[llvm-branch-commits] [Flang][OpenMP][MLIR] Extend derived (record) type map support in Flang OpenMP by adding some initial support for explicit member mapping (PR #81511)

[Kareem Ergawy via llvm-branch-commits]

================
@@ -1841,14 +1867,112 @@ createMapInfoOp(fir::FirOpBuilder &builder, 
mlir::Location loc,
       llvm::cast<mlir::omp::PointerLikeType>(retTy).getElementType());
 
   mlir::omp::MapInfoOp op = builder.create<mlir::omp::MapInfoOp>(
-      loc, retTy, baseAddr, varType, varPtrPtr, members, bounds,
+      loc, retTy, baseAddr, varType, varPtrPtr, members, membersIndex, bounds,
       builder.getIntegerAttr(builder.getIntegerType(64, false), mapType),
       builder.getAttr<mlir::omp::VariableCaptureKindAttr>(mapCaptureType),
-      builder.getStringAttr(name));
+      builder.getStringAttr(name), builder.getBoolAttr(partialMap));
 
   return op;
 }
 
+int findComponenetMemberPlacement(
+    const Fortran::semantics::Symbol *dTypeSym,
+    const Fortran::semantics::Symbol *componentSym) {
+  int placement = -1;
+  if (const auto *derived{
+          dTypeSym->detailsIf<Fortran::semantics::DerivedTypeDetails>()}) {
+    for (auto t : derived->componentNames()) {
----------------
ergawy wrote:

I think this logic looks like a good candidate to be a method inside 
`DerivedTypeDetails`, WDYT?

https://github.com/llvm/llvm-project/pull/81511
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