1 /* 2 * Copyright (c) 2011, 2018, 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.nodes.StructuredGraph; 28 import org.graalvm.compiler.nodes.spi.Replacements; 29 import org.graalvm.compiler.phases.common.inlining.info.InlineInfo; 30 import org.graalvm.compiler.phases.common.inlining.walker.MethodInvocation; 31 32 public interface InliningPolicy { 33 class Decision { 34 public static final Decision YES = new Decision(true, "(unknown reason)"); 35 public static final Decision NO = new Decision(false, "(unknown reason)"); 36 37 private final boolean shouldInline; 38 private final String reason; 39 40 private Decision(boolean shouldInline, String reason) { 41 this.shouldInline = shouldInline; 42 this.reason = reason; 43 } 44 45 public boolean shouldInline() { 46 return shouldInline; 47 } 48 49 public String getReason() { 50 return reason; 51 } 52 53 public Decision withReason(boolean isTracing, String newReason, Object... args) { 54 if (isTracing) { 55 return new Decision(shouldInline, String.format(newReason, args)); 56 } else { 57 return this; 58 } 59 } 60 } 61 62 boolean continueInlining(StructuredGraph graph); 63 64 Decision isWorthInlining(Replacements replacements, MethodInvocation invocation, InlineInfo calleeInfo, int inliningDepth, boolean fullyProcessed); 65 }