moco::SqueezeGraphBuilder Class Reference

GraphBuilder for Squeeze node. More...

#include <Squeeze.h>

Collaboration diagram for moco::SqueezeGraphBuilder:

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 Squeeze node.

Definition at line 28 of file Squeeze.h.

Member Function Documentation

build()

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

overridevirtual

Implements moco::GraphBuilder.

Definition at line 80 of file Squeeze.cpp.

{
  assert(context != nullptr);
 
  loco::Graph *graph = context->graph();
  SymbolTable *tensor_names = context->tensor_names();
  UpdateQueue *updates = context->updates();
 
  // TODO support 'axis' attribute
  assert(!plier::tf::has_attrs(node, {"axis"}));
 
  std::vector<int64_t> squeeze_dims;
  if (plier::tf::has_attrs(node, {"squeeze_dims"}))
  {
    auto squeeze_dim_list = plier::tf::get_list_attr(node, {"squeeze_dims"});
    // TODO assert squeeze_dims are mutually different?
    squeeze_dims = plier::tf::as_int64_list(squeeze_dim_list);
  }
  // Note that it is possible that NodeDef does not have squeeze_dims attribute.
  // In that case, TFSqueeze also has empty squeeze_dims,
 
  // creating TF dialect Squeeze node
  auto tf_squeeze = graph->nodes()->create<TFSqueeze>();
  tf_squeeze->name(node.name());
  tf_squeeze->squeeze_dims(squeeze_dims);
 
  TensorName output_name(node.name(), 0);
  tensor_names->enroll(output_name, tf_squeeze);
 
  auto update = std::make_unique<SqueezeGraphUpdate>(tf_squeeze, TensorName(node.input(0)));
  updates->enroll(std::move(update));
}

References plier::tf::as_int64_list(), moco::SymbolTable::enroll(), moco::UpdateQueue::enroll(), plier::tf::get_list_attr(), moco::GraphBuilderContext::graph(), plier::tf::has_attrs(), moco::TFNode::name(), moco::GraphBuilderContext::tensor_names(), moco::update(), and moco::GraphBuilderContext::updates().

validate()

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

overridevirtual

Implements moco::GraphBuilder.

Definition at line 63 of file Squeeze.cpp.

{
  if (node.input_size() != 1)
    return false;
 
  if (!plier::tf::has_attrs(node, {"T"}))
    return false;
 
  if (plier::tf::has_attrs(node, {"axis"}))
  {
    // TODO support 'axis' attribute
    oops::UserExn("Squeeze: Unsupported 'axis' attribute", node.name());
  }
 
  return true;
}

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/Squeeze.h
• compiler/moco/import/src/Nodes/Squeeze.cpp