6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
70 lines
2.2 KiB
C++
70 lines
2.2 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 "polly/ScopPass.h"
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#include "isl/isl-noexceptions.h"
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namespace llvm {
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class PassRegistry;
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class Pass;
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class raw_ostream;
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} // namespace llvm
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namespace polly {
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/// Create a new DeLICM pass instance.
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llvm::Pass *createDeLICMWrapperPass();
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llvm::Pass *createDeLICMPrinterLegacyPass(llvm::raw_ostream &OS);
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struct DeLICMPass final : llvm::PassInfoMixin<DeLICMPass> {
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DeLICMPass() {}
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llvm::PreservedAnalyses run(Scop &S, ScopAnalysisManager &SAM,
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ScopStandardAnalysisResults &SAR, SPMUpdater &U);
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};
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struct DeLICMPrinterPass final : llvm::PassInfoMixin<DeLICMPrinterPass> {
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DeLICMPrinterPass(raw_ostream &OS) : OS(OS) {}
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PreservedAnalyses run(Scop &S, ScopAnalysisManager &,
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ScopStandardAnalysisResults &SAR, SPMUpdater &);
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private:
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llvm::raw_ostream &OS;
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};
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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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} // namespace polly
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namespace llvm {
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void initializeDeLICMWrapperPassPass(llvm::PassRegistry &);
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void initializeDeLICMPrinterLegacyPassPass(llvm::PassRegistry &);
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} // namespace llvm
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#endif /* POLLY_DELICM_H */
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