https://llvm.org/bugs/show_bug.cgi?id=24021
Bug ID: 24021
Summary: Assertion failure with -mavx
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Following example gives an Assertion failure on linux, with -mavx
-----------------------------------------------
typedef float __m256 __attribute__ ((__vector_size__ (32)));
union ub {__m256 f1;int f2;};
void testx( void (*func)(ub, int));
void (*f0) (ub, int);;
int main(int argc, char **argv)
{
testx (f0);;
return 0;
}
-----------------------------------------------
clang version 3.7.0 (trunk 241287)
Target: x86_64-unknown-linux-gnu
$clang++ -cc1 -emit-obj -target-feature +avx -triple x86_64-unknown-linux-gnu
bad.cpp
clang++: /llvm/tools/clang/lib/CodeGen/TargetInfo.cpp:2655:
clang::CodeGen::ABIArgInfo
{anonymous}::X86_64ABIInfo::classifyArgumentType(clang::QualType, unsigned int,
unsigned int&, unsigned int&, bool) const: Assertion `(Hi != SSEUp || Lo ==
SSE) && "Invalid SSEUp classification."' failed.
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