Some fixes to get MachineDomTree working better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineDominators.cpp b/lib/CodeGen/MachineDominators.cpp
new file mode 100644
index 0000000..0a8a81b
--- /dev/null
+++ b/lib/CodeGen/MachineDominators.cpp
@@ -0,0 +1,24 @@
+//===- MachineDominators.cpp - Machine Dominator Calculation --------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements simple dominator construction algorithms for finding
+// forward dominators on machine functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineDominators.h"
+
+using namespace llvm;
+
+TEMPLATE_INSTANTIATION(class DomTreeNodeBase<MachineBasicBlock>);
+TEMPLATE_INSTANTIATION(class DominatorTreeBase<MachineBasicBlock>);
+
+char MachineDominatorTree::ID = 0;
+static RegisterPass<MachineDominatorTree>
+E("machinedomtree", "MachineDominator Tree Construction", true);
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