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6343b0db47
* Add notes for tensors * Optimize some apis * move some warnings * Support build with Paddle2ONNX * Add protobuf support * Fix compile on mac * add clearn package script * Add paddle2onnx code * remove submodule * Add onnx ocde * remove softlink * add onnx code * fix error * Add cmake file * fix patchelf * update paddle2onnx * Delete .gitmodules --------- Co-authored-by: PaddleCI <paddle_ci@example.com> Co-authored-by: pangyoki <pangyoki@126.com> Co-authored-by: jiangjiajun <jiangjiajun@baidu.lcom>
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/*
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* SPDX-License-Identifier: Apache-2.0
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*/
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// ATTENTION: The code in this file is highly EXPERIMENTAL.
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// Adventurous users should note that the APIs will probably change.
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#pragma once
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#include "onnxoptimizer/pass.h"
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namespace ONNX_NAMESPACE {
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namespace optimization {
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struct EliminateDeadEnd final : public FullGraphBasedPass {
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explicit EliminateDeadEnd()
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: FullGraphBasedPass(PassType::Nop, PassEfficiency::Complete,
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PassOptimizationType::Compute) {}
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std::string getPassName() const override {
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return "eliminate_deadend";
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}
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PassAnalysisType getPassAnalysisType() const override {
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return PassAnalysisType::CountBased;
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}
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unsigned int EliminateDead(Graph& graph) {
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unsigned int nodes_removed = 0;
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auto nodes = graph.nodes().reverse();
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for (auto it = nodes.begin(); it != nodes.end(); it++) {
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auto node = *it;
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if (!node->hasUses()) {
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nodes_removed++;
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it.destroyCurrent();
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}
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}
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return nodes_removed;
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}
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std::shared_ptr<PostPassAnalysis> runPass(Graph& graph) override {
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auto nodes_removed = this->EliminateDead(graph);
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return std::shared_ptr<PostPassAnalysis>(
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new CountBasedPassAnalysis(this, nodes_removed, false, false));
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}
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};
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} // namespace optimization
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} // namespace ONNX_NAMESPACE
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