[flang-commits] [flang] [mlir] [mlir][flang] Added Weighted[Region]BranchOpInterface's. (PR #142079)

[Christian Ulmann via flang-commits]

================
@@ -80,6 +81,49 @@ detail::verifyBranchSuccessorOperands(Operation *op, unsigned succNo,
   return success();
 }
 
+//===----------------------------------------------------------------------===//
+// WeightedBranchOpInterface
+//===----------------------------------------------------------------------===//
+
+static LogicalResult verifyWeights(Operation *op, DenseI32ArrayAttr weights,
+                                   int64_t weightsNum,
+                                   llvm::StringRef weightAnchorName,
+                                   llvm::StringRef weightRefName) {
+  if (weights) {
+    if (weights.size() != weightsNum)
+      return op->emitError() << "expects number of " << weightAnchorName
+                             << " weights to match number of " << weightRefName
+                             << ": " << weights.size() << " vs " << weightsNum;
+
+    for (auto weight : llvm::enumerate(weights.asArrayRef()))
----------------
Dinistro wrote:

```suggestion
    for (auto [index, weight] : llvm::enumerate(weights.asArrayRef()))
```
Nit: structured bindings are more convenient

https://github.com/llvm/llvm-project/pull/142079