Some fixes to get MachineDomTree working better.

llvm-svn: 43541

1 files changed, 24 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineDominators.cpp b/llvm/lib/CodeGen/MachineDominators.cpp
new file mode 100644
index 00000000000..0a8a81b6213
--- /dev/null
+++ b/llvm/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);
\ No newline at end of file