[VPlan] Remove redundant getVPSingleValue for VPSingleDefRecipes (NFC).

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

@@ -971,8 +971,7 @@ InstructionCost VPWidenCallRecipe::computeCost(ElementCount VF,
     Arguments.push_back(V);
   }
 
-  Type *RetTy =
-      ToVectorTy(Ctx.Types.inferScalarType(this->getVPSingleValue()), VF);
+  Type *RetTy = ToVectorTy(Ctx.Types.inferScalarType(this), VF);
   SmallVector<Type *> ParamTys;
   for (unsigned I = 0; I != getNumOperands(); ++I)
     ParamTys.push_back(
@@ -1279,8 +1278,7 @@ InstructionCost VPWidenRecipe::computeCost(ElementCount VF,
   TTI::TargetCostKind CostKind = TTI::TCK_RecipThroughput;
   switch (Opcode) {
   case Instruction::FNeg: {
-    Type *VectorTy =
-        ToVectorTy(Ctx.Types.inferScalarType(this->getVPSingleValue()), VF);
+    Type *VectorTy = ToVectorTy(Ctx.Types.inferScalarType(this), VF);
     return Ctx.TTI.getArithmeticInstrCost(
         Opcode, VectorTy, CostKind,
         {TargetTransformInfo::OK_AnyValue, TargetTransformInfo::OP_None},
@@ -1318,8 +1316,7 @@ InstructionCost VPWidenRecipe::computeCost(ElementCount VF,
     if (RHSInfo.Kind == TargetTransformInfo::OK_AnyValue &&
         getOperand(1)->isDefinedOutsideLoopRegions())
       RHSInfo.Kind = TargetTransformInfo::OK_UniformValue;
-    Type *VectorTy =
-        ToVectorTy(Ctx.Types.inferScalarType(this->getVPSingleValue()), VF);
+    Type *VectorTy = ToVectorTy(Ctx.Types.inferScalarType(this), VF);
     Instruction *CtxI = dyn_cast_or_null<Instruction>(getUnderlyingValue());
 
     SmallVector<const Value *, 4> Operands;
@@ -1332,8 +1329,7 @@ InstructionCost VPWidenRecipe::computeCost(ElementCount VF,
   }
   case Instruction::Freeze: {
     // This opcode is unknown. Assume that it is the same as 'mul'.
-    Type *VectorTy =
-        ToVectorTy(Ctx.Types.inferScalarType(this->getVPSingleValue()), VF);
+    Type *VectorTy = ToVectorTy(Ctx.Types.inferScalarType(this), VF);
     return Ctx.TTI.getArithmeticInstrCost(Instruction::Mul, VectorTy, CostKind);
   }
   case Instruction::ICmp:
@@ -2994,7 +2990,7 @@ void VPExpandSCEVRecipe::execute(VPTransformState &State) {
 void VPExpandSCEVRecipe::print(raw_ostream &O, const Twine &Indent,
                                VPSlotTracker &SlotTracker) const {
   O << Indent << "EMIT ";
-  getVPSingleValue()->printAsOperand(O, SlotTracker);
+  printAsOperand(O, SlotTracker);
   O << " = EXPAND SCEV " << *Expr;
 }
 #endif