diff --git a/llvm/include/llvm/Target/TargetSelectionDAG.td b/llvm/include/llvm/Target/TargetSelectionDAG.td
--- a/llvm/include/llvm/Target/TargetSelectionDAG.td
+++ b/llvm/include/llvm/Target/TargetSelectionDAG.td
@@ -297,10 +297,6 @@
   SDTCisInt<0>, SDTCisPtrTy<1>
 ]>;
 
-def SDTConvertOp : SDTypeProfile<1, 5, [ //cvtss, su, us, uu, ff, fs, fu, sf, su
-  SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, SDTCisPtrTy<4>, SDTCisPtrTy<5>
-]>;
-
 class SDCallSeqStart<list<SDTypeConstraint> constraints> :
         SDTypeProfile<0, 2, constraints>;
 class SDCallSeqEnd<list<SDTypeConstraint> constraints> :