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
40