You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.5 KiB
49 lines
1.5 KiB
4 months ago
|
//===------ DeLICM.h --------------------------------------------*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// Undo the effect of Loop Invariant Code Motion (LICM) and
|
||
|
|
// GVN Partial Redundancy Elimination (PRE) on SCoP-level.
|
||
|
|
//
|
||
|
|
// Namely, remove register/scalar dependencies by mapping them back to array
|
||
|
|
// elements.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef POLLY_DELICM_H
|
||
|
|
#define POLLY_DELICM_H
|
||
|
|
|
||
|
|
#include "isl/isl-noexceptions.h"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
class PassRegistry;
|
||
|
|
class Pass;
|
||
|
|
class raw_ostream;
|
||
|
|
} // namespace llvm
|
||
|
|
|
||
|
|
namespace polly {
|
||
|
|
/// Create a new DeLICM pass instance.
|
||
|
|
llvm::Pass *createDeLICMPass();
|
||
|
|
|
||
|
|
/// Determine whether two lifetimes are conflicting.
|
||
|
|
///
|
||
|
|
/// Used by unittesting.
|
||
|
|
bool isConflicting(isl::union_set ExistingOccupied,
|
||
|
|
isl::union_set ExistingUnused, isl::union_map ExistingKnown,
|
||
|
|
isl::union_map ExistingWrites,
|
||
|
|
isl::union_set ProposedOccupied,
|
||
|
|
isl::union_set ProposedUnused, isl::union_map ProposedKnown,
|
||
|
|
isl::union_map ProposedWrites,
|
||
|
|
llvm::raw_ostream *OS = nullptr, unsigned Indent = 0);
|
||
|
|
} // namespace polly
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
void initializeDeLICMPass(llvm::PassRegistry &);
|
||
|
|
} // namespace llvm
|
||
|
|
|
||
|
|
#endif /* POLLY_DELICM_H */
|