src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/cfg/AbstractControlFlowGraph.java
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1 /* |
1 /* |
2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
44 Collection<Loop<T>> getLoops(); |
44 Collection<Loop<T>> getLoops(); |
45 |
45 |
46 T getStartBlock(); |
46 T getStartBlock(); |
47 |
47 |
48 /** |
48 /** |
49 * True if block {@code a} is dominated by block {@code b}. |
49 * True if block {@code a} is dominated by block {@code b} or {@code a} is equal to {@code b}. |
50 */ |
50 */ |
51 static boolean isDominatedBy(AbstractBlockBase<?> a, AbstractBlockBase<?> b) { |
51 static boolean isDominatedBy(AbstractBlockBase<?> a, AbstractBlockBase<?> b) { |
52 int domNumberA = a.getDominatorNumber(); |
52 int domNumberA = a.getDominatorNumber(); |
53 int domNumberB = b.getDominatorNumber(); |
53 int domNumberB = b.getDominatorNumber(); |
54 return domNumberA >= domNumberB && domNumberA <= b.getMaxChildDominatorNumber(); |
54 return domNumberA >= domNumberB && domNumberA <= b.getMaxChildDominatorNumber(); |