llvm/lib/Transforms/Vectorize/VPlanTransforms.h

   1 //===- VPlanTransforms.h - Utility VPlan to VPlan transforms --------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 ///
   9 /// \file
  10 /// This file provides utility VPlan to VPlan transformations.
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
  14 #define LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
  15
  16 #include "VPlan.h"
  17 #include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
  18
  19 namespace llvm {
  20
  21 class Instruction;
  22 class ScalarEvolution;
  23
  24 struct VPlanTransforms {
  25   /// Replaces the VPInstructions in \p Plan with corresponding
  26   /// widen recipes.
  27   static void VPInstructionsToVPRecipes(
  28       Loop *OrigLoop, VPlanPtr &Plan,
  29       LoopVectorizationLegality::InductionList &Inductions,
  30       SmallPtrSetImpl<Instruction *> &DeadInstructions, ScalarEvolution &SE);
  31
  32   static bool sinkScalarOperands(VPlan &Plan);
  33
  34   static bool mergeReplicateRegions(VPlan &Plan);
  35 };
  36
  37 } // namespace llvm
  38
  39 #endif // LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H