E("machinedomtree", "MachineDominator Tree Construction", true);
const PassInfo *const llvm::MachineDominatorsID = &E;
+
+void MachineDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ MachineFunctionPass::getAnalysisUsage(AU);
+}
+
+bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
+ DT->recalculate(F);
+
+ return false;
+}
+
+MachineDominatorTree::MachineDominatorTree()
+ : MachineFunctionPass(&ID) {
+ DT = new DominatorTreeBase<MachineBasicBlock>(false);
+}
+
+MachineDominatorTree::~MachineDominatorTree() {
+ DT->releaseMemory();
+ delete DT;
+}
+
+void MachineDominatorTree::releaseMemory() {
+ DT->releaseMemory();
+}