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       1                 :             : // Instruction-related utilities for RTL SSA                        -*- C++ -*-
       2                 :             : // Copyright (C) 2020-2024 Free Software Foundation, Inc.
       3                 :             : //
       4                 :             : // This file is part of GCC.
       5                 :             : //
       6                 :             : // GCC is free software; you can redistribute it and/or modify it under
       7                 :             : // the terms of the GNU General Public License as published by the Free
       8                 :             : // Software Foundation; either version 3, or (at your option) any later
       9                 :             : // version.
      10                 :             : //
      11                 :             : // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12                 :             : // WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13                 :             : // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14                 :             : // for more details.
      15                 :             : //
      16                 :             : // You should have received a copy of the GNU General Public License
      17                 :             : // along with GCC; see the file COPYING3.  If not see
      18                 :             : // <http://www.gnu.org/licenses/>.
      19                 :             : 
      20                 :             : namespace rtl_ssa {
      21                 :             : 
      22                 :             : // Return whichever of INSN1 and INSN2 occurs earlier in the function's
      23                 :             : // reverse postorder.
      24                 :             : inline insn_info *
      25                 :    80820101 : earlier_insn (insn_info *insn1, insn_info *insn2)
      26                 :             : {
      27                 :    80820101 :   return *insn1 < *insn2 ? insn1 : insn2;
      28                 :             : }
      29                 :             : 
      30                 :             : // Return whichever of INSN1 and INSN2 occurs later in the function's
      31                 :             : // reverse postorder.
      32                 :             : inline insn_info *
      33                 :   141496037 : later_insn (insn_info *insn1, insn_info *insn2)
      34                 :             : {
      35                 :   141496037 :   return *insn1 < *insn2 ? insn2 : insn1;
      36                 :             : }
      37                 :             : 
      38                 :             : // Return a closure of operator== for INSN.  See insn_is_changing for
      39                 :             : // the rationale for defining the function this way.
      40                 :             : inline insn_is_closure
      41                 :    43834124 : insn_is (const insn_info *insn)
      42                 :             : {
      43                 :    43834124 :   return insn_is_closure (insn);
      44                 :             : }
      45                 :             : 
      46                 :             : }