[llvm-branch-commits] [flang] [llvm] [mlir] [OpenMP][MLIR] Modify OpenMP Dialect lowering to support attach mapping (PR #179023)

[Sergio Afonso via llvm-branch-commits]

================
@@ -4959,6 +5012,112 @@ static bool checkIfPointerMap(omp::MapInfoOp mapOp) {
   return false;
 }
 
+static void
+processIndividualMap(llvm::IRBuilderBase &builder,
+                     llvm::OpenMPIRBuilder &ompBuilder, MapInfoData &mapData,
+                     size_t mapDataIdx, MapInfosTy &combinedInfo,
+                     TargetDirectiveEnumTy targetDirective,
+                     llvm::omp::OpenMPOffloadMappingFlags memberOfFlag =
+                         llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_NONE,
+                     bool isTargetParam = true, int mapDataParentIdx = -1) {
+  auto mapFlag = mapData.Types[mapDataIdx];
+  auto mapInfoOp = llvm::cast<omp::MapInfoOp>(mapData.MapClause[mapDataIdx]);
+
+  bool isPtrTy = checkIfPointerMap(mapInfoOp);
+  bool isAttachMap = ((convertClauseMapFlags(mapInfoOp.getMapType()) &
+                       llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_ATTACH) ==
+                      llvm::omp::OpenMPOffloadMappingFlags::OMP_MAP_ATTACH);
+
+  // Declare target variables are not passed to the kernel, and for the moment
+  // attach maps are not passed to the kernel, however, it is possible to create
----------------
skatrak wrote:

```suggestion
  // attach maps are not passed to the kernel. However, it is possible to create
```

https://github.com/llvm/llvm-project/pull/179023