[PATCH] Add MachineOperand::ChangeToFPImmediate

[hfinkel at anl.gov]

LGTM

================
Comment at: include/llvm/CodeGen/MachineOperand.h:554
@@ +553,3 @@
+  /// the specified value.  If an operand is known to be an immediate already,
+  /// the setImm method should be used.
+  void ChangeToFPImmediate(const ConstantFP *FPImm);
----------------
Should say setFPImm

http://reviews.llvm.org/D5513