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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
//===--- Passes.h - LLVM optimizer passes for Swift -------------*- 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_LLVMPASSES_PASSES_H
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#define SWIFT_LLVMPASSES_PASSES_H
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#include "swift/LLVMPasses/PassesFwd.h"
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#include "llvm/Analysis/AliasAnalysis.h"
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#include "llvm/Pass.h"
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namespace swift {
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struct SwiftAAResult : llvm::AAResultBase<SwiftAAResult> {
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friend llvm::AAResultBase<SwiftAAResult>;
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explicit SwiftAAResult() : AAResultBase() {}
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SwiftAAResult(SwiftAAResult &&Arg)
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: AAResultBase(std::move(Arg)) {}
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bool invalidate(llvm::Function &,
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const llvm::PreservedAnalyses &) { return false; }
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using AAResultBase::getModRefInfo;
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llvm::ModRefInfo getModRefInfo(llvm::ImmutableCallSite CS,
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const llvm::MemoryLocation &Loc);
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};
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class SwiftAAWrapperPass : public llvm::ImmutablePass {
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std::unique_ptr<SwiftAAResult> Result;
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public:
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static char ID; // Class identification, replacement for typeinfo
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SwiftAAWrapperPass();
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SwiftAAResult &getResult() { return *Result; }
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const SwiftAAResult &getResult() const { return *Result; }
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bool doInitialization(llvm::Module &M) override;
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bool doFinalization(llvm::Module &M) override;
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void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
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};
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class SwiftRCIdentity : public llvm::ImmutablePass {
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public:
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static char ID; // Class identification, replacement for typeinfo
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SwiftRCIdentity() : ImmutablePass(ID) {}
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/// Returns the root of the RC-equivalent value for the given V.
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llvm::Value *getSwiftRCIdentityRoot(llvm::Value *V);
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private:
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enum { MaxRecursionDepth = 16 };
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bool doInitialization(llvm::Module &M) override;
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void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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}
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llvm::Value *stripPointerCasts(llvm::Value *Val);
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llvm::Value *stripReferenceForwarding(llvm::Value *Val);
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};
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class SwiftARCOpt : public llvm::FunctionPass {
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/// Swift RC Identity analysis.
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SwiftRCIdentity *RC;
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virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
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virtual bool runOnFunction(llvm::Function &F) override;
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public:
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static char ID;
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SwiftARCOpt();
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};
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class SwiftARCContract : public llvm::FunctionPass {
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/// Swift RC Identity analysis.
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SwiftRCIdentity *RC;
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virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
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virtual bool runOnFunction(llvm::Function &F) override;
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public:
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static char ID;
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SwiftARCContract() : llvm::FunctionPass(ID) {}
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};
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class InlineTreePrinter : public llvm::ModulePass {
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virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
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virtual bool runOnModule(llvm::Module &M) override;
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public:
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static char ID;
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InlineTreePrinter() : llvm::ModulePass(ID) {}
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};
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} // end namespace swift
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#endif
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