================
@@ -671,4 +672,51 @@ static inline bool isEqual(const Fortran::lower::SomeExpr
*x,
}
} // end namespace Fortran::lower
+// OpenMP utility functions used in locations outside of the
+// OpenMP lowering.
+namespace Fortran::lower::omp {
+
+[[maybe_unused]] static void fillMemberIndices(
+ llvm::SmallVector<llvm::SmallVector<int>> &memberPlacementData) {
+ size_t largestIndicesSize =
+ std::max_element(memberPlacementData.begin(), memberPlacementData.end(),
+ [](auto a, auto b) { return a.size() < b.size(); })
+ ->size();
+
+ // DenseElementsAttr expects a rectangular shape for the data, so all
+ // index lists have to be of the same length, this emplaces -1 as filler.
----------------
agozillon wrote:
The DenseElementsAttr construct unfortunately needs to be the same size in all
dimensions, so in cases where the index data is not the same length in all
dimensions we need some filler, It's a random value that makes some sense to
indicate the end of an indice or a non-index value as indices can only be
positive. Unfortunately DenseElementsAttr was the only appropriate MLIR
attribute I could find for this case and it's a little rough around the edges
it seems.
https://github.com/llvm/llvm-project/pull/96266
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