| # Copyright 2021 The TensorFlow 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. |
| # ============================================================================== |
| """Tests for compilation that involves constant arguments.""" |
| |
| from tensorflow.compiler.tests import xla_test |
| from tensorflow.compiler.tf2xla.python import xla |
| from tensorflow.python.framework import dtypes |
| from tensorflow.python.ops import array_ops |
| from tensorflow.python.platform import googletest |
| |
| |
| class ConstArgTest(xla_test.XLATestCase): |
| # Pass constant value to XlaDynamicSlice's size parameter that must be found |
| # by xla::ValueInference. Most often, constants are passed to op kernels |
| # using XlaExpression with kind kConstant. To require value inference, this |
| # model obfuscates the constant using operations `>=` and `where_v2`. |
| |
| def testValueInference(self): |
| with self.session() as session: |
| with self.test_scope(): |
| a = array_ops.placeholder(dtypes.int32, [], name="a") |
| size = array_ops.reshape(array_ops.where_v2(a >= 0, 1, 0), [1]) |
| output = xla.dynamic_slice([11, 12, 13], [0], size) |
| result = session.run(output, {a: 1}) |
| expected = [11] |
| self.assertEqual(result, expected) |
| |
| |
| if __name__ == "__main__": |
| googletest.main() |