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.phases.common.inlining.policy;
  24 
  25 import static org.graalvm.compiler.core.common.GraalOptions.InlineEverything;
  26 import static org.graalvm.compiler.core.common.GraalOptions.LimitInlinedInvokes;
  27 import static org.graalvm.compiler.core.common.GraalOptions.MaximumDesiredSize;
  28 import static org.graalvm.compiler.core.common.GraalOptions.MaximumInliningSize;
  29 import static org.graalvm.compiler.core.common.GraalOptions.SmallCompiledLowLevelGraphSize;
  30 import static org.graalvm.compiler.core.common.GraalOptions.TrivialInliningSize;
  31 
  32 import java.util.Map;
  33 
  34 import org.graalvm.compiler.debug.Debug;
  35 import org.graalvm.compiler.debug.DebugCounter;
  36 import org.graalvm.compiler.nodes.Invoke;
  37 import org.graalvm.compiler.nodes.StructuredGraph;
  38 import org.graalvm.compiler.nodes.spi.Replacements;
  39 import org.graalvm.compiler.options.OptionValues;
  40 import org.graalvm.compiler.phases.common.inlining.InliningUtil;
  41 import org.graalvm.compiler.phases.common.inlining.info.InlineInfo;
  42 import org.graalvm.compiler.phases.common.inlining.walker.MethodInvocation;
  43 
  44 public class GreedyInliningPolicy extends AbstractInliningPolicy {
  45 
  46     private static final DebugCounter inliningStoppedByMaxDesiredSizeCounter = Debug.counter("InliningStoppedByMaxDesiredSize");
  47 
  48     public GreedyInliningPolicy(Map<Invoke, Double> hints) {
  49         super(hints);
  50     }
  51 
  52     @Override
  53     public boolean continueInlining(StructuredGraph currentGraph) {
  54         if (InliningUtil.getNodeCount(currentGraph) >= MaximumDesiredSize.getValue(currentGraph.getOptions())) {
  55             InliningUtil.logInliningDecision("inlining is cut off by MaximumDesiredSize");
  56             inliningStoppedByMaxDesiredSizeCounter.increment();

  57             return false;
  58         }
  59         return true;
  60     }
  61 
  62     @Override
  63     public boolean isWorthInlining(Replacements replacements, MethodInvocation invocation, int inliningDepth, boolean fullyProcessed) {
  64 
  65         final InlineInfo info = invocation.callee();
  66         OptionValues options = info.graph().getOptions();
  67         final double probability = invocation.probability();
  68         final double relevance = invocation.relevance();
  69 
  70         if (InlineEverything.getValue(options)) {
  71             InliningUtil.logInlinedMethod(info, inliningDepth, fullyProcessed, "inline everything");
  72             return true;
  73         }
  74 
  75         if (isIntrinsic(replacements, info)) {
  76             InliningUtil.logInlinedMethod(info, inliningDepth, fullyProcessed, "intrinsic");

  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.phases.common.inlining.policy;
  24 
  25 import static org.graalvm.compiler.core.common.GraalOptions.InlineEverything;
  26 import static org.graalvm.compiler.core.common.GraalOptions.LimitInlinedInvokes;
  27 import static org.graalvm.compiler.core.common.GraalOptions.MaximumDesiredSize;
  28 import static org.graalvm.compiler.core.common.GraalOptions.MaximumInliningSize;
  29 import static org.graalvm.compiler.core.common.GraalOptions.SmallCompiledLowLevelGraphSize;
  30 import static org.graalvm.compiler.core.common.GraalOptions.TrivialInliningSize;
  31 
  32 import java.util.Map;
  33 
  34 import org.graalvm.compiler.debug.CounterKey;
  35 import org.graalvm.compiler.debug.DebugContext;
  36 import org.graalvm.compiler.nodes.Invoke;
  37 import org.graalvm.compiler.nodes.StructuredGraph;
  38 import org.graalvm.compiler.nodes.spi.Replacements;
  39 import org.graalvm.compiler.options.OptionValues;
  40 import org.graalvm.compiler.phases.common.inlining.InliningUtil;
  41 import org.graalvm.compiler.phases.common.inlining.info.InlineInfo;
  42 import org.graalvm.compiler.phases.common.inlining.walker.MethodInvocation;
  43 
  44 public class GreedyInliningPolicy extends AbstractInliningPolicy {
  45 
  46     private static final CounterKey inliningStoppedByMaxDesiredSizeCounter = DebugContext.counter("InliningStoppedByMaxDesiredSize");
  47 
  48     public GreedyInliningPolicy(Map<Invoke, Double> hints) {
  49         super(hints);
  50     }
  51 
  52     @Override
  53     public boolean continueInlining(StructuredGraph currentGraph) {
  54         if (InliningUtil.getNodeCount(currentGraph) >= MaximumDesiredSize.getValue(currentGraph.getOptions())) {
  55             DebugContext debug = currentGraph.getDebug();
  56             InliningUtil.logInliningDecision(debug, "inlining is cut off by MaximumDesiredSize");
  57             inliningStoppedByMaxDesiredSizeCounter.increment(debug);
  58             return false;
  59         }
  60         return true;
  61     }
  62 
  63     @Override
  64     public boolean isWorthInlining(Replacements replacements, MethodInvocation invocation, int inliningDepth, boolean fullyProcessed) {
  65 
  66         final InlineInfo info = invocation.callee();
  67         OptionValues options = info.graph().getOptions();
  68         final double probability = invocation.probability();
  69         final double relevance = invocation.relevance();
  70 
  71         if (InlineEverything.getValue(options)) {
  72             InliningUtil.logInlinedMethod(info, inliningDepth, fullyProcessed, "inline everything");
  73             return true;
  74         }
  75 
  76         if (isIntrinsic(replacements, info)) {
  77             InliningUtil.logInlinedMethod(info, inliningDepth, fullyProcessed, "intrinsic");