9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.loop;
  24 
  25 import java.util.List;
  26 
  27 import org.graalvm.compiler.nodes.ControlSplitNode;
  28 import org.graalvm.compiler.nodes.cfg.ControlFlowGraph;

  29 import jdk.vm.ci.meta.MetaAccessProvider;
  30 
  31 public interface LoopPolicies {
  32     boolean shouldPeel(LoopEx loop, ControlFlowGraph cfg, MetaAccessProvider metaAccess);
  33 
  34     boolean shouldFullUnroll(LoopEx loop);
  35 


  36     boolean shouldTryUnswitch(LoopEx loop);
  37 
  38     boolean shouldUnswitch(LoopEx loop, List<ControlSplitNode> controlSplits);
  39 }

   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.loop;
  24 
  25 import java.util.List;
  26 
  27 import org.graalvm.compiler.nodes.ControlSplitNode;
  28 import org.graalvm.compiler.nodes.cfg.ControlFlowGraph;
  29 
  30 import jdk.vm.ci.meta.MetaAccessProvider;
  31 
  32 public interface LoopPolicies {
  33     boolean shouldPeel(LoopEx loop, ControlFlowGraph cfg, MetaAccessProvider metaAccess);
  34 
  35     boolean shouldFullUnroll(LoopEx loop);
  36 
  37     boolean shouldPartiallyUnroll(LoopEx loop);
  38 
  39     boolean shouldTryUnswitch(LoopEx loop);
  40 
  41     boolean shouldUnswitch(LoopEx loop, List<ControlSplitNode> controlSplits);
  42 }