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/*
* Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "luci/Pass/SubstituteTransposeToReshapePass.h"
#include <luci/IR/CircleNodes.h>
#include <gtest/gtest.h>
namespace
{
class SubstituteTransposeToReshapeTest : public ::testing::Test
{
public:
SubstituteTransposeToReshapeTest() {}
void buildGraph(const std::initializer_list<uint32_t> shape, const std::vector<int32_t> perm)
{
// Input Create.
input = g.nodes()->create<luci::CircleInput>();
auto graph_input = g.inputs()->create();
input->index(graph_input->index());
input->shape_status(luci::ShapeStatus::VALID);
input->rank(shape.size());
input->shape(shape);
input->name("input");
// Permutation Create.
auto perm_const = g.nodes()->create<luci::CircleConst>();
perm_const->dtype(loco::DataType::S32);
perm_const->size<loco::DataType::S32>(perm.size());
perm_const->shape_status(luci::ShapeStatus::VALID);
perm_const->rank(1);
perm_const->dim(0).set(perm.size());
for (uint32_t i = 0; i < static_cast<uint32_t>(perm.size()); i++)
{
perm_const->at<loco::DataType::S32>(i) = perm.at(i);
}
perm_const->name("perm_const");
// Transpose Create.
auto transpose_node = g.nodes()->create<luci::CircleTranspose>();
transpose_node->a(input);
transpose_node->perm(perm_const);
transpose_node->name("transpose_node");
// Output Connect.
output = g.nodes()->create<luci::CircleOutput>();
output->from(transpose_node);
auto graph_output = g.outputs()->create();
output->index(graph_output->index());
output->name("output");
}
public:
loco::Graph g;
luci::CircleInput *input = nullptr;
luci::CircleOutput *output = nullptr;
};
} // namespace
TEST(SubstituteTransposeToReshapePassTest, name)
{
luci::SubstituteTransposeToReshapePass pass;
auto const name = pass.name();
ASSERT_NE(nullptr, name);
}
TEST_F(SubstituteTransposeToReshapeTest, simple_case)
{
// Create graph that tranpose input {126, 201, 1, 1} with permutation {2, 0, 3, 1}
buildGraph({126, 201, 1, 1}, std::vector<int32_t>({2, 0, 3, 1}));
// With this input shape and permutation values, output shape will be [1, 126, 1, 201].
// The order of non-one values is unchanged (126, 201).
// So this Transpose op can be converted to Reshape op.
luci::SubstituteTransposeToReshapePass pass;
while (pass.run(&g))
;
auto reshape_node = dynamic_cast<luci::CircleReshape *>(output->from());
auto transpose_node = dynamic_cast<luci::CircleTranspose *>(output->from());
ASSERT_NE(nullptr, reshape_node);
ASSERT_EQ(nullptr, transpose_node);
auto new_shape = loco::must_cast<luci::CircleConst *>(reshape_node->shape());
ASSERT_EQ(1, new_shape->at<loco::DataType::S32>(0));
ASSERT_EQ(126, new_shape->at<loco::DataType::S32>(1));
ASSERT_EQ(1, new_shape->at<loco::DataType::S32>(2));
ASSERT_EQ(201, new_shape->at<loco::DataType::S32>(3));
}
TEST_F(SubstituteTransposeToReshapeTest, failed_to_substitute_NEG)
{
// Create graph that tranpose input {126, 201, 1, 1} with permutation {2, 1, 3, 0}
buildGraph({126, 201, 1, 1}, std::vector<int32_t>({2, 1, 3, 0}));
// With this input shape and permutation values, output shape will be [1, 201, 1, 126].
// The order of non-one values is changed (126, 201) -> (201, 126).
// So this Transpose op cannot be converted to Reshape op.
luci::SubstituteTransposeToReshapePass pass;
while (pass.run(&g))
;
auto reshape_node = dynamic_cast<luci::CircleReshape *>(output->from());
auto transpose_node = dynamic_cast<luci::CircleTranspose *>(output->from());
ASSERT_EQ(nullptr, reshape_node);
ASSERT_NE(nullptr, transpose_node);
}
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