unify the constructor of VPWidenStoreEVLRecipe

Author: Mel-Chen

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -3476,20 +3476,11 @@ struct LLVM_ABI_FOR_TEST VPWidenStoreRecipe final : public VPWidenMemoryRecipe {
 /// using the value to store, the address to store to, the explicit vector
 /// length and an optional mask.
 struct VPWidenStoreEVLRecipe final : public VPWidenMemoryRecipe {
-  VPWidenStoreEVLRecipe(VPWidenStoreRecipe &S, VPValue *Addr, VPValue &EVL,
-                        VPValue *Mask)
-      : VPWidenMemoryRecipe(VPDef::VPWidenStoreEVLSC, S.getIngredient(),
-                            {Addr, S.getStoredValue(), &EVL}, S.isConsecutive(),
-                            S.isReverse(), S, S.getDebugLoc()) {
-    setMask(Mask);
-  }
-
   VPWidenStoreEVLRecipe(VPWidenStoreRecipe &S, VPValue *Addr,
                         VPValue *StoredVal, VPValue &EVL, VPValue *Mask)
       : VPWidenMemoryRecipe(VPDef::VPWidenStoreEVLSC, S.getIngredient(),
                             {Addr, StoredVal, &EVL}, S.isConsecutive(),
                             S.isReverse(), S, S.getDebugLoc()) {
-    assert(isReverse() && "Only reverse access need to set new stored value");
     setMask(Mask);
   }
 

llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

@@ -2870,11 +2870,12 @@ static VPRecipeBase *optimizeMaskToEVL(VPValue *HeaderMask,
         TypeInfo.inferScalarType(LoadR), {}, {}, DL);
   }
 
-  if (match(&CurRecipe, m_MaskedStore(m_VPValue(Addr), m_VPValue(),
+  VPValue *StoredVal;
+  if (match(&CurRecipe, m_MaskedStore(m_VPValue(Addr), m_VPValue(StoredVal),
                                       m_RemoveMask(HeaderMask, Mask))) &&
       !cast<VPWidenStoreRecipe>(CurRecipe).isReverse())
     return new VPWidenStoreEVLRecipe(cast<VPWidenStoreRecipe>(CurRecipe), Addr,
-                                     EVL, Mask);
+                                     StoredVal, EVL, Mask);
 
   if (match(&CurRecipe,
             m_MaskedStore(m_VPValue(EndPtr), m_Reverse(m_VPValue(ReversedVal)),