63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import tvm
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import tvm.testing
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from tvm import relax as rx
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from tvm.ir.supply import UniqueNameSupply
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def _empty_relax_func():
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return rx.Function([], rx.Tuple([]))
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def test_fresh_name_empty_string():
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"""Empty name should produce a valid variable name, not an empty string."""
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ns = UniqueNameSupply("")
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name = ns.fresh_name("", add_prefix=False)
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assert name == "v"
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name2 = ns.fresh_name("", add_prefix=False)
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assert name2 == "v_1"
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def test_fresh_name_empty_string_with_prefix():
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"""Empty name with prefix should produce a valid variable name."""
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ns = UniqueNameSupply("prefix")
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name = ns.fresh_name("", add_prefix=True)
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assert name == "prefix_v"
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name2 = ns.fresh_name("", add_prefix=True)
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assert name2 == "prefix_v_1"
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def test_ir_module_from_expr_freshens_main_collision():
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main_gv = tvm.ir.GlobalVar("main")
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mod = tvm.IRModule.from_expr(_empty_relax_func(), {main_gv: _empty_relax_func()})
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assert sorted(gvar.name_hint for gvar in mod.get_global_vars()) == ["main", "main_1"]
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def test_ir_module_from_expr_reuses_existing_global_symbol():
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foo_gv = tvm.ir.GlobalVar("foo")
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func = _empty_relax_func().with_attr("global_symbol", "foo")
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mod = tvm.IRModule.from_expr(func, {foo_gv: _empty_relax_func()})
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assert mod.get_global_var("foo").same_as(foo_gv)
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assert [gvar.name_hint for gvar in mod.get_global_vars()] == ["foo"]
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if __name__ == "__main__":
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tvm.testing.main()
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