[clang] [llvm] [mlir] [MLIR][OpenMP] Add codegen for teams reductions (PR #133310)

[Sergio Afonso via llvm-commits]

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@@ -1714,6 +1727,43 @@ convertOmpSingle(omp::SingleOp &singleOp, llvm::IRBuilderBase &builder,
   return success();
 }
 
+static bool teamsReductionContainedInDistribute(omp::TeamsOp teamsOp) {
+  auto iface =
+      llvm::cast<mlir::omp::BlockArgOpenMPOpInterface>(teamsOp.getOperation());
+  // Check that all uses of the reduction block arg has the same distribute op
+  // parent.
+  llvm::SmallVector<mlir::Operation *> debugUses;
+  Operation *distOp = nullptr;
+  for (auto ra : iface.getReductionBlockArgs())
+    for (auto &use : ra.getUses()) {
+      auto *useOp = use.getOwner();
+      // Ignore debug uses.
+      if (mlir::isa<LLVM::DbgDeclareOp>(useOp) ||
+          mlir::isa<LLVM::DbgValueOp>(useOp)) {
----------------
skatrak wrote:

```suggestion
      if (isa<LLVM::DbgDeclareOp, LLVM::DbgValueOp>(useOp)) {
```

https://github.com/llvm/llvm-project/pull/133310