[llvm-bugs] [Bug 50895] New: ICE: llvm::ShuffleVectorInst::ShuffleVectorInst(llvm::Value*, llvm::Value*, llvm::ArrayRef<int>, const llvm::Twine&, llvm::Instruction*): Assertion `isValidOperands(V1, V2, Mask) && "Invalid shuffle vector instruction operands!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Sat Jun 26 14:14:55 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50895
Bug ID: 50895
Summary: ICE:
llvm::ShuffleVectorInst::ShuffleVectorInst(llvm::Value
*, llvm::Value*, llvm::ArrayRef<int>, const
llvm::Twine&, llvm::Instruction*): Assertion
`isValidOperands(V1, V2, Mask) && "Invalid shuffle
vector instruction operands!"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: cnsun at uwaterloo.ca
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
neeilans at live.com, 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
#include <immintrin.h>
__m256i y;
m() { _mm256_maskz_alignr_epi64(m, y, y, 5); }
$ clang-trunk mutant.c
mutant.c:3:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
m() { _mm256_maskz_alignr_epi64(m, y, y, 5); }
^
mutant.c:3:7: warning: cast to smaller integer type '__mmask8' (aka 'unsigned
char') from 'int (*)()' [-Wpointer-to-int-cast]
m() { _mm256_maskz_alignr_epi64(m, y, y, 5); }
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/scratch/software/clang-trunk/lib/clang/13.0.0/include/avx512vlintrin.h:8229:39:
note: expanded from macro '_mm256_maskz_alignr_epi64'
(__m256i)__builtin_ia32_selectq_256((__mmask8)(U), \
^~~~~~~~~~~~~
mutant.c:3:46: warning: non-void function does not return a value
[-Wreturn-type]
m() { _mm256_maskz_alignr_epi64(m, y, y, 5); }
^
mutant.c:3:7: error: '__builtin_ia32_selectq_256' needs target feature avx512vl
m() { _mm256_maskz_alignr_epi64(m, y, y, 5); }
^
/scratch/software/clang-trunk/lib/clang/13.0.0/include/avx512vlintrin.h:8229:12:
note: expanded from macro '_mm256_maskz_alignr_epi64'
(__m256i)__builtin_ia32_selectq_256((__mmask8)(U), \
^
mutant.c:3:7: error: '__builtin_ia32_alignq256' needs target feature avx512vl
/scratch/software/clang-trunk/lib/clang/13.0.0/include/avx512vlintrin.h:8230:42:
note: expanded from macro '_mm256_maskz_alignr_epi64'
(__v4di)_mm256_alignr_epi64((A), (B), (imm)),
\
^
/scratch/software/clang-trunk/lib/clang/13.0.0/include/avx512vlintrin.h:8220:12:
note: expanded from macro '_mm256_alignr_epi64'
(__m256i)__builtin_ia32_alignq256((__v4di)(__m256i)(A), \
^
clang-13:
/tmp/tmp.xjN6dMkdrg-clang-builder/llvm-project/llvm/lib/IR/Instructions.cpp:1950:
llvm::ShuffleVectorInst::ShuffleVectorInst(llvm::Value*, llvm::Value*,
llvm::ArrayRef<int>, const llvm::Twine&, llvm::Instruction*): Assertion
`isValidOperands(V1, V2, Mask) && "Invalid shuffle vector instruction
operands!"' 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_163244_0680/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_163244_0680/delta/perses_result
-ferror-limit 19 -fgnuc-version=4.2.1 -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1
-o /tmp/mutant-1efd75.o -x c mutant.c
1. <eof> parser at end of file
2. mutant.c:3:1: LLVM IR generation of declaration 'm'
3. mutant.c:3:1: Generating code for declaration 'm'
#0 0x0000555d3f8fd184 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000555d3f8fa93e SignalHandler(int) Signals.cpp:0:0
#2 0x00007f6d99b2c3c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#3 0x00007f6d995cb18b raise
/build/glibc-ZN95T4/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#4 0x00007f6d995aa859 abort /build/glibc-ZN95T4/glibc-2.31/stdlib/abort.c:81:7
#5 0x00007f6d995aa729 get_sysdep_segment_value
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:509:8
#6 0x00007f6d995aa729 _nl_load_domain
/build/glibc-ZN95T4/glibc-2.31/intl/loadmsgcat.c:970:34
#7 0x00007f6d995bbf36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#8 0x0000555d3efbf8ea llvm::ShuffleVectorInst::ShuffleVectorInst(llvm::Value*,
llvm::Value*, llvm::ArrayRef<int>, llvm::Twine const&, llvm::Instruction*)
(/scratch/software/clang-trunk/bin/clang-13+0x301d8ea)
#9 0x0000555d3db74709 llvm::IRBuilderBase::CreateShuffleVector(llvm::Value*,
llvm::Value*, llvm::ArrayRef<int>, llvm::Twine const&)
(/scratch/software/clang-trunk/bin/clang-13+0x1bd2709)
#10 0x0000555d3febcf91
clang::CodeGen::CodeGenFunction::EmitX86BuiltinExpr(unsigned int,
clang::CallExpr const*) (/scratch/software/clang-trunk/bin/clang-13+0x3f1af91)
#11 0x0000555d3fef6cb2
clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned
int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3f54cb2)
#12 0x0000555d3ffaa0b7
clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*,
clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x40080b7)
#13 0x0000555d3ffe32b2 (anonymous
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*)
CGExprScalar.cpp:0:0
#14 0x0000555d3ffe07a9 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#15 0x0000555d3ffe8adb (anonymous
namespace)::ScalarExprEmitter::VisitCastExpr(clang::CastExpr*)
CGExprScalar.cpp:0:0
#16 0x0000555d3ffe0796 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#17 0x0000555d3ffe8adb (anonymous
namespace)::ScalarExprEmitter::VisitCastExpr(clang::CastExpr*)
CGExprScalar.cpp:0:0
#18 0x0000555d3ffe0796 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#19 0x0000555d3ffe296a
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x404096a)
#20 0x0000555d3febab57
clang::CodeGen::CodeGenFunction::EmitX86BuiltinExpr(unsigned int,
clang::CallExpr const*) (/scratch/software/clang-trunk/bin/clang-13+0x3f18b57)
#21 0x0000555d3fef6cb2
clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned
int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3f54cb2)
#22 0x0000555d3ffaa0b7
clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*,
clang::CodeGen::ReturnValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x40080b7)
#23 0x0000555d3ffe32b2 (anonymous
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*)
CGExprScalar.cpp:0:0
#24 0x0000555d3ffe07a9 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#25 0x0000555d3ffe8adb (anonymous
namespace)::ScalarExprEmitter::VisitCastExpr(clang::CastExpr*)
CGExprScalar.cpp:0:0
#26 0x0000555d3ffe0796 (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#27 0x0000555d3ffe296a
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x404096a)
#28 0x0000555d3ff89c57 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr
const*, clang::CodeGen::AggValueSlot, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x3fe7c57)
#29 0x0000555d3ffa85ce
clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*)
(/scratch/software/clang-trunk/bin/clang-13+0x40065ce)
#30 0x0000555d3fc8cd1a clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/scratch/software/clang-trunk/bin/clang-13+0x3cead1a)
#31 0x0000555d3fc930bc
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/scratch/software/clang-trunk/bin/clang-13+0x3cf10bc)
#32 0x0000555d3fcea501
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
(/scratch/software/clang-trunk/bin/clang-13+0x3d48501)
#33 0x0000555d3fcfbd5c
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/scratch/software/clang-trunk/bin/clang-13+0x3d59d5c)
#34 0x0000555d3fd553f6
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3db33f6)
#35 0x0000555d3fd50f45
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*) (/scratch/software/clang-trunk/bin/clang-13+0x3daef45)
#36 0x0000555d3fd513ab
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl)
(/scratch/software/clang-trunk/bin/clang-13+0x3daf3ab)
#37 0x0000555d3fd59e62
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
CodeGenModule.cpp:0:0
#38 0x0000555d40a5c7e9 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
ModuleBuilder.cpp:0:0
#39 0x0000555d40a4e9d0
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
(/scratch/software/clang-trunk/bin/clang-13+0x4aac9d0)
#40 0x0000555d41b122b4 clang::ParseAST(clang::Sema&, bool, bool)
(/scratch/software/clang-trunk/bin/clang-13+0x5b702b4)
#41 0x0000555d40a59968 clang::CodeGenAction::ExecuteAction()
(/scratch/software/clang-trunk/bin/clang-13+0x4ab7968)
#42 0x0000555d40309599 clang::FrontendAction::Execute()
(/scratch/software/clang-trunk/bin/clang-13+0x4367599)
#43 0x0000555d4029c7e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/scratch/software/clang-trunk/bin/clang-13+0x42fa7e6)
#44 0x0000555d403e7480
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/scratch/software/clang-trunk/bin/clang-13+0x4445480)
#45 0x0000555d3d207696 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/scratch/software/clang-trunk/bin/clang-13+0x1265696)
#46 0x0000555d3d2039d8 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
driver.cpp:0:0
#47 0x0000555d3d1310e6 main
(/scratch/software/clang-trunk/bin/clang-13+0x118f0e6)
#48 0x00007f6d995ac0b3 __libc_start_main
/build/glibc-ZN95T4/glibc-2.31/csu/../csu/libc-start.c:342:3
#49 0x0000555d3d20354e _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-ed546b.c
clang-13: note: diagnostic msg: /tmp/mutant-ed546b.sh
clang-13: note: diagnostic msg:
********************
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