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  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook
  • Date: 2007-02-20 10:33:44 UTC
  • mto: This revision was merged to the branch mainline in revision 16.
  • Revision ID: james.westby@ubuntu.com-20070220103344-zgcu2psnx9d98fpa
Tags: upstream-0.90
Import upstream version 0.90

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libclamav/c++/llvm/lib/CodeGen/MachineDominators.cpp
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//===- MachineDominators.cpp - Machine Dominator 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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//
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// This file implements simple dominator construction algorithms for finding
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// forward dominators on machine functions.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineDominators.h"
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#include "llvm/CodeGen/Passes.h"
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using namespace llvm;
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namespace llvm {
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TEMPLATE_INSTANTIATION(class DomTreeNodeBase<MachineBasicBlock>);
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TEMPLATE_INSTANTIATION(class DominatorTreeBase<MachineBasicBlock>);
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}
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char MachineDominatorTree::ID = 0;
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INITIALIZE_PASS(MachineDominatorTree, "machinedomtree",
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                "MachineDominator Tree Construction", true, true);
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char &llvm::MachineDominatorsID = MachineDominatorTree::ID;
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void MachineDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
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  AU.setPreservesAll();
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  MachineFunctionPass::getAnalysisUsage(AU);
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}
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bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
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  DT->recalculate(F);
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  return false;
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}
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MachineDominatorTree::MachineDominatorTree()
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    : MachineFunctionPass(ID) {
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  DT = new DominatorTreeBase<MachineBasicBlock>(false);
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}
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MachineDominatorTree::~MachineDominatorTree() {
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  delete DT;
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}
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void MachineDominatorTree::releaseMemory() {
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  DT->releaseMemory();
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}
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void MachineDominatorTree::print(raw_ostream &OS, const Module*) const {
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  DT->print(OS);
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}