[VPlan] Remove redundant VPWidenRecipe constructors (NFC)

Since the removal of VPWidenEVLRecipe, the constructors taking a
VPDefOpcode are not needed any more. Remove them.

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -1304,24 +1304,15 @@ struct VPIRPhi : public VPIRInstruction, public VPPhiAccessors {
 class VPWidenRecipe : public VPRecipeWithIRFlags, public VPIRMetadata {
   unsigned Opcode;
 
-protected:
-  VPWidenRecipe(unsigned VPDefOpcode, Instruction &I,
-                ArrayRef<VPValue *> Operands)
-      : VPRecipeWithIRFlags(VPDefOpcode, Operands, I), VPIRMetadata(I),
-        Opcode(I.getOpcode()) {}
-
-  VPWidenRecipe(unsigned VPDefOpcode, unsigned Opcode,
-                ArrayRef<VPValue *> Operands, bool NUW, bool NSW, DebugLoc DL)
-      : VPRecipeWithIRFlags(VPDefOpcode, Operands, WrapFlagsTy(NUW, NSW), DL),
+public:
+  VPWidenRecipe(unsigned Opcode, ArrayRef<VPValue *> Operands,
+                const VPIRFlags &Flags, DebugLoc DL)
+      : VPRecipeWithIRFlags(VPDef::VPWidenSC, Operands, Flags, DL),
         Opcode(Opcode) {}
 
-public:
   VPWidenRecipe(Instruction &I, ArrayRef<VPValue *> Operands)
-      : VPWidenRecipe(VPDef::VPWidenSC, I, Operands) {}
-
-  VPWidenRecipe(unsigned Opcode, ArrayRef<VPValue *> Operands, bool NUW,
-                bool NSW, DebugLoc DL)
-      : VPWidenRecipe(VPDef::VPWidenSC, Opcode, Operands, NUW, NSW, DL) {}
+      : VPRecipeWithIRFlags(VPDef::VPWidenSC, Operands, I), VPIRMetadata(I),
+        Opcode(I.getOpcode()) {}
 
   ~VPWidenRecipe() override = default;
 

llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

@@ -2703,9 +2703,8 @@ expandVPMulAccumulateReduction(VPMulAccumulateReductionRecipe *MulAcc) {
   }
 
   std::array<VPValue *, 2> MulOps = {Op0, Op1};
-  auto *Mul = new VPWidenRecipe(
-      Instruction::Mul, ArrayRef(MulOps), MulAcc->hasNoUnsignedWrap(),
-      MulAcc->hasNoSignedWrap(), MulAcc->getDebugLoc());
+  auto *Mul = new VPWidenRecipe(Instruction::Mul, ArrayRef(MulOps), *MulAcc,
+                                MulAcc->getDebugLoc());
   Mul->insertBefore(MulAcc);
 
   auto *Red = new VPReductionRecipe(