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apache--tvm/python/tvm/relax/transform/legalize_ops/search.py
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chore: import upstream snapshot with attribution
2026-07-13 13:36:25 +08:00

53 lines
1.9 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# pylint: disable=invalid-name
"""Default legalization function for search operators."""
from tvm import topi
from tvm.ir import Call
from ...block_builder import BlockBuilder
from ...expr import Expr
from .common import LegalizeFunc, TEFunc, _call_topi_without_attr, register_legalize
register_legalize("relax.where", _call_topi_without_attr(topi.where))
def _argmax_argmin(te_func: TEFunc) -> LegalizeFunc:
def argmax_argmin_call_te(bb: BlockBuilder, call: Call) -> Expr:
return bb.call_te(
te_func,
call.args[0],
None if call.attrs.axis is None else call.attrs.axis,
call.attrs.keepdims,
)
return argmax_argmin_call_te
register_legalize("relax.argmax", _argmax_argmin(topi.argmax))
register_legalize("relax.argmin", _argmax_argmin(topi.argmin))
@register_legalize("relax.bucketize")
def _bucketize(bb, call):
input_tensor = call.args[0]
boundaries = call.args[1]
right = call.attrs.right
out_dtype = "int32" if call.attrs.out_int32 else "int64"
return bb.call_te(topi.searchsorted, boundaries, input_tensor, right, out_dtype)