1 /*
   2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   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 
  24 
  25 package org.graalvm.compiler.phases.common.inlining.policy;
  26 
  27 import org.graalvm.compiler.core.common.GraalOptions;
  28 import org.graalvm.compiler.nodes.CallTargetNode;
  29 import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
  30 import org.graalvm.compiler.nodes.spi.Replacements;
  31 import org.graalvm.compiler.phases.common.inlining.info.InlineInfo;
  32 import org.graalvm.compiler.phases.common.inlining.walker.MethodInvocation;
  33 
  34 import jdk.vm.ci.meta.ResolvedJavaMethod;
  35 
  36 /**
  37  * Inline every method which would be replaced by a substitution. Useful for testing purposes.
  38  */
  39 public final class InlineMethodSubstitutionsPolicy extends InlineEverythingPolicy {
  40 
  41     @Override
  42     public Decision isWorthInlining(Replacements replacements, MethodInvocation invocation, InlineInfo calleeInfo, int inliningDepth, boolean fullyProcessed) {
  43         final boolean isTracing = GraalOptions.TraceInlining.getValue(calleeInfo.graph().getOptions());
  44         CallTargetNode callTarget = invocation.callee().invoke().callTarget();
  45         if (callTarget instanceof MethodCallTargetNode) {
  46             ResolvedJavaMethod calleeMethod = callTarget.targetMethod();
  47             if (replacements.hasSubstitution(calleeMethod, invocation.callee().invoke().bci())) {
  48                 return Decision.YES.withReason(isTracing, "has a method subtitution");
  49             }
  50         }
  51         return Decision.NO.withReason(isTracing, "does not have a method substitution");
  52     }
  53 }