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1 /* RTL dead store elimination.
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2 Copyright (C) 2007 Free Software Foundation, Inc.
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3
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4 Contributed by Richard Sandiford <rsandifor@codesourcery.com>
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5 and Kenneth Zadeck <zadeck@naturalbridge.com>
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License as published by the Free
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11 Software Foundation; either version 3, or (at your option) any later
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12 version.
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13
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14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 #ifndef GCC_DSE_H
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24 #define GCC_DSE_H
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25
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26 struct df;
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27
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28 extern void dse_record_singleton_alias_set (alias_set_type, enum machine_mode);
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29 extern void dse_invalidate_singleton_alias_set (alias_set_type);
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30
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31 #endif /* GCC_DSE_H */
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32
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