X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineDominators.cpp;h=df60cf34b610eb471fc31c8dea50b761612874f1;hb=12af22e8cc217827cf4f118b0f5e4ebbda9925ae;hp=9b53bdb8b3f316cd213ca40569e100123b4e8213;hpb=54b62f3af50ef93df05e9f7634b6e4406ab56cc5;p=oota-llvm.git

diff --git a/lib/CodeGen/MachineDominators.cpp b/lib/CodeGen/MachineDominators.cpp
index 9b53bdb8b3f..df60cf34b61 100644
--- a/lib/CodeGen/MachineDominators.cpp
+++ b/lib/CodeGen/MachineDominators.cpp
@@ -17,14 +17,45 @@
 
 using namespace llvm;
 
+namespace llvm {
 TEMPLATE_INSTANTIATION(class DomTreeNodeBase<MachineBasicBlock>);
 TEMPLATE_INSTANTIATION(class DominatorTreeBase<MachineBasicBlock>);
+}
 
 char MachineDominatorTree::ID = 0;
 
-namespace {
-  RegisterPass<MachineDominatorTree>
-  E("machinedomtree", "MachineDominator Tree Construction", true);
+INITIALIZE_PASS(MachineDominatorTree, "machinedomtree",
+                "MachineDominator Tree Construction", true, true)
+
+char &llvm::MachineDominatorsID = MachineDominatorTree::ID;
+
+void MachineDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.setPreservesAll();
+  MachineFunctionPass::getAnalysisUsage(AU);
 }
 
-const PassInfo *llvm::MachineDominatorsID = E.getPassInfo();
+bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
+  CriticalEdgesToSplit.clear();
+  NewBBs.clear();
+  DT->recalculate(F);
+
+  return false;
+}
+
+MachineDominatorTree::MachineDominatorTree()
+    : MachineFunctionPass(ID) {
+  initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
+  DT = new DominatorTreeBase<MachineBasicBlock>(false);
+}
+
+MachineDominatorTree::~MachineDominatorTree() {
+  delete DT;
+}
+
+void MachineDominatorTree::releaseMemory() {
+  DT->releaseMemory();
+}
+
+void MachineDominatorTree::print(raw_ostream &OS, const Module*) const {
+  DT->print(OS);
+}