| //===--- LoopAnalysis.cpp - SIL Loop Analysis -----------------------------===// |
| // |
| // 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/SIL/Dominance.h" |
| #include "swift/SILOptimizer/Analysis/DominanceAnalysis.h" |
| #include "swift/SILOptimizer/Analysis/LoopAnalysis.h" |
| #include "swift/SILOptimizer/PassManager/PassManager.h" |
| #include "llvm/Support/Debug.h" |
| |
| using namespace swift; |
| |
| SILLoopInfo *SILLoopAnalysis::newFunctionAnalysis(SILFunction *F) { |
| assert(DA != nullptr && "Expect a valid dominance analysis"); |
| DominanceInfo *DT = DA->get(F); |
| assert(DT != nullptr && "Expect a valid dominance information"); |
| return new SILLoopInfo(F, DT); |
| } |
| |
| void SILLoopAnalysis::initialize(SILPassManager *PM) { |
| DA = PM->getAnalysis<DominanceAnalysis>(); |
| } |
| |
| SILAnalysis *swift::createLoopAnalysis(SILModule *M) { |
| return new SILLoopAnalysis(M); |
| } |