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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
//===--- DominanceAnalysis.h - SIL Dominance Analysis -----------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SILOPTIMIZER_ANALYSIS_DOMINANCEANALYSIS_H
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#define SWIFT_SILOPTIMIZER_ANALYSIS_DOMINANCEANALYSIS_H
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/Dominance.h"
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#include "swift/SILOptimizer/Analysis/Analysis.h"
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#include "llvm/ADT/DenseMap.h"
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namespace swift {
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class SILModule;
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class SILInstruction;
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class DominanceAnalysis : public FunctionAnalysisBase<DominanceInfo> {
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protected:
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virtual void verify(DominanceInfo *DI) const override {
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if (DI->getRoots().empty())
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return;
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DI->verify();
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}
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public:
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DominanceAnalysis()
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: FunctionAnalysisBase<DominanceInfo>(AnalysisKind::Dominance) {}
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DominanceAnalysis(const DominanceAnalysis &) = delete;
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DominanceAnalysis &operator=(const DominanceAnalysis &) = delete;
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static bool classof(const SILAnalysis *S) {
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return S->getKind() == AnalysisKind::Dominance;
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}
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DominanceInfo *newFunctionAnalysis(SILFunction *F) override {
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return new DominanceInfo(F);
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}
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virtual bool shouldInvalidate(SILAnalysis::InvalidationKind K) override {
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return K & InvalidationKind::Branches;
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}
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};
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class PostDominanceAnalysis : public FunctionAnalysisBase<PostDominanceInfo> {
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protected:
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virtual void verify(PostDominanceInfo *PDI) const override {
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if (PDI->getRoots().empty())
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return;
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PDI->verify();
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}
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public:
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PostDominanceAnalysis()
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: FunctionAnalysisBase<PostDominanceInfo>(AnalysisKind::PostDominance) {}
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PostDominanceAnalysis(const PostDominanceAnalysis &) = delete;
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PostDominanceAnalysis &operator=(const PostDominanceAnalysis &) = delete;
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static bool classof(const SILAnalysis *S) {
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return S->getKind() == AnalysisKind::PostDominance;
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}
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PostDominanceInfo *newFunctionAnalysis(SILFunction *F) override {
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return new PostDominanceInfo(F);
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}
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virtual bool shouldInvalidate(SILAnalysis::InvalidationKind K) override {
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return K & InvalidationKind::Branches;
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}
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};
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} // end namespace swift
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#endif
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