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793b335d0e
I also thought I was fixing a performance issue by changing invalidateFunction not to /insert/ new entries into the map, but I guess those entries were present in practice. So this is just a cleanup to make ownership easier.
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===--- LoopAnalysis.cpp - SIL Loop Analysis -----------------------------===//
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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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#include "swift/SIL/Dominance.h"
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#include "swift/SILOptimizer/Analysis/DominanceAnalysis.h"
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#include "swift/SILOptimizer/Analysis/LoopAnalysis.h"
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#include "swift/SILOptimizer/PassManager/PassManager.h"
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#include "llvm/Support/Debug.h"
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using namespace swift;
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std::unique_ptr<SILLoopInfo>
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SILLoopAnalysis::newFunctionAnalysis(SILFunction *F) {
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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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return llvm::make_unique<SILLoopInfo>(F, DT);
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}
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void SILLoopAnalysis::initialize(SILPassManager *PM) {
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DA = PM->getAnalysis<DominanceAnalysis>();
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}
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SILAnalysis *swift::createLoopAnalysis(SILModule *M) {
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return new SILLoopAnalysis(M);
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}
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