f12ad95991
PR #125442 replaces the pass-based Polly architecture with a monolithic pass consisting of phases. Reasons listed in https://github.com/llvm/llvm-project/pull/125442. With this change, the SCoP-passes became redundant problematic versions of the same functionality and are removed.
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
//===------ DeLICM.h --------------------------------------------*- 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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// Undo the effect of Loop Invariant Code Motion (LICM) and
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// GVN Partial Redundancy Elimination (PRE) on SCoP-level.
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//
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// Namely, remove register/scalar dependencies by mapping them back to array
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// elements.
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//
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//===----------------------------------------------------------------------===//
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#ifndef POLLY_DELICM_H
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#define POLLY_DELICM_H
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#include "isl/isl-noexceptions.h"
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namespace llvm {
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class raw_ostream;
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} // namespace llvm
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namespace polly {
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class Scop;
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/// Determine whether two lifetimes are conflicting.
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///
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/// Used by unittesting.
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bool isConflicting(isl::union_set ExistingOccupied,
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isl::union_set ExistingUnused, isl::union_map ExistingKnown,
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isl::union_map ExistingWrites,
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isl::union_set ProposedOccupied,
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isl::union_set ProposedUnused, isl::union_map ProposedKnown,
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isl::union_map ProposedWrites,
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llvm::raw_ostream *OS = nullptr, unsigned Indent = 0);
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bool runDeLICM(Scop &S);
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} // namespace polly
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#endif /* POLLY_DELICM_H */
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