mirror of
https://github.com/blakeblackshear/frigate.git
synced 2026-02-18 17:14:26 +03:00
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
|
|
* The MIT License (MIT)
|
|
,*
|
|
* Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#include <migraphx/eliminate_convert.hpp>
|
|
#include <migraphx/module.hpp>
|
|
#include <migraphx/instruction.hpp>
|
|
#include <migraphx/make_op.hpp>
|
|
#include <migraphx/matcher.hpp>
|
|
|
|
namespace migraphx {
|
|
inline namespace MIGRAPHX_INLINE_NS {
|
|
|
|
/**
|
|
* Matches with some sequence of sequential convert instructions.
|
|
* If input to the sequence of converts has the same shape as the last convert,
|
|
* replace last convert with the input.
|
|
* If input to the sequence is not the same shape as the last convert,
|
|
* replace last convert with convert from the input to the last shape.
|
|
*/
|
|
struct find_nested_convert
|
|
{
|
|
auto matcher() const { return match::name("convert")(match::arg(0)(match::name("convert"))); }
|
|
|
|
void apply(module& m, const match::matcher_result& mr) const
|
|
{
|
|
auto matched_ins = mr.result;
|
|
auto prev_convert = matched_ins->inputs().front();
|
|
auto input = prev_convert->inputs().front();
|
|
while(input->name() == "convert")
|
|
{
|
|
input = input->inputs().front();
|
|
}
|
|
if(matched_ins->get_shape() == input->get_shape())
|
|
{
|
|
m.replace_instruction(matched_ins, input);
|
|
}
|
|
else
|
|
{
|
|
m.replace_instruction(matched_ins, matched_ins->get_operator(), input);
|
|
}
|
|
}
|
|
};
|
|
|
|
struct find_nop_converts
|
|
{
|
|
auto matcher() const { return match::name("convert")(match::same_shape(match::arg(0))); }
|
|
|
|
void apply(module& m, const match::matcher_result& mr) const
|
|
{
|
|
auto ins = mr.result;
|
|
m.replace_instruction(ins, ins->inputs().front());
|
|
}
|
|
};
|
|
|
|
void eliminate_convert::apply(module& m) const
|
|
{
|
|
match::find_matches(m, find_nested_convert{}, find_nop_converts{});
|
|
}
|
|
|
|
} // namespace MIGRAPHX_INLINE_NS
|
|
} // namespace migraphx
|