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paddlepaddle--paddle/test/cinn/test_ir.py
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2026-07-13 12:40:42 +08:00

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Python

#!/usr/bin/env python3
# Copyright (c) 2021 CINN Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from paddle.cinn.ir import Expr, Var
from paddle.cinn.optim import simplify
class TestIR(unittest.TestCase):
def test_pod(self):
one = Expr(1)
self.assertEqual(str(simplify(one + one)), "2")
self.assertEqual(str(simplify(one * Expr(0))), "0")
def test_expr(self):
a = Var("A")
b = Var("B")
expr = 1 + b
print(expr)
expr = b + 1
print(expr)
self.assertEqual(str(simplify(b * 0)), "0")
print(expr)
print(simplify(expr))
if __name__ == "__main__":
unittest.main()