6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
//===------ Simplify.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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// Simplify a SCoP by removing unnecessary statements and accesses.
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//
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//===----------------------------------------------------------------------===//
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#ifndef POLLY_TRANSFORM_SIMPLIFY_H
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#define POLLY_TRANSFORM_SIMPLIFY_H
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#include "polly/ScopPass.h"
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#include "llvm/ADT/SmallVector.h"
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namespace llvm {
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class PassRegistry;
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class Pass;
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} // namespace llvm
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namespace polly {
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class MemoryAccess;
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class ScopStmt;
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/// Return a vector that contains MemoryAccesses in the order in
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/// which they are executed.
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///
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/// The order is:
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/// - Implicit reads (BlockGenerator::generateScalarLoads)
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/// - Explicit reads and writes (BlockGenerator::generateArrayLoad,
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/// BlockGenerator::generateArrayStore)
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/// - In block statements, the accesses are in order in which their
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/// instructions are executed.
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/// - In region statements, that order of execution is not predictable at
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/// compile-time.
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/// - Implicit writes (BlockGenerator::generateScalarStores)
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/// The order in which implicit writes are executed relative to each other is
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/// undefined.
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llvm::SmallVector<MemoryAccess *, 32> getAccessesInOrder(ScopStmt &Stmt);
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/// Create a Simplify pass
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///
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/// @param CallNo Disambiguates this instance for when there are multiple
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/// instances of this pass in the pass manager. It is used only to
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/// keep the statistics apart and has no influence on the
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/// simplification itself.
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///
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/// @return The Simplify pass.
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llvm::Pass *createSimplifyWrapperPass(int CallNo = 0);
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llvm::Pass *createSimplifyPrinterLegacyPass(llvm::raw_ostream &OS);
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struct SimplifyPass final : PassInfoMixin<SimplifyPass> {
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SimplifyPass(int CallNo = 0) : CallNo(CallNo) {}
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llvm::PreservedAnalyses run(Scop &S, ScopAnalysisManager &SAM,
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ScopStandardAnalysisResults &AR, SPMUpdater &U);
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private:
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int CallNo;
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};
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struct SimplifyPrinterPass final : PassInfoMixin<SimplifyPrinterPass> {
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SimplifyPrinterPass(raw_ostream &OS, int CallNo = 0)
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: OS(OS), CallNo(CallNo) {}
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PreservedAnalyses run(Scop &S, ScopAnalysisManager &,
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ScopStandardAnalysisResults &, SPMUpdater &);
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private:
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raw_ostream &OS;
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int CallNo;
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};
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} // namespace polly
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namespace llvm {
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void initializeSimplifyWrapperPassPass(llvm::PassRegistry &);
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void initializeSimplifyPrinterLegacyPassPass(llvm::PassRegistry &);
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} // namespace llvm
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#endif /* POLLY_TRANSFORM_SIMPLIFY_H */
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