[llvm-branch-commits] [flang] [mlir] [mlir][OpenMP][flang] make private variable allocation implicit in omp.private (PR #124019)

[Tom Eccles via llvm-branch-commits]

================
@@ -488,44 +559,34 @@ void DataSharingProcessor::doPrivatize(const semantics::Symbol *sym,
     mlir::OpBuilder::InsertionGuard guard(firOpBuilder);
     firOpBuilder.setInsertionPointToStart(moduleOp.getBody());
     auto result = firOpBuilder.create<mlir::omp::PrivateClauseOp>(
-        symLoc, uniquePrivatizerName, symType,
+        symLoc, uniquePrivatizerName, allocType,
         isFirstPrivate ? mlir::omp::DataSharingClauseType::FirstPrivate
                        : mlir::omp::DataSharingClauseType::Private);
     fir::ExtendedValue symExV = converter.getSymbolExtendedValue(*sym);
     lower::SymMapScope outerScope(symTable);
 
-    // Populate the `alloc` region.
-    {
-      mlir::Region &allocRegion = result.getAllocRegion();
-      mlir::Block *allocEntryBlock = firOpBuilder.createBlock(
-          &allocRegion, /*insertPt=*/{}, symType, symLoc);
-
-      firOpBuilder.setInsertionPointToEnd(allocEntryBlock);
-
-      fir::ExtendedValue localExV =
-          hlfir::translateToExtendedValue(
-              symLoc, firOpBuilder, hlfir::Entity{allocRegion.getArgument(0)},
-              /*contiguousHint=*/
-              evaluate::IsSimplyContiguous(*sym, converter.getFoldingContext()))
-              .first;
-
-      symTable.addSymbol(*sym, localExV);
-      lower::SymMapScope innerScope(symTable);
-      cloneSymbol(sym);
-      mlir::Value cloneAddr = symTable.shallowLookupSymbol(*sym).getAddr();
-      mlir::Type cloneType = cloneAddr.getType();
-
-      // A `convert` op is required for variables that are storage associated
-      // via `equivalence`. The problem is that these variables are declared as
-      // `fir.ptr`s while their privatized storage is declared as `fir.ref`,
-      // therefore we convert to proper symbol type.
-      mlir::Value yieldedValue =
-          (symType == cloneType) ? cloneAddr
-                                 : firOpBuilder.createConvert(
-                                       cloneAddr.getLoc(), symType, cloneAddr);
-
-      firOpBuilder.create<mlir::omp::YieldOp>(hsb.getAddr().getLoc(),
-                                              yieldedValue);
+    // Populate the `init` region.
+    const bool needsInitialization =
----------------
tblah wrote:

Done in [7cb83e3](https://github.com/llvm/llvm-project/pull/124019/commits/7cb83e335cfd25ab750e8c15c951dfb9198ac7a1)

https://github.com/llvm/llvm-project/pull/124019