forked from OSchip/llvm-project
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//===- PostDominators.cpp - Post-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 the post-dominator construction algorithms.
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "postdomtree"
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#include "llvm/Analysis/PostDominators.h"
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#include "llvm/Instructions.h"
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#include "llvm/Support/CFG.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/ADT/DepthFirstIterator.h"
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#include "llvm/ADT/SetOperations.h"
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#include "llvm/Assembly/Writer.h"
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#include "llvm/Analysis/DominatorInternals.h"
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using namespace llvm;
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//===----------------------------------------------------------------------===//
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// PostDominatorTree Implementation
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//===----------------------------------------------------------------------===//
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char PostDominatorTree::ID = 0;
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INITIALIZE_PASS(PostDominatorTree, "postdomtree",
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"Post-Dominator Tree Construction", true, true)
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bool PostDominatorTree::runOnFunction(Function &F) {
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DT->recalculate(F);
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return false;
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}
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PostDominatorTree::~PostDominatorTree() {
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delete DT;
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}
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void PostDominatorTree::print(raw_ostream &OS, const Module *) const {
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DT->print(OS);
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}
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FunctionPass* llvm::createPostDomTree() {
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return new PostDominatorTree();
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}
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