0x00005632fd2fa5f2
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
CodeGenModule.cpp:0:0
#19 0x00005632fdffde19 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#20 0x00005632fdff0000
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
(/scratch/software/clang-trunk/bin/clang-13+0x4aa2000)
#21 0x00005632ff0b3c24 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b65c24)
#22 0x00005632fdffaf98 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4aacf98)
#23 0x00005632fd8a9e79 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x435be79)
#24 0x00005632fd83d0c6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42ef0c6)
#25 0x00005632fd987d00
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4439d00)
#26 0x00005632fa7aeb06 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1260b06)
#27 0x00005632fa7aae48 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#28 0x00005632fa6d80c6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118a0c6)
#29 0x00007f9c616d30b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#30 0x00005632fa7aa9be _start
(/scratch/software/clang-trunk/bin/clang-13+0x125c9be)
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
24d48d45cc302a6abeab139d87ba87f7a2335323)
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-92152f.c
clang-13: note: diagnostic msg: /tmp/mutant-92152f.sh
clang-13: note: diagnostic msg:
********************
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