https://bugs.llvm.org/show_bug.cgi?id=48298
Bug ID: 48298
Summary: MSAN assertion failure during instrumentation of
avx512 intrinsic
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: tomasz.mia...@gmail.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Originally reported in https://github.com/rust-lang/stdarch/issues/957
#include <immintrin.h>
unsigned test_mm_cvt_roundss_u32(__m128 __A) {
return _mm_cvt_roundss_u32(__A, _MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC);
}
$ clang a.c -march=skylake-avx512 -fsanitize=memory
clang: llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp:2783: void
{anonymous}::MemorySanitizerVisitor::handleVectorConvertIntrinsic(llvm::IntrinsicInst&,
int): Assertion `CopyOp->getType() == I.getType()' failed.
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