moco::ShapeGraphBuilder Class Reference

GraphBuilder for Shape node. More...

#include <Shape.h>

Collaboration diagram for moco::ShapeGraphBuilder:

Public Member Functions
bool	validate (const tensorflow::NodeDef &) const override
void	build (const tensorflow::NodeDef &, GraphBuilderContext *) const override
Public Member Functions inherited from moco::GraphBuilder
virtual	~GraphBuilder ()

Detailed Description

GraphBuilder for Shape node.

Definition at line 28 of file Shape.h.

Member Function Documentation

build()

void moco::ShapeGraphBuilder::build ( const tensorflow::NodeDef &  node, GraphBuilderContext *  context  ) const

overridevirtual

Implements moco::GraphBuilder.

Definition at line 68 of file Shape.cpp.

{
  assert(context != nullptr);
 
  loco::Graph *graph = context->graph();
  SymbolTable *tensor_names = context->tensor_names();
  UpdateQueue *updates = context->updates();
 
  // create TF dialect Shape node
  auto tf_shape = graph->nodes()->create<TFShape>();
  tf_shape->name(node.name());
 
  if (plier::tf::has_attrs(node, {"out_type"}))
  {
    auto dtype = plier::tf::as_loco_datatype(plier::tf::get_datatype_attr(node, "out_type"));
    // TODO Support other dtype like S64
    assert(dtype == loco::DataType::S32);
 
    tf_shape->dtype(dtype);
  }
  else
  {
    // Set to S32, TF-documented default value for 'out_type'
    tf_shape->dtype(loco::DataType::S32);
  }
 
  TensorName output_name(node.name(), 0);
  tensor_names->enroll(output_name, tf_shape);
 
  auto update = std::make_unique<ShapeGraphUpdate>(tf_shape, TensorName(node.input(0)));
  updates->enroll(std::move(update));
}

References plier::tf::as_loco_datatype(), moco::SymbolTable::enroll(), moco::UpdateQueue::enroll(), plier::tf::get_datatype_attr(), moco::GraphBuilderContext::graph(), plier::tf::has_attrs(), moco::TFNode::name(), moco::GraphBuilderContext::tensor_names(), moco::update(), and moco::GraphBuilderContext::updates().

validate()

bool moco::ShapeGraphBuilder::validate ( const tensorflow::NodeDef &  node ) const

overridevirtual

Implements moco::GraphBuilder.

Definition at line 60 of file Shape.cpp.

{
  if (node.input_size() != 1)
    return false;
 
  return plier::tf::has_attrs(node, {"T"});
}

References plier::tf::has_attrs().

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

• compiler/moco/import/include/moco/Import/Nodes/Shape.h
• compiler/moco/import/src/Nodes/Shape.cpp