41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
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//===- llvm/Transforms/Utils/LoopPeel.h ----- Peeling utilities -*- C++ -*-===//
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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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// This file defines some loop peeling utilities. It does not define any
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// actual pass or policy.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_UTILS_LOOPPEEL_H
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#define LLVM_TRANSFORMS_UTILS_LOOPPEEL_H
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#include "llvm/Analysis/TargetTransformInfo.h"
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namespace llvm {
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bool canPeel(Loop *L);
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bool peelLoop(Loop *L, unsigned PeelCount, LoopInfo *LI, ScalarEvolution *SE,
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DominatorTree *DT, AssumptionCache *AC, bool PreserveLCSSA);
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TargetTransformInfo::PeelingPreferences
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gatherPeelingPreferences(Loop *L, ScalarEvolution &SE,
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const TargetTransformInfo &TTI,
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Optional<bool> UserAllowPeeling,
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Optional<bool> UserAllowProfileBasedPeeling,
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bool UnrollingSpecficValues = false);
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void computePeelCount(Loop *L, unsigned LoopSize,
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TargetTransformInfo::PeelingPreferences &PP,
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unsigned &TripCount, ScalarEvolution &SE,
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unsigned Threshold = UINT_MAX);
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_UTILS_LOOPPEEL_H
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