Make register Mips::RA allocatable if not in mips16 mode.

llvm-svn: 159971
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index a7e2aa3..ca002c0 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -3253,11 +3253,10 @@
 
   // Return on Mips is always a "jr $ra"
   if (Flag.getNode())
-    return DAG.getNode(MipsISD::Ret, dl, MVT::Other,
-                       Chain, DAG.getRegister(Mips::RA, MVT::i32), Flag);
-  else // Return Void
-    return DAG.getNode(MipsISD::Ret, dl, MVT::Other,
-                       Chain, DAG.getRegister(Mips::RA, MVT::i32));
+    return DAG.getNode(MipsISD::Ret, dl, MVT::Other, Chain, Flag);
+
+  // Return Void
+  return DAG.getNode(MipsISD::Ret, dl, MVT::Other, Chain);
 }
 
 //===----------------------------------------------------------------------===//