[X86] Rename overly verbose method; NFC

As suggested on D56636.

llvm-svn: 351021

Author: nikic

llvm/include/llvm/CodeGen/TargetLowering.h

@@ -3834,8 +3834,7 @@ class TargetLowering : public TargetLoweringBase {
 
   /// Method for building the DAG expansion of ISD::[US][ADD|SUB]SAT. This
   /// method accepts integers as its arguments.
-  SDValue getExpandedSaturationAdditionSubtraction(SDNode *Node,
-                                                   SelectionDAG &DAG) const;
+  SDValue expandAddSubSat(SDNode *Node, SelectionDAG &DAG) const;
 
   /// Method for building the DAG expansion of ISD::SMULFIX. This method accepts
   /// integers as its arguments.

llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -3287,14 +3287,12 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) {
   case ISD::SADDSAT:
   case ISD::UADDSAT:
   case ISD::SSUBSAT:
-  case ISD::USUBSAT: {
-    Results.push_back(TLI.getExpandedSaturationAdditionSubtraction(Node, DAG));
+  case ISD::USUBSAT:
+    Results.push_back(TLI.expandAddSubSat(Node, DAG));
     break;
-  }
-  case ISD::SMULFIX: {
+  case ISD::SMULFIX:
     Results.push_back(TLI.getExpandedFixedPointMultiplication(Node, DAG));
     break;
-  }
   case ISD::SADDO:
   case ISD::SSUBO: {
     SDValue LHS = Node->getOperand(0);

llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp

@@ -2577,7 +2577,7 @@ void DAGTypeLegalizer::ExpandIntRes_READCYCLECOUNTER(SDNode *N, SDValue &Lo,
 
 void DAGTypeLegalizer::ExpandIntRes_ADDSUBSAT(SDNode *N, SDValue &Lo,
                                               SDValue &Hi) {
-  SDValue Result = TLI.getExpandedSaturationAdditionSubtraction(N, DAG);
+  SDValue Result = TLI.expandAddSubSat(N, DAG);
   SplitInteger(Result, Lo, Hi);
 }
 

llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -5275,8 +5275,7 @@ SDValue TargetLowering::lowerCmpEqZeroToCtlzSrl(SDValue Op,
   return SDValue();
 }
 
-SDValue TargetLowering::getExpandedSaturationAdditionSubtraction(
-    SDNode *Node, SelectionDAG &DAG) const {
+SDValue TargetLowering::expandAddSubSat(SDNode *Node, SelectionDAG &DAG) const {
   unsigned Opcode = Node->getOpcode();
   unsigned OverflowOp;
   switch (Opcode) {