Index: llvm/trunk/utils/TableGen/CodeGenDAGPatterns.h
===================================================================
--- llvm/trunk/utils/TableGen/CodeGenDAGPatterns.h
+++ llvm/trunk/utils/TableGen/CodeGenDAGPatterns.h
@@ -673,8 +673,8 @@
   }
   void addPredicateFn(const TreePredicateFn &Fn) {
     assert(!Fn.isAlwaysTrue() && "Empty predicate string!");
-    if (!is_contained(PredicateFns, Fn))
-      PredicateFns.push_back(Fn);
+    assert(!is_contained(PredicateFns, Fn) && "predicate applied recursively");
+    PredicateFns.push_back(Fn);
   }
 
   Record *getTransformFn() const { return TransformFn; }
Index: llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp
===================================================================
--- llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp
+++ llvm/trunk/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -3037,13 +3037,6 @@
       P->error("Operands list does not contain an entry for operand '" +
                *OperandsSet.begin() + "'!");
 
-    // If there is a code init for this fragment, keep track of the fact that
-    // this fragment uses it.
-    TreePredicateFn PredFn(P);
-    if (!PredFn.isAlwaysTrue())
-      for (auto T : P->getTrees())
-        T->addPredicateFn(PredFn);
-
     // If there is a node transformation corresponding to this, keep track of
     // it.
     Record *Transform = Frag->getValueAsDef("OperandTransform");