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110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
//===- BasicCalleeAnalysis.h - Determine callees per call site --*- 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_BASICCALLEEANALYSIS_H
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#define SWIFT_SILOPTIMIZER_ANALYSIS_BASICCALLEEANALYSIS_H
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#include "swift/SILOptimizer/Analysis/Analysis.h"
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#include "swift/SIL/CalleeCache.h"
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/ApplySite.h"
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#include "swift/SIL/SILModule.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/PointerIntPair.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/TinyPtrVector.h"
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#include "llvm/Support/Allocator.h"
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namespace swift {
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class BasicCalleeAnalysis : public SILAnalysis {
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SILModule &M;
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std::unique_ptr<CalleeCache> Cache;
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public:
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BasicCalleeAnalysis(SILModule *M)
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: SILAnalysis(SILAnalysisKind::BasicCallee), M(*M), Cache(nullptr) {}
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~BasicCalleeAnalysis() {}
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static bool classof(const SILAnalysis *S) {
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return S->getKind() == SILAnalysisKind::BasicCallee;
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}
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/// Invalidate all information in this analysis.
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virtual void invalidate() override {
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Cache.reset();
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}
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/// Invalidate all of the information for a specific function.
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virtual void invalidate(SILFunction *F, InvalidationKind K) override {
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// No invalidation needed because the analysis does not cache anything
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// per call-site in functions.
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}
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/// Notify the analysis about a newly created function.
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virtual void notifyAddedOrModifiedFunction(SILFunction *F) override {
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// Nothing to be done because the analysis does not cache anything
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// per call-site in functions.
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}
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/// Notify the analysis about a function which will be deleted from the
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/// module.
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virtual void notifyWillDeleteFunction(SILFunction *F) override {
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// No invalidation needed because the analysis does not cache anything per
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// call-site in functions.
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}
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/// Notify the analysis about changed witness or vtables.
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virtual void invalidateFunctionTables() override {
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Cache.reset();
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}
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SWIFT_DEBUG_DUMP;
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void print(llvm::raw_ostream &os) const;
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void updateCache() {
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if (!Cache)
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Cache = std::make_unique<CalleeCache>(M);
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}
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CalleeList getCalleeList(FullApplySite FAS) {
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updateCache();
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return Cache->getCalleeList(FAS);
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}
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CalleeList getCalleeListOfValue(SILValue callee) {
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updateCache();
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return Cache->getCalleeListOfValue(callee);
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}
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CalleeList getDestructors(SILType type, bool isExactType) {
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updateCache();
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return Cache->getDestructors(type, isExactType);
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}
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MemoryBehavior getMemoryBehavior(FullApplySite as, bool observeRetains);
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CalleeCache *getCalleeCache() { return Cache.get(); }
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};
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bool isDeinitBarrier(SILInstruction *const instruction,
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BasicCalleeAnalysis *bca);
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} // end namespace swift
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#endif
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