Clear HandleMap and ReplaceMap after instruction selection. Or it may cause
non-deterministic behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28454 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64ISelDAGToDAG.cpp b/lib/Target/IA64/IA64ISelDAGToDAG.cpp
index e6ed9f9..6ac8ad6 100644
--- a/lib/Target/IA64/IA64ISelDAGToDAG.cpp
+++ b/lib/Target/IA64/IA64ISelDAGToDAG.cpp
@@ -148,6 +148,8 @@
   // Select target instructions for the DAG.
   DAG.setRoot(SelectRoot(DAG.getRoot()));
   CodeGenMap.clear();
+  HandleMap.clear();
+  ReplaceMap.clear();
   DAG.RemoveDeadNodes();
   
   // Emit machine code to BB.