| //===--- Link.cpp - Link in transparent SILFunctions from module ----------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/SILOptimizer/PassManager/Passes.h" |
| #include "swift/SILOptimizer/PassManager/Transforms.h" |
| #include "swift/SIL/SILModule.h" |
| |
| using namespace swift; |
| |
| //===----------------------------------------------------------------------===// |
| // Top Level Driver |
| //===----------------------------------------------------------------------===// |
| |
| namespace { |
| |
| /// Copies code from the standard library into the user program to enable |
| /// optimizations. |
| class SILLinker : public SILModuleTransform { |
| SILModule::LinkingMode LinkMode; |
| |
| public: |
| explicit SILLinker(SILModule::LinkingMode LinkMode) : LinkMode(LinkMode) {} |
| |
| void run() override { |
| SILModule &M = *getModule(); |
| for (auto &Fn : M) |
| if (M.linkFunction(&Fn, LinkMode)) |
| invalidateAnalysis(&Fn, SILAnalysis::InvalidationKind::Everything); |
| } |
| |
| }; |
| } // end anonymous namespace |
| |
| |
| SILTransform *swift::createMandatorySILLinker() { |
| return new SILLinker(SILModule::LinkingMode::LinkNormal); |
| } |
| |
| SILTransform *swift::createPerformanceSILLinker() { |
| return new SILLinker(SILModule::LinkingMode::LinkAll); |
| } |