Add an ISD::FPOW node type.

llvm-svn: 42879
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2ac30f6..3e798bc 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3602,6 +3602,7 @@
   case ISD::FSIN:   return "fsin";
   case ISD::FCOS:   return "fcos";
   case ISD::FPOWI:  return "fpowi";
+  case ISD::FPOW:   return "fpow";
 
   // Binary operators
   case ISD::ADD:    return "add";