/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *
*/
//------------------------------Identity--------------------------------------- // Do NOT remove the opaque node until no more loop opts can happen.
Node* Opaque1Node::Identity(PhaseGVN* phase) { if (phase->C->post_loop_opts_phase()) { return in(1);
} else {
phase->C->record_for_post_loop_opts_igvn(this);
} returnthis;
}
// Do NOT remove the opaque node until no more loop opts can happen.
Node* Opaque3Node::Identity(PhaseGVN* phase) { if (phase->C->post_loop_opts_phase()) { return in(1);
} else {
phase->C->record_for_post_loop_opts_igvn(this);
} returnthis;
}
// Do not allow value-numbering
uint Opaque3Node::hash() const { return NO_HASH; } bool Opaque3Node::cmp(const Node &n) const { return (&n == this); // Always fail except on self
}
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