Fix incorrectly created LSC 2D block writes

This change is to correct overloaded types for GenISA_LSC2DBlockWrite to create its valid function declaration (currently, it uses void instead of anyint).

IGC/Compiler/Optimizer/OpenCLPasses/SubGroupFuncs/SubGroupFuncsResolution.cpp

@@ -1185,7 +1185,7 @@ void SubGroupFuncsResolution::subGroup2DBlockOperation(llvm::CallInst& CI, llvm:
  BlockFunc = GenISAIntrinsic::getDeclaration(
  CI.getCalledFunction()->getParent(),
  GenISAIntrinsic::GenISA_LSC2DBlockWrite,
- CI.getCalledFunction()->getReturnType());
+ CI.getArgOperand(5)->getType());
  }
 
  auto* BlockOp = cast<GenIntrinsicInst>(CallInst::Create(BlockFunc, args, "", &CI));