[VPlan/PatternMatch] Strip VectorPointerRecipe

Author: artagnon

llvm/lib/Transforms/Vectorize/VPlanPatternMatch.h

@@ -254,8 +254,7 @@ struct Recipe_match {
     // Check for recipes that do not have opcodes.
     if constexpr (std::is_same_v<RecipeTy, VPScalarIVStepsRecipe> ||
                   std::is_same_v<RecipeTy, VPCanonicalIVPHIRecipe> ||
-                  std::is_same_v<RecipeTy, VPDerivedIVRecipe> ||
-                  std::is_same_v<RecipeTy, VPVectorPointerRecipe>)
+                  std::is_same_v<RecipeTy, VPDerivedIVRecipe>)
       return DefR;
     else
       return DefR && DefR->getOpcode() == Opcode;
@@ -526,8 +525,7 @@ m_SpecificCmp(CmpPredicate MatchPred, const Op0_t &Op0, const Op1_t &Op1) {
 template <typename Op0_t, typename Op1_t>
 using GEPLikeRecipe_match = match_combine_or<
     Recipe_match<std::tuple<Op0_t, Op1_t>, Instruction::GetElementPtr,
-                 /*Commutative*/ false, VPReplicateRecipe, VPWidenGEPRecipe,
-                 VPVectorPointerRecipe>,
+                 /*Commutative*/ false, VPReplicateRecipe, VPWidenGEPRecipe>,
     match_combine_or<
         VPInstruction_match<VPInstruction::PtrAdd, Op0_t, Op1_t>,
         VPInstruction_match<VPInstruction::WidePtrAdd, Op0_t, Op1_t>>>;
@@ -537,8 +535,8 @@ inline GEPLikeRecipe_match<Op0_t, Op1_t> m_GetElementPtr(const Op0_t &Op0,
                                                          const Op1_t &Op1) {
   return m_CombineOr(
       Recipe_match<std::tuple<Op0_t, Op1_t>, Instruction::GetElementPtr,
-                   /*Commutative*/ false, VPReplicateRecipe, VPWidenGEPRecipe,
-                   VPVectorPointerRecipe>(Op0, Op1),
+                   /*Commutative*/ false, VPReplicateRecipe, VPWidenGEPRecipe>(
+          Op0, Op1),
       m_CombineOr(
           VPInstruction_match<VPInstruction::PtrAdd, Op0_t, Op1_t>(Op0, Op1),
           VPInstruction_match<VPInstruction::WidePtrAdd, Op0_t, Op1_t>(Op0,