X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineDominators.cpp;h=df60cf34b610eb471fc31c8dea50b761612874f1;hb=12af22e8cc217827cf4f118b0f5e4ebbda9925ae;hp=b90607aae23854bc47cb638376581f6b75c7c121;hpb=ce665bd2e2b581ab0858d1afe359192bac96b868;p=oota-llvm.git

diff --git a/lib/CodeGen/MachineDominators.cpp b/lib/CodeGen/MachineDominators.cpp
index b90607aae23..df60cf34b61 100644
--- a/lib/CodeGen/MachineDominators.cpp
+++ b/lib/CodeGen/MachineDominators.cpp
@@ -35,6 +35,8 @@ void MachineDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
 }
 
 bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
+  CriticalEdgesToSplit.clear();
+  NewBBs.clear();
   DT->recalculate(F);
 
   return false;
@@ -42,6 +44,7 @@ bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
 
 MachineDominatorTree::MachineDominatorTree()
     : MachineFunctionPass(ID) {
+  initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry());
   DT = new DominatorTreeBase<MachineBasicBlock>(false);
 }