Use SDTNone instead of duplicating it.

llvm-svn: 48346
diff --git a/llvm/lib/Target/Sparc/SparcInstrInfo.td b/llvm/lib/Target/Sparc/SparcInstrInfo.td
index c9fba9d..a70d141 100644
--- a/llvm/lib/Target/Sparc/SparcInstrInfo.td
+++ b/llvm/lib/Target/Sparc/SparcInstrInfo.td
@@ -127,8 +127,7 @@
 def call          : SDNode<"SPISD::CALL", SDT_SPCall,
                            [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
 
-def SDT_SPRetFlag : SDTypeProfile<0, 0, []>;
-def retflag       : SDNode<"SPISD::RET_FLAG", SDT_SPRetFlag,
+def retflag       : SDNode<"SPISD::RET_FLAG", SDTNone,
                            [SDNPHasChain, SDNPOptInFlag]>;
 
 //===----------------------------------------------------------------------===//