Mercurial > hg > CbC > CbC_llvm
diff lib/CodeGen/MachineDominanceFrontier.cpp @ 77:54457678186b LLVM3.6
LLVM 3.6
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 08 Sep 2014 22:06:00 +0900 |
parents | |
children | 60c9769439b8 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib/CodeGen/MachineDominanceFrontier.cpp Mon Sep 08 22:06:00 2014 +0900 @@ -0,0 +1,54 @@ +//===- MachineDominanceFrontier.cpp ---------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/CodeGen/MachineDominanceFrontier.h" +#include "llvm/CodeGen/MachineDominators.h" +#include "llvm/Analysis/DominanceFrontierImpl.h" +#include "llvm/CodeGen/Passes.h" + + +using namespace llvm; + +namespace llvm { +template class DominanceFrontierBase<MachineBasicBlock>; +template class ForwardDominanceFrontierBase<MachineBasicBlock>; +} + + +char MachineDominanceFrontier::ID = 0; + +INITIALIZE_PASS_BEGIN(MachineDominanceFrontier, "machine-domfrontier", + "Machine Dominance Frontier Construction", true, true) +INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree) +INITIALIZE_PASS_END(MachineDominanceFrontier, "machine-domfrontier", + "Machine Dominance Frontier Construction", true, true) + +MachineDominanceFrontier::MachineDominanceFrontier() + : MachineFunctionPass(ID), + Base() { + initializeMachineDominanceFrontierPass(*PassRegistry::getPassRegistry()); +} + +char &llvm::MachineDominanceFrontierID = MachineDominanceFrontier::ID; + +bool MachineDominanceFrontier::runOnMachineFunction(MachineFunction &) { + releaseMemory(); + Base.analyze(getAnalysis<MachineDominatorTree>().getBase()); + return false; +} + +void MachineDominanceFrontier::releaseMemory() { + Base.releaseMemory(); +} + +void MachineDominanceFrontier::getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + AU.addRequired<MachineDominatorTree>(); + MachineFunctionPass::getAnalysisUsage(AU); +}