llvm-project/flang/unittests/Evaluate/reshape.cpp

86 lines
3.2 KiB
C++

#include "testing.h"
#include "flang/Runtime/descriptor.h"
#include "flang/Runtime/transformational.h"
#include <cinttypes>
using namespace Fortran::common;
using namespace Fortran::runtime;
int main() {
static const SubscriptValue sourceExtent[]{2, 3, 4};
auto source{Descriptor::Create(TypeCategory::Integer, sizeof(std::int32_t),
nullptr, 3, sourceExtent, CFI_attribute_allocatable)};
source->Check();
MATCH(3, source->rank());
MATCH(sizeof(std::int32_t), source->ElementBytes());
TEST(source->IsAllocatable());
TEST(!source->IsPointer());
for (int j{0}; j < 3; ++j) {
source->GetDimension(j).SetBounds(1, sourceExtent[j]);
}
TEST(source->Allocate() == CFI_SUCCESS);
TEST(source->IsAllocated());
MATCH(2, source->GetDimension(0).Extent());
MATCH(3, source->GetDimension(1).Extent());
MATCH(4, source->GetDimension(2).Extent());
MATCH(24, source->Elements());
for (std::size_t j{0}; j < 24; ++j) {
*source->OffsetElement<std::int32_t>(j * sizeof(std::int32_t)) = j;
}
static const std::int16_t shapeData[]{8, 4};
static const SubscriptValue shapeExtent{2};
auto shape{Descriptor::Create(TypeCategory::Integer,
static_cast<int>(sizeof shapeData[0]),
const_cast<void *>(reinterpret_cast<const void *>(shapeData)), 1,
&shapeExtent, CFI_attribute_pointer)};
shape->Check();
MATCH(1, shape->rank());
MATCH(2, shape->GetDimension(0).Extent());
TEST(shape->IsPointer());
TEST(!shape->IsAllocatable());
StaticDescriptor<3> padDescriptor;
Descriptor &pad{padDescriptor.descriptor()};
static const std::int32_t padData[]{24, 25, 26, 27, 28, 29, 30, 31};
static const SubscriptValue padExtent[]{2, 2, 3};
pad.Establish(TypeCategory::Integer, static_cast<int>(sizeof padData[0]),
const_cast<void *>(reinterpret_cast<const void *>(padData)), 3, padExtent,
CFI_attribute_pointer);
padDescriptor.Check();
pad.Check();
MATCH(3, pad.rank());
MATCH(2, pad.GetDimension(0).Extent());
MATCH(2, pad.GetDimension(1).Extent());
MATCH(3, pad.GetDimension(2).Extent());
StaticDescriptor<1> orderDescriptor;
Descriptor &order{orderDescriptor.descriptor()};
static const std::int32_t orderData[]{1, 2};
static const SubscriptValue orderExtent[]{2};
order.Establish(TypeCategory::Integer, static_cast<int>(sizeof orderData[0]),
const_cast<void *>(reinterpret_cast<const void *>(orderData)), 1,
orderExtent, CFI_attribute_pointer);
orderDescriptor.Check();
order.Check();
MATCH(1, order.rank());
MATCH(2, order.GetDimension(0).Extent());
auto result{Descriptor::Create(TypeCategory::Integer, sizeof(std::int32_t),
nullptr, 2, nullptr, CFI_attribute_allocatable)};
TEST(result.get() != nullptr);
RTNAME(Reshape)(*result, *source, *shape, &pad, &order, __FILE__, __LINE__);
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->OffsetElement<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));
}
return testing::Complete();
}