Change target-specific classes to use more precise static types.
This eliminates the need for several awkward casts, including
the last dynamic_cast under lib/Target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcInstrInfo.h b/lib/Target/Sparc/SparcInstrInfo.h
index e9ce790..309b268 100644
--- a/lib/Target/Sparc/SparcInstrInfo.h
+++ b/lib/Target/Sparc/SparcInstrInfo.h
@@ -41,7 +41,7 @@
   /// such, whenever a client has an instance of instruction info, it should
   /// always be able to get register info as well (through this method).
   ///
-  virtual const TargetRegisterInfo &getRegisterInfo() const { return RI; }
+  virtual const SparcRegisterInfo &getRegisterInfo() const { return RI; }
 
   /// Return true if the instruction is a register to register move and
   /// leave the source and dest operands in the passed parameters.