================
@@ -2122,6 +2124,66 @@ void collectMapDataFromMapOperands(MapInfoData &mapData,
}
}
+static int getMapDataMemberIdx(MapInfoData &mapData,
+ mlir::omp::MapInfoOp memberOp) {
+ auto *res = llvm::find(mapData.MapClause, memberOp);
+ assert(res != mapData.MapClause.end() &&
+ "MapInfoOp for member not found in MapData, cannot return index");
+ return std::distance(mapData.MapClause.begin(), res);
+}
+
+static mlir::omp::MapInfoOp
+getFirstOrLastMappedMemberPtr(mlir::omp::MapInfoOp mapInfo, bool first) {
+ mlir::DenseIntElementsAttr indexAttr = mapInfo.getMembersIndexAttr();
+
+ // Only 1 member has been mapped, we can return it.
+ if (indexAttr.size() == 1)
+ if (auto mapOp = mlir::dyn_cast<mlir::omp::MapInfoOp>(
+ mapInfo.getMembers()[0].getDefiningOp()))
+ return mapOp;
+
+ llvm::ArrayRef<int64_t> shape = indexAttr.getShapedType().getShape();
+ std::vector<size_t> indices(shape[0]);
+ std::iota(indices.begin(), indices.end(), 0);
+
+ llvm::sort(
+ indices.begin(), indices.end(), [&](const size_t a, const size_t b) {
+ for (int i = 0;
+ i < shape[1];
+ ++i) {
+ int aIndex = indexAttr.getValues<int32_t>()[a * shape[1] + i];
+ int bIndex = indexAttr.getValues<int32_t>()[b * shape[1] + i];
----------------
skatrak wrote:
Nit: Extract `indexAttr.getValues<int32_t>()` out of the lambda.
```suggestion
int aIndex = indexAttrValues[a * shape[1] + i];
int bIndex = indexAttrValues[b * shape[1] + i];
```
https://github.com/llvm/llvm-project/pull/82852
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