From 906152a20f68a942f64a27bf31e5c5232b444e8f Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 5 Jan 2009 17:59:02 +0000
Subject: Tidy up #includes, deleting a bunch of unnecessary #includes.

llvm-svn: 61715
---
 llvm/lib/CodeGen/MachineDominators.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'llvm/lib/CodeGen/MachineDominators.cpp')

diff --git a/llvm/lib/CodeGen/MachineDominators.cpp b/llvm/lib/CodeGen/MachineDominators.cpp
index 8f67993..f782048 100644
--- a/llvm/lib/CodeGen/MachineDominators.cpp
+++ b/llvm/lib/CodeGen/MachineDominators.cpp
@@ -26,3 +26,28 @@ static RegisterPass<MachineDominatorTree>
 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(intptr_t(&ID)) {
+  DT = new DominatorTreeBase<MachineBasicBlock>(false);
+}
+
+MachineDominatorTree::~MachineDominatorTree() {
+  DT->releaseMemory();
+  delete DT;
+}
+
+void MachineDominatorTree::releaseMemory() {
+  DT->releaseMemory();
+}
-- 
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