Fix Joint Matrix mangling for CompositeConstruct

Joint Matrix mangling in SPIRV reader did not take into
account return type for CompositeConstruct. It led
to assertion when CompositeConstruct with different
sizes matrices were used from the same compilation module.

IGC/AdaptorOCL/SPIRV/SPIRVReader.cpp

@@ -3182,11 +3182,13 @@ SPIRVToLLVM::transValueWithoutDecoration(SPIRVValue *BV, Function *F,
       std::vector<Type *> ArgTys = { CV[0]->getType() };
       std::vector<Value *> Args = { CV[0] };
 
-      Type *T = transType( BV->getType() );
+      auto *ResMatTy = static_cast<SPIRVTypeJointMatrixINTEL *>(BV->getType());
+      Type *T = transType( ResMatTy );
       FunctionType *builtinTy = FunctionType::get( T, ArgTys, false );
 
       auto BI = static_cast<SPIRVInstruction *>( BV );
-      std::string builtinName( getSPIRVBuiltinName( BV->getOpCode(), BI, ArgTys, "JointMatrixINTEL" ) );
+      std::string suffix = "JointMatrixINTEL_" + ResMatTy->getMangledName();
+      std::string builtinName( getSPIRVBuiltinName( BV->getOpCode(), BI, ArgTys, suffix ) );
       Function *Func = cast<Function>( M->getOrInsertFunction( builtinName, builtinTy ) );
 
       CallInst *CI = CallInst::Create( Func, Args, "matrix", BB );