mirror of
https://github.com/gcc-mirror/gcc.git
synced 2024-11-21 13:40:47 +00:00
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/* Unit tests for GIMPLE range related routines.
|
|
Copyright (C) 2021-2024 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/>. */
|
|
|
|
#if CHECKING_P
|
|
|
|
#include "selftest.h"
|
|
|
|
namespace selftest {
|
|
|
|
// Test ranges of tree expressions.
|
|
class test_expr_eval : public gimple_ranger
|
|
{
|
|
public:
|
|
test_expr_eval ()
|
|
{
|
|
type = integer_type_node;
|
|
op0 = make_ssa_name (type);
|
|
op1 = make_ssa_name (type);
|
|
|
|
// [5,10] + [15,20] => [20, 30]
|
|
tree expr = fold_build2 (PLUS_EXPR, type, op0, op1);
|
|
int_range<1> expect (type,
|
|
wi::shwi (20, TYPE_PRECISION (type)),
|
|
wi::shwi (30, TYPE_PRECISION (type)));
|
|
int_range_max r;
|
|
|
|
ASSERT_TRUE (range_of_expr (r, expr));
|
|
ASSERT_TRUE (r == expect);
|
|
}
|
|
|
|
virtual bool range_of_expr (vrange &v, tree expr, gimple * = NULL) override
|
|
{
|
|
irange &r = as_a <irange> (v);
|
|
unsigned prec = TYPE_PRECISION (type);
|
|
if (expr == op0)
|
|
{
|
|
r.set (type, wi::shwi (5, prec), wi::shwi (10, prec));
|
|
return true;
|
|
}
|
|
if (expr == op1)
|
|
{
|
|
r.set (type, wi::shwi (15, prec), wi::shwi (20, prec));
|
|
return true;
|
|
}
|
|
return gimple_ranger::range_of_expr (r, expr);
|
|
}
|
|
|
|
private:
|
|
tree op0, op1, type;
|
|
};
|
|
|
|
void
|
|
gimple_range_tests ()
|
|
{
|
|
test_expr_eval e;
|
|
}
|
|
|
|
} // namespace selftest
|
|
|
|
#endif // CHECKING_P
|