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

[Sergio Afonso via llvm-commits]

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@@ -4554,6 +4679,25 @@ static std::optional<int64_t> extractConstInteger(Value value) {
   return std::nullopt;
 }
 
+static uint64_t getTypeByteSize(mlir::Type type, const DataLayout &dl) {
+  uint64_t sizeInBits = dl.getTypeSizeInBits(type);
+  uint64_t sizeInBytes = sizeInBits / 8;
+  return sizeInBytes;
+}
+
+template <typename OpTy>
+static uint64_t getReductionDataSize(OpTy &op) {
+  if (op.getNumReductionVars() > 0) {
+    assert(op.getNumReductionVars() &&
----------------
skatrak wrote:

Is the condition for the assert correct? By looking at the message, it seems like this is what it should check instead:
```suggestion
    assert(op.getNumReductionVars() == 1 &&
```

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