1 /*
   2  * Copyright (c) 2020, 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 #ifndef SHARE_OPTO_VECTOR_HPP
  26 #define SHARE_OPTO_VECTOR_HPP
  27 
  28 #include "opto/node.hpp"
  29 #include "opto/phaseX.hpp"
  30 #include "opto/type.hpp"
  31 #include "opto/vectornode.hpp"
  32 
  33 class PhaseVector : public Phase {
  34  private:
  35   PhaseIterGVN& _igvn;
  36 
  37   void expand_vbox_nodes();
  38   void expand_vbox_node(VectorBoxNode* vec_box);
  39   Node* expand_vbox_node_helper(Node* vbox,
  40                                 Node* vect,
  41                                 const TypeInstPtr* box_type,
  42                                 const TypeVect* vect_type);
  43   Node* expand_vbox_alloc_node(VectorBoxAllocateNode* vbox_alloc,
  44                                Node* value,
  45                                const TypeInstPtr* box_type,
  46                                const TypeVect* vect_type);
  47   void scalarize_vbox_nodes();
  48   void scalarize_vbox_node(VectorBoxNode* vec_box);
  49   void expand_vunbox_nodes();
  50   void expand_vunbox_node(VectorUnboxNode* vec_box);
  51   void eliminate_vbox_alloc_nodes();
  52   void eliminate_vbox_alloc_node(VectorBoxAllocateNode* vbox_alloc);
  53   void do_cleanup();
  54   void expand_vector_boxes();
  55   void scalarize_vector_boxes();
  56 
  57  public:
  58   PhaseVector(PhaseIterGVN& igvn) : Phase(Vector), _igvn(igvn) {}
  59   void optimize_vector_boxes();
  60 };
  61 
  62 #endif // SHARE_OPTO_VECTOR_HPP