wehub-resource-sync
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import paddle
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from paddle import pir
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from paddle.base import core
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paddle.enable_static()
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class TestShadowOutputSlice(unittest.TestCase):
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def test_op(self):
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place = core.Place()
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place.set_place(paddle.CPUPlace())
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new_scope = paddle.static.Scope()
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main_program = paddle.static.Program()
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with (
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paddle.static.scope_guard(new_scope),
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paddle.static.program_guard(main_program),
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):
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x = paddle.ones([3, 9, 5], dtype='float32')
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y = paddle.static.data(name="y", shape=[3, 9, 5], dtype="float32")
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z = x * y # will be eliminated
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_, out, _ = paddle.split(x, num_or_sections=3, axis=1)
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paddle.base.libpaddle.pir.append_shadow_output(
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main_program,
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out,
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"out",
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len(main_program.global_block().ops),
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)
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op_names = [op.name() for op in main_program.global_block().ops]
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self.assertTrue('pd_op.multiply' in op_names)
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pm = pir.PassManager()
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pm.add_pass(
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'dead_code_elimination_pass', {}
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) # apply pass to eliminate dead code
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pm.run(main_program)
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op_names = [op.name() for op in main_program.global_block().ops]
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self.assertEqual(pm.passes(), ['dead_code_elimination_pass'])
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self.assertFalse(pm.empty())
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self.assertTrue(
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'pd_op.multiply' not in op_names
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) # multiply is eliminated because its output is not used
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if __name__ == "__main__":
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unittest.main()
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