Konstantinos Karanasos 512cfdd9fe Generalize node removal (#743) ... Generalize node removal method in graph_utils. This is a higher-level method that keeps the graph consistent so that no Resolve is needed after the removal of a node. The new method supports the removal of nodes with a single input (be it an incoming node or an initializer) and a single output (but allowing multiple output edges of that output). It also takes into account the case that one of the output edges is fed to a subgraph. Also updated the rewrite rules to use this new, less restrictive method, and improved the rules' conditions. Introduced a GraphEdge struct to simplify various methods in graph_utils.		2019-04-03 22:34:20 -07:00
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onnxruntime/core	Generalize node removal (#743)	2019-04-03 22:34:20 -07:00