llvm-project/flang/test/evaluate/reshape.cc

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// Copyright (c) 2018, NVIDIA CORPORATION. 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 "testing.h"
#include "../../runtime/descriptor.h"
#include "../../runtime/transformational.h"
#include <cinttypes>
using namespace Fortran::common;
using namespace Fortran::runtime;
int main() {
std::size_t dataElements{24};
std::int32_t *data{new std::int32_t[dataElements]};
for (std::size_t j{0}; j < dataElements; ++j) {
data[j] = j;
}
static const SubscriptValue sourceExtent[]{2, 3, 4};
Descriptor *source{Descriptor::Create(TypeCategory::Integer, sizeof data[0],
reinterpret_cast<void *>(data), 3, sourceExtent,
CFI_attribute_allocatable)};
source->Check();
MATCH(3, source->rank());
MATCH(2, source->GetDimension(0).Extent());
MATCH(3, source->GetDimension(1).Extent());
MATCH(4, source->GetDimension(2).Extent());
static const std::int16_t shapeData[]{8, 4};
static const SubscriptValue shapeExtent{2};
Descriptor *shape{Descriptor::Create(TypeCategory::Integer,
static_cast<int>(sizeof shapeData[0]),
const_cast<void *>(reinterpret_cast<const void *>(shapeData)), 1,
&shapeExtent)};
shape->Check();
MATCH(1, shape->rank());
MATCH(2, shape->GetDimension(0).Extent());
StaticDescriptor<3> padDescriptor;
static const std::int32_t padData[]{24, 25, 26, 27, 28, 29, 30, 31};
static const SubscriptValue padExtent[]{2, 2, 3};
padDescriptor.descriptor().Establish(TypeCategory::Integer,
static_cast<int>(sizeof padData[0]),
const_cast<void *>(reinterpret_cast<const void *>(padData)), 3,
padExtent);
padDescriptor.Check();
Descriptor *result{RESHAPE(*source, *shape, &padDescriptor.descriptor())};
TEST(result != nullptr);
result->Check();
MATCH(sizeof(std::int32_t), result->ElementBytes());
MATCH(2, result->rank());
TEST(result->type().IsInteger());
for (std::int32_t j{0}; j < 32; ++j) {
MATCH(j, *result->Element<std::int32_t>(j * sizeof(std::int32_t)));
}
for (std::int32_t j{0}; j < 32; ++j) {
SubscriptValue ss[2]{1 + (j % 8), 1 + (j / 8)};
MATCH(j, *result->Element<std::int32_t>(ss));
}
// TODO: test ORDER=
// Plug leaks; should run cleanly beneath valgrind
free(result->raw().base_addr);
result->Destroy();
shape->Destroy();
source->Destroy();
delete[] data;
return testing::Complete();
}