Skip to content

[flang-rt] Added IsContiguousUpTo runtime function. #131048

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vzakhari merged 3 commits into from
Mar 15, 2025
Merged

[flang-rt] Added IsContiguousUpTo runtime function. #131048

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
29d3d4e
[flang-rt] Added IsContiguousUpTo runtime function.
vzakhari Mar 13, 2025
4238a79
`char` -> `int`
vzakhari Mar 13, 2025
f3d4718
Merge branch 'main' into flang_rt_is_contig
vzakhari Mar 14, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions flang-rt/lib/runtime/support.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,10 @@ bool RTDEF(IsContiguous)(const Descriptor &descriptor) {
return descriptor.IsContiguous();
}

bool RTDEF(IsContiguousUpTo)(const Descriptor &descriptor, int dim) {
return descriptor.IsContiguous(dim);
}

bool RTDEF(IsAssumedSize)(const Descriptor &descriptor) {
return ISO::IsAssumedSize(&descriptor.raw());
}
Expand Down
20 changes: 20 additions & 0 deletions flang-rt/unittests/Runtime/Support.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -78,3 +78,23 @@ TEST(DescriptorBytesFor, Basic) {
EXPECT_GT(b, 0U);
}
}

TEST(IsContiguous, Basic) {
// ARRAY 1 3 5
// 2 4 6
auto array{MakeArray<TypeCategory::Integer, 4>(
std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
StaticDescriptor<2> sectionStaticDesc;
Descriptor &section{sectionStaticDesc.descriptor()};
section.Establish(array->type(), array->ElementBytes(),
/*p=*/nullptr, /*rank=*/2);
static const SubscriptValue lbs[]{1, 1}, ubs[]{2, 3}, strides[]{1, 2};
const auto error{
CFI_section(&section.raw(), &array->raw(), lbs, ubs, strides)};
ASSERT_EQ(error, 0) << "CFI_section failed for array: " << error;

EXPECT_TRUE(RTNAME(IsContiguous)(*array));
EXPECT_FALSE(RTNAME(IsContiguous)(section));
EXPECT_TRUE(RTNAME(IsContiguousUpTo)(section, 1));
EXPECT_FALSE(RTNAME(IsContiguousUpTo)(section, 2));
}