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src/hotspot/share/opto/loopUnswitch.cpp

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -77,11 +77,11 @@
   if (phase->find_unswitching_candidate(this) == NULL) {
     return false;
   }
 
   // Too speculative if running low on nodes.
-  return phase->may_require_nodes(est_loop_clone_sz(2));
+  return phase->may_require_nodes(est_loop_clone_sz(3, _body.size()));
 }
 
 //------------------------------find_unswitching_candidate-----------------------------
 // Find candidate "if" for unswitching
 IfNode* PhaseIdealLoop::find_unswitching_candidate(const IdealLoopTree *loop) const {

@@ -114,11 +114,11 @@
 
 //------------------------------do_unswitching-----------------------------
 // Clone loop with an invariant test (that does not exit) and
 // insert a clone of the test that selects which version to
 // execute.
-void PhaseIdealLoop::do_unswitching(IdealLoopTree *loop, Node_List &old_new) {
+void PhaseIdealLoop::do_unswitching (IdealLoopTree *loop, Node_List &old_new) {
 
   // Find first invariant test that doesn't exit the loop
   LoopNode *head = loop->_head->as_Loop();
 
   IfNode* unswitch_iff = find_unswitching_candidate((const IdealLoopTree *)loop);
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