freebsd-nq/contrib/llvm/lib/Analysis/PostDominators.cpp
Dimitry Andric 91bc56ed82 Merge llvm 3.5.0 release from ^/vendor/llvm/dist, resolve conflicts, and
preserve our customizations, where necessary.
2014-11-24 17:02:24 +00:00

51 lines
1.5 KiB
C++

//===- PostDominators.cpp - Post-Dominator Calculation --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the post-dominator construction algorithms.
//
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/PostDominators.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SetOperations.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/GenericDomTreeConstruction.h"
using namespace llvm;
#define DEBUG_TYPE "postdomtree"
//===----------------------------------------------------------------------===//
// PostDominatorTree Implementation
//===----------------------------------------------------------------------===//
char PostDominatorTree::ID = 0;
INITIALIZE_PASS(PostDominatorTree, "postdomtree",
"Post-Dominator Tree Construction", true, true)
bool PostDominatorTree::runOnFunction(Function &F) {
DT->recalculate(F);
return false;
}
PostDominatorTree::~PostDominatorTree() {
delete DT;
}
void PostDominatorTree::print(raw_ostream &OS, const Module *) const {
DT->print(OS);
}
FunctionPass* llvm::createPostDomTree() {
return new PostDominatorTree();
}