58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
//===- DominanceFrontier.cpp - Dominance Frontier Calculation -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/DominanceFrontier.h"
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#include "llvm/Analysis/DominanceFrontierImpl.h"
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using namespace llvm;
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namespace llvm {
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template class DominanceFrontierBase<BasicBlock>;
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template class ForwardDominanceFrontierBase<BasicBlock>;
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}
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char DominanceFrontier::ID = 0;
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INITIALIZE_PASS_BEGIN(DominanceFrontier, "domfrontier",
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"Dominance Frontier Construction", true, true)
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INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
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INITIALIZE_PASS_END(DominanceFrontier, "domfrontier",
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"Dominance Frontier Construction", true, true)
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DominanceFrontier::DominanceFrontier()
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: FunctionPass(ID),
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Base() {
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initializeDominanceFrontierPass(*PassRegistry::getPassRegistry());
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}
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void DominanceFrontier::releaseMemory() {
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Base.releaseMemory();
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}
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bool DominanceFrontier::runOnFunction(Function &) {
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releaseMemory();
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Base.analyze(getAnalysis<DominatorTreeWrapperPass>().getDomTree());
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return false;
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}
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void DominanceFrontier::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<DominatorTreeWrapperPass>();
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}
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void DominanceFrontier::print(raw_ostream &OS, const Module *) const {
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Base.print(OS);
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}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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void DominanceFrontier::dump() const {
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print(dbgs());
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}
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#endif
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