- Force NEON for streaming in scalar tests

- Removed MC test

Author: Amichaxx

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -19921,6 +19921,9 @@ tryToReplaceScalarFPConversionWithSVE(SDNode *N, SelectionDAG &DAG,
   if (DCI.isBeforeLegalizeOps())
     return SDValue();
 
+  if (Subtarget->isStreaming() && Subtarget->hasFPRCVT())
+  return SDValue();
+  
   if (!Subtarget->isSVEorStreamingSVEAvailable() ||
       (!Subtarget->isStreaming() && !Subtarget->isStreamingCompatible()))
     return SDValue();