1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
| //===------ 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 */
|