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1 : : /* Selftest support for RTL.
2 : : Copyright (C) 2016-2024 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 : : #include "config.h"
21 : : #include "system.h"
22 : : #include "coretypes.h"
23 : : #include "selftest.h"
24 : : #include "backend.h"
25 : : #include "target.h"
26 : : #include "rtl.h"
27 : : #include "read-rtl-function.h"
28 : : #include "read-md.h"
29 : : #include "tree-core.h"
30 : : #include "memmodel.h"
31 : : #include "emit-rtl.h"
32 : : #include "selftest-rtl.h"
33 : :
34 : : #if CHECKING_P
35 : :
36 : : namespace selftest {
37 : :
38 : : /* Compare rtx EXPECTED and ACTUAL using rtx_equal_p, calling
39 : : ::selftest::pass if they are equal, aborting if they are non-equal.
40 : : LOC is the effective location of the assertion, MSG describes it. */
41 : :
42 : : void
43 : 43308 : assert_rtx_eq_at (const location &loc, const char *msg,
44 : : rtx expected, rtx actual)
45 : : {
46 : 43308 : if (rtx_equal_p (expected, actual))
47 : 43308 : ::selftest::pass (loc, msg);
48 : : else
49 : : {
50 : 0 : fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
51 : 0 : loc.m_function, msg);
52 : 0 : fprintf (stderr, " expected: ");
53 : 0 : print_rtl (stderr, expected);
54 : 0 : fprintf (stderr, "\n actual: ");
55 : 0 : print_rtl (stderr, actual);
56 : 0 : fprintf (stderr, "\n");
57 : 0 : abort ();
58 : : }
59 : 43308 : }
60 : :
61 : : /* Compare rtx EXPECTED and ACTUAL by pointer equality, calling
62 : : ::selftest::pass if they are equal, aborting if they are non-equal.
63 : : LOC is the effective location of the assertion, MSG describes it. */
64 : :
65 : : void
66 : 640 : assert_rtx_ptr_eq_at (const location &loc, const char *msg,
67 : : rtx expected, rtx actual)
68 : : {
69 : 640 : if (expected == actual)
70 : 640 : ::selftest::pass (loc, msg);
71 : : else
72 : : {
73 : 0 : fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
74 : 0 : loc.m_function, msg);
75 : 0 : fprintf (stderr, " expected (at %p): ", (void *)expected);
76 : 0 : print_rtl (stderr, expected);
77 : 0 : fprintf (stderr, "\n actual (at %p): ", (void *)actual);
78 : 0 : print_rtl (stderr, actual);
79 : 0 : fprintf (stderr, "\n");
80 : 0 : abort ();
81 : : }
82 : 640 : }
83 : :
84 : : /* Constructor for selftest::rtl_dump_test.
85 : : Read a dumped RTL function from PATH.
86 : : Takes ownership of PATH, freeing in dtor.
87 : : Use LOC as the effective location when reporting failures. */
88 : :
89 : 76 : rtl_dump_test::rtl_dump_test (const location &loc, char *path)
90 : 76 : : m_path (path)
91 : : {
92 : 76 : bool read_ok = read_rtl_function_body (path);
93 : 76 : ASSERT_TRUE_AT (loc, read_ok);
94 : 76 : }
95 : :
96 : : /* Destructor for selftest::rtl_dump_test.
97 : : Cleanup global state relating to the function, and free the path. */
98 : :
99 : 76 : selftest::rtl_dump_test::~rtl_dump_test ()
100 : : {
101 : : /* Cleanups. */
102 : 76 : current_function_decl = NULL;
103 : 76 : free_after_compilation (cfun);
104 : 76 : set_cfun (NULL);
105 : 76 : free (m_path);
106 : 76 : }
107 : :
108 : : /* Get the insn with the given uid, or NULL if not found. */
109 : :
110 : : rtx_insn *
111 : 100 : get_insn_by_uid (int uid)
112 : : {
113 : 212 : for (rtx_insn *insn = get_insns (); insn; insn = NEXT_INSN (insn))
114 : 212 : if (INSN_UID (insn) == uid)
115 : : return insn;
116 : :
117 : : /* Not found. */
118 : : return NULL;
119 : : }
120 : :
121 : : } // namespace selftest
122 : :
123 : : #endif /* #if CHECKING_P */
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