| 1 | // Instruction-related utilities for RTL SSA -*- C++ -*- |
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| 2 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
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| 3 | // |
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| 4 | // This file is part of GCC. |
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| 5 | // |
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| 6 | // GCC is free software; you can redistribute it and/or modify it under |
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| 7 | // the terms of the GNU General Public License as published by the Free |
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| 8 | // Software Foundation; either version 3, or (at your option) any later |
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| 9 | // version. |
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| 10 | // |
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| 11 | // GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | // for more details. |
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| 15 | // |
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| 16 | // You should have received a copy of the GNU General Public License |
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| 17 | // along with GCC; see the file COPYING3. If not see |
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| 18 | // <http://www.gnu.org/licenses/>. |
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| 19 | |
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| 20 | namespace rtl_ssa { |
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| 21 | |
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| 22 | // Return whichever of INSN1 and INSN2 occurs earlier in the function's |
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| 23 | // reverse postorder. |
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| 24 | inline insn_info * |
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| 25 | earlier_insn (insn_info *insn1, insn_info *insn2) |
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| 26 | { |
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| 27 | return *insn1 < *insn2 ? insn1 : insn2; |
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| 28 | } |
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| 29 | |
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| 30 | // Return whichever of INSN1 and INSN2 occurs later in the function's |
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| 31 | // reverse postorder. |
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| 32 | inline insn_info * |
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| 33 | later_insn (insn_info *insn1, insn_info *insn2) |
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| 34 | { |
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| 35 | return *insn1 < *insn2 ? insn2 : insn1; |
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| 36 | } |
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| 37 | |
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| 38 | // Return a closure of operator== for INSN. See insn_is_changing for |
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| 39 | // the rationale for defining the function this way. |
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| 40 | inline insn_is_closure |
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| 41 | insn_is (const insn_info *insn) |
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| 42 | { |
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| 43 | return insn_is_closure (insn); |
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| 44 | } |
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| 45 | |
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| 46 | } |
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| 47 | |
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