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/* Selftest support for RTL.
Copyright (C) 2016-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "selftest.h"
#include "backend.h"
#include "target.h"
#include "rtl.h"
#include "read-rtl-function.h"
#include "read-md.h"
#include "tree-core.h"
#include "memmodel.h"
#include "emit-rtl.h"
#include "selftest-rtl.h"
#if CHECKING_P
namespace selftest {
/* Compare rtx EXPECTED and ACTUAL using rtx_equal_p, calling
::selftest::pass if they are equal, aborting if they are non-equal.
LOC is the effective location of the assertion, MSG describes it. */
void
assert_rtx_eq_at (const location &loc, const char *msg,
rtx expected, rtx actual)
{
if (rtx_equal_p (expected, actual))
::selftest::pass (loc, msg);
else
{
fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
loc.m_function, msg);
fprintf (stderr, " expected: ");
print_rtl (stderr, expected);
fprintf (stderr, "\n actual: ");
print_rtl (stderr, actual);
fprintf (stderr, "\n");
abort ();
}
}
/* Compare rtx EXPECTED and ACTUAL by pointer equality, calling
::selftest::pass if they are equal, aborting if they are non-equal.
LOC is the effective location of the assertion, MSG describes it. */
void
assert_rtx_ptr_eq_at (const location &loc, const char *msg,
rtx expected, rtx actual)
{
if (expected == actual)
::selftest::pass (loc, msg);
else
{
fprintf (stderr, "%s:%i: %s: FAIL: %s\n", loc.m_file, loc.m_line,
loc.m_function, msg);
fprintf (stderr, " expected (at %p): ", (void *)expected);
print_rtl (stderr, expected);
fprintf (stderr, "\n actual (at %p): ", (void *)actual);
print_rtl (stderr, actual);
fprintf (stderr, "\n");
abort ();
}
}
/* Constructor for selftest::rtl_dump_test.
Read a dumped RTL function from PATH.
Takes ownership of PATH, freeing in dtor.
Use LOC as the effective location when reporting failures. */
rtl_dump_test::rtl_dump_test (const location &loc, char *path)
: m_path (path)
{
bool read_ok = read_rtl_function_body (path);
ASSERT_TRUE_AT (loc, read_ok);
}
/* Destructor for selftest::rtl_dump_test.
Cleanup global state relating to the function, and free the path. */
selftest::rtl_dump_test::~rtl_dump_test ()
{
/* Cleanups. */
current_function_decl = NULL;
free_after_compilation (cfun);
set_cfun (NULL);
free (m_path);
}
/* Get the insn with the given uid, or NULL if not found. */
rtx_insn *
get_insn_by_uid (int uid)
{
for (rtx_insn *insn = get_insns (); insn; insn = NEXT_INSN (insn))
if (INSN_UID (insn) == uid)
return insn;
/* Not found. */
return NULL;
}
} // namespace selftest
#endif /* #if CHECKING_P */