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240ff14db1
This commit splits DominanceAnalysis into two analysis (Dom and PDom) that can be cached and invalidates using the common FunctionAnalysisBase interface independent of one another. Swift SVN r26643
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
//===-------------- LoopAnalysis.cpp - SIL Loop 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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/SIL/Dominance.h"
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#include "swift/SILAnalysis/DominanceAnalysis.h"
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#include "swift/SILAnalysis/LoopAnalysis.h"
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#include "swift/SILPasses/PassManager.h"
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#include "llvm/Support/Debug.h"
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using namespace swift;
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SILLoopInfo *SILLoopAnalysis::getLoopInfo(SILFunction *F) {
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if (!LoopInfos.count(F)) {
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DominanceAnalysis *DA = PM->getAnalysis<DominanceAnalysis>();
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assert(DA != nullptr && "Expect a valid dominance analysis");
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DominanceInfo *DT = DA->get(F);
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assert(DT != nullptr && "Expect a valid dominance information");
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LoopInfos[F] = new SILLoopInfo(F, DT);
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}
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return LoopInfos[F];
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}
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SILAnalysis *swift::createLoopInfoAnalysis(SILModule *M, SILPassManager *PM) {
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return new SILLoopAnalysis(M, PM);
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}
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