Move Alpha from getRegClassForInlineAsmConstraint to
getRegForInlineAsmConstraint.

Part of rdar://9643582

llvm-svn: 134088
diff --git a/llvm/lib/Target/Alpha/AlphaISelLowering.h b/llvm/lib/Target/Alpha/AlphaISelLowering.h
index d38c314..13383f4 100644
--- a/llvm/lib/Target/Alpha/AlphaISelLowering.h
+++ b/llvm/lib/Target/Alpha/AlphaISelLowering.h
@@ -94,9 +94,9 @@
     ConstraintWeight getSingleConstraintMatchWeight(
       AsmOperandInfo &info, const char *constraint) const;
 
-    std::vector<unsigned>
-      getRegClassForInlineAsmConstraint(const std::string &Constraint,
-                                        EVT VT) const;
+    std::pair<unsigned, const TargetRegisterClass*>
+    getRegForInlineAsmConstraint(const std::string &Constraint,
+				 EVT VT) const;
 
     MachineBasicBlock *
       EmitInstrWithCustomInserter(MachineInstr *MI,