src/hotspot/share/opto/ifnode.cpp

@@ -1218,42 +1218,33 @@
   Node* bol = in(1);
   if (!bol->is_Bool() || bol->as_Bool()->_test._test != BoolTest::ne) {
     return false;
   }
   Node* cmp = bol->in(1);
-  if (cmp->Opcode() != Op_CmpI) {
+  if (cmp->Opcode() != Op_CmpI && cmp->Opcode() != Op_CmpL) {
     return false;
   }
   Node* cmp_in1 = cmp->in(1);
   Node* cmp_in2 = cmp->in(2);
-  if ((unsigned int)cmp_in2->find_int_con(0) != Klass::_lh_array_tag_vt_value) {
-    return false;
-  }
-  if (cmp_in1->Opcode() != Op_RShiftI) {
-    return false;
-  }
-  Node* shift_in1 = cmp_in1->in(1);
-  Node* shift_in2 = cmp_in1->in(2);
-  if ((unsigned int)shift_in2->find_int_con(0) != Klass::_lh_array_tag_shift) {
-    return false;
-  }
-  if (shift_in1->Opcode() != Op_LoadI) {
+  
+  if (cmp_in1->Opcode() != Op_GetFlattenedProperty) {
     return false;
   }
-  intptr_t offset;
-  Node* ptr = shift_in1->in(MemNode::Address);
-  Node* addr = AddPNode::Ideal_base_and_offset(ptr, phase, offset);
-  if (addr == NULL || offset != in_bytes(Klass::layout_helper_offset())) {
-    return false;
+
+  jlong in2 = -1;
+  if (cmp->Opcode() == Op_CmpI) {
+    in2 = cmp_in2->find_int_con(-1);
+  } else {
+    in2 = cmp_in2->find_long_con(-1);
   }
-  if (!phase->type(addr)->isa_klassptr()) {
+  
+  if (in2 != 0) {
     return false;
   }
-  Node* klass_load = ptr->as_AddP()->in(AddPNode::Base)->uncast();
-  if (klass_load->is_DecodeNKlass()) {
-    klass_load = klass_load->in(1);
-  }
+
+  Node* klass_load = cmp_in1->in(1);
+
   if (klass_load->is_Load()) {
     Node* address = klass_load->in(MemNode::Address);
     array = address->as_AddP()->in(AddPNode::Base);
   }
   return true;