[Mlir-commits] [mlir] [mlir][NVVM] Add support for barrier0 operation with predicate (PR #167036)

[Guray Ozen]

================
@@ -1504,6 +1504,15 @@ LogicalResult NVVM::BarrierOp::verify() {
   if (getNumberOfThreads() && !getBarrierId())
     return emitOpError(
         "barrier id is missing, it should be set between 0 to 15");
+
+  if (getBarrierId() && (getReductionOp() || getReductionPredicate()))
+    return emitOpError("reduction are only available for barrier id 0");
----------------
grypp wrote:

```suggestion
    return emitOpError("reduction are only available when id is 0");
```

https://github.com/llvm/llvm-project/pull/167036