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