Update alpha to reflect recent constantfp legalize changes.  It's not clear
why all this code isn't autogenerated. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25770 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 6779b90..517ffae 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -145,6 +145,8 @@
 
   setStackPointerRegisterToSaveRestore(Alpha::R30);
 
+  setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
+  setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
   addLegalFPImmediate(+0.0); //F31
   addLegalFPImmediate(-0.0); //-F31