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111
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1 /* Selftest support for RTL.
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145
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2 Copyright (C) 2016-2020 Free Software Foundation, Inc.
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111
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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 #include "config.h"
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21 #include "system.h"
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22 #include "coretypes.h"
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23 #include "selftest.h"
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24 #include "backend.h"
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25 #include "target.h"
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26 #include "rtl.h"
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27 #include "read-rtl-function.h"
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28 #include "read-md.h"
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29 #include "tree-core.h"
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30 #include "memmodel.h"
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31 #include "emit-rtl.h"
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32 #include "selftest-rtl.h"
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33
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34 #if CHECKING_P
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35
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36 namespace selftest {
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37
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131
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38 /* Compare rtx EXPECTED and ACTUAL using rtx_equal_p, calling
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39 ::selftest::pass if they are equal, aborting if they are non-equal.
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40 LOC is the effective location of the assertion, MSG describes it. */
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41
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42 void
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43 assert_rtx_eq_at (const location &loc, const char *msg,
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44 rtx expected, rtx actual)
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45 {
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46 if (rtx_equal_p (expected, actual))
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47 ::selftest::pass (loc, msg);
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48 else
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49 {
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50 fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
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51 loc.m_function, msg);
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52 fprintf (stderr, " expected: ");
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53 print_rtl (stderr, expected);
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54 fprintf (stderr, "\n actual: ");
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55 print_rtl (stderr, actual);
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56 fprintf (stderr, "\n");
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57 abort ();
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58 }
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59 }
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60
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111
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61 /* Compare rtx EXPECTED and ACTUAL by pointer equality, calling
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62 ::selftest::pass if they are equal, aborting if they are non-equal.
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63 LOC is the effective location of the assertion, MSG describes it. */
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64
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65 void
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66 assert_rtx_ptr_eq_at (const location &loc, const char *msg,
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67 rtx expected, rtx actual)
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68 {
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69 if (expected == actual)
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70 ::selftest::pass (loc, msg);
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71 else
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72 {
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73 fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
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74 loc.m_function, msg);
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75 fprintf (stderr, " expected (at %p): ", (void *)expected);
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76 print_rtl (stderr, expected);
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77 fprintf (stderr, "\n actual (at %p): ", (void *)actual);
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78 print_rtl (stderr, actual);
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79 fprintf (stderr, "\n");
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80 abort ();
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81 }
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82 }
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83
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84 /* Constructor for selftest::rtl_dump_test.
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85 Read a dumped RTL function from PATH.
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86 Takes ownership of PATH, freeing in dtor.
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87 Use LOC as the effective location when reporting failures. */
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88
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89 rtl_dump_test::rtl_dump_test (const location &loc, char *path)
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90 : m_path (path)
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91 {
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92 bool read_ok = read_rtl_function_body (path);
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93 ASSERT_TRUE_AT (loc, read_ok);
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94 }
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95
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96 /* Destructor for selftest::rtl_dump_test.
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97 Cleanup global state relating to the function, and free the path. */
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98
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99 selftest::rtl_dump_test::~rtl_dump_test ()
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100 {
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101 /* Cleanups. */
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102 current_function_decl = NULL;
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103 free_after_compilation (cfun);
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104 set_cfun (NULL);
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105 free (m_path);
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106 }
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107
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108 /* Get the insn with the given uid, or NULL if not found. */
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109
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110 rtx_insn *
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111 get_insn_by_uid (int uid)
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112 {
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113 for (rtx_insn *insn = get_insns (); insn; insn = NEXT_INSN (insn))
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114 if (INSN_UID (insn) == uid)
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115 return insn;
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116
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117 /* Not found. */
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118 return NULL;
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119 }
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120
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121 } // namespace selftest
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122
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123 #endif /* #if CHECKING_P */
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