[Mlir-commits] [mlir] [Flang][OpenMP][MLIR] Initial array section mapping MLIR -> LLVM-IR lowering utilising omp.bounds (PR #68689)

[Akash Banerjee]

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@@ -1638,13 +1631,154 @@ getRefPtrIfDeclareTarget(mlir::Value value,
   return nullptr;
 }
 
+// A small helper structure to contain data gathered
+// for map lowering and coalese it into one area and
+// avoiding extra computations such as searches in the
+// llvm module for lowered mapped varibles or checking
+// if something is declare target (and retrieving the
+// value) more than neccessary.
+struct MapData : llvm::OpenMPIRBuilder::MapInfosTy {
+  llvm::SmallVector<bool, 4> IsDeclareTarget;
+  llvm::SmallVector<mlir::Operation *, 4> MapClause;
+  llvm::SmallVector<llvm::Value *, 4> OriginalValue;
+  // Stripped off array/pointer to get the underlying
+  // element type
+  llvm::SmallVector<llvm::Type *, 4> BaseType;
+};
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TIFitis wrote:

The `append `method needs to be overloaded to append these new entries.

https://github.com/llvm/llvm-project/pull/68689