fix code style

Author: wzssyqa

llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -8611,7 +8611,7 @@ SDValue TargetLowering::expandFMINIMUMNUM_FMAXIMUMNUM(SDNode *Node,
     EVT RCCVT = CCVT;
     // expandIS_FPCLASS is buggy for GPR32+FPR64. Let's round them to single for
     // this case.
-    if (!isOperationLegal (ISD::BITCAST, VT.changeTypeToInteger())) {
+    if (!isOperationLegal(ISD::BITCAST, VT.changeTypeToInteger())) {
       LRound = DAG.getNode(ISD::FP_ROUND, DL, MVT::f32, LHS,
                            DAG.getIntPtrConstant(0, DL, /*isTarget=*/true));
       RRound = DAG.getNode(ISD::FP_ROUND, DL, MVT::f32, RHS,