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e51ded8676
Sinking scalar operands into predicated-triangle regions may allow merging regions. This patch adds a VPlan-to-VPlan transform that tries to merge predicate-triangle regions after sinking. Reviewed By: Ayal Differential Revision: https://reviews.llvm.org/D100260
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
//===- VPlanTransforms.h - Utility VPlan to VPlan transforms --------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file provides utility VPlan to VPlan transformations.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
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#define LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
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#include "VPlan.h"
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#include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
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namespace llvm {
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class Instruction;
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class ScalarEvolution;
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struct VPlanTransforms {
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/// Replaces the VPInstructions in \p Plan with corresponding
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/// widen recipes.
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static void VPInstructionsToVPRecipes(
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Loop *OrigLoop, VPlanPtr &Plan,
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LoopVectorizationLegality::InductionList &Inductions,
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SmallPtrSetImpl<Instruction *> &DeadInstructions, ScalarEvolution &SE);
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static bool sinkScalarOperands(VPlan &Plan);
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static bool mergeReplicateRegions(VPlan &Plan);
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};
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} // namespace llvm
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#endif // LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
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