src/share/vm/opto/connode.cpp

@@ -542,24 +542,10 @@
   }
 }
 #endif
 
 //=============================================================================
-
-//------------------------------Ideal_DU_postCCP-------------------------------
-// If not converting int->oop, throw away cast after constant propagation
-Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) {
-  const Type *t = ccp->type(in(1));
-  if (!t->isa_oop_ptr() || ((in(1)->is_DecodeN()) && Matcher::gen_narrow_oop_implicit_null_checks())) {
-    return NULL; // do not transform raw pointers or narrow oops
-  }
-  return ConstraintCastNode::Ideal_DU_postCCP(ccp);
-}
-
-
-
-//=============================================================================
 //------------------------------Identity---------------------------------------
 // If input is already higher or equal to cast type, then this is an identity.
 Node *CheckCastPPNode::Identity( PhaseTransform *phase ) {
   // Toned down to rescue meeting at a Phi 3 different oops all implementing
   // the same interface.  CompileTheWorld starting at 502, kd12rc1.zip.

@@ -689,14 +675,10 @@
   assert(t->isa_oop_ptr(), "only oopptr here");
   return t->make_narrowoop();
 }
 
 
-Node *EncodeNarrowPtrNode::Ideal_DU_postCCP( PhaseCCP *ccp ) {
-  return MemNode::Ideal_common_DU_postCCP(ccp, this, in(1));
-}
-
 Node* DecodeNKlassNode::Identity(PhaseTransform* phase) {
   const Type *t = phase->type( in(1) );
   if( t == Type::TOP ) return in(1);
 
   if (in(1)->is_EncodePKlass()) {