moco::RemoveTFIdentityNode Struct Reference

Use the input of "TFIdentity" node instead. More...

#include <RemoveTFIdentityNode.h>

Collaboration diagram for moco::RemoveTFIdentityNode:

Public Member Functions
const char *	name (void) const final
bool	run (loco::Graph *g) final
	Run the pass.
Public Member Functions inherited from logo::Pass
virtual	~Pass ()=default

Detailed Description

Use the input of "TFIdentity" node instead.

BEFORE: [X] -> [TFIdentity] -> [Y]

AFTER: [X] -> [Y] [TFIdentity]

NOTE This transform does not remove "TFIdentity" node This transform is identical to RemoveForwardNode

Definition at line 40 of file RemoveTFIdentityNode.h.

Member Function Documentation

name()

const char * moco::RemoveTFIdentityNode::name ( void  ) const

inlinefinalvirtual

Reimplemented from logo::Pass.

Definition at line 42 of file RemoveTFIdentityNode.h.

{ return "RemoveTFIdentityNode"; }

run()

bool moco::RemoveTFIdentityNode::run ( loco::Graph *  graph )

finalvirtual

Run the pass.

Returns

false if there was nothing changed

Implements logo::Pass.

Definition at line 27 of file RemoveTFIdentityNode.cpp.

{
  struct Collector final : public moco::TFNodeMutableVisitor<void>
  {
    void visit(moco::TFIdentity *node) final
    {
      if (node->input() != nullptr)
      {
        candidates.insert(node);
      }
    }
 
    void visit(moco::TFNode *) final { return; }
 
    std::set<moco::TFIdentity *> candidates;
  };
 
  Collector collector;
 
  for (auto node : loco::all_nodes(g))
  {
    if (node->dialect() == moco::TFDialect::get())
    {
      auto tf_node = dynamic_cast<moco::TFNode *>(node);
      // NOTE our analysis tool reports an error for tf_node may be nullptr
      if (tf_node != nullptr)
        tf_node->accept(&collector);
    }
  }
 
  for (auto node : collector.candidates)
  {
    replace(node).with(node->input());
    node->input(nullptr);
  }
 
  return collector.candidates.size() > 0;
}

References moco::TFNode::accept(), loco::all_nodes(), moco::TFDialect::get(), moco::TFIdentity::input(), and loco::Subst< SubstQualifier::Default >::with().

Referenced by package.infer.session::inference().

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The documentation for this struct was generated from the following files:

• compiler/moco/pass/include/moco/Pass/Passes/RemoveTFIdentityNode.h
• compiler/moco/pass/src/Passes/RemoveTFIdentityNode.cpp