Checking literal type

Literal types don't have names and attempt to read it's name causes assertion fail.
Matrix types nead to have specific prefix in their name, thus literal types can't be matrix type.

Author: tuStroma

IGC/Compiler/Optimizer/OpenCLPasses/JointMatrixFuncsResolutionPass/JointMatrixFuncsResolutionPass.cpp

@@ -754,6 +754,9 @@ static bool isMatrixType(const Type *type)
     if (!eltType || !eltType->isStructTy())
         return false;
 
+    if (cast<StructType>(eltType)->isLiteral())
+        return false;
+
     StringRef name = eltType->getStructName();
     if (name.startswith("intel.joint_matrix") || name.startswith("spirv.JointMatrixINTEL._"))
         return true;