73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/* Unit tests for GIMPLE range related routines.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#if CHECKING_P
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#include "selftest.h"
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namespace selftest {
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// Test ranges of tree expressions.
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class test_expr_eval : public gimple_ranger
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{
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public:
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test_expr_eval ()
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{
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type = integer_type_node;
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op0 = make_ssa_name (type);
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op1 = make_ssa_name (type);
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// [5,10] + [15,20] => [20, 30]
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tree expr = fold_build2 (PLUS_EXPR, type, op0, op1);
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int_range<2> expect (build_int_cst (type, 20), build_int_cst (type, 30));
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int_range_max r;
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ASSERT_TRUE (range_of_expr (r, expr));
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ASSERT_TRUE (r == expect);
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}
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virtual bool range_of_expr (irange &r, tree expr, gimple * = NULL) OVERRIDE
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{
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if (expr == op0)
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{
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r.set (build_int_cst (type, 5), build_int_cst (type, 10));
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return true;
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}
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if (expr == op1)
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{
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r.set (build_int_cst (type, 15), build_int_cst (type, 20));
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return true;
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}
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return gimple_ranger::range_of_expr (r, expr);
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}
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private:
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tree op0, op1, type;
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};
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void
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gimple_range_tests ()
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{
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test_expr_eval e;
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}
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} // namespace selftest
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#endif // CHECKING_P
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