[Mlir-commits] [mlir] [mlir][rocdl] Add IR examples to OP definitions (PR #182147)

[Krzysztof Drewniak]

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@@ -439,12 +557,27 @@ def ROCDL_BarrierSignalOp : ROCDL_ConcreteNonMemIntrOp<"s.barrier.signal", [], 0
   Arguments<(ins I32Attr:$id)> {
   let results = (outs);
   let assemblyFormat = "`id` `=` $id attr-dict";
+  let description = [{
+    Signal a barrier by id. Available on gfx1250+.
+
+    Example:
+    ```mlir
+    // Signal barrier with id -1 (all barriers).
+    rocdl.s.barrier.signal id = -1
+    ```
+  }];
 }
 
 def ROCDL_BarrierSignalVarOp : ROCDL_IntrOp<"s.barrier.signal.var", [], [], [], 0, 0, 0, 0, [1], ["memberCnt"]>,
   Arguments<(ins Arg<ROCDLBufferLDS, "", []>:$ptr, I32Attr:$memberCnt)> {
   let description = [{
     Available on gfx1250+.
+
+    Example:
+    ```mlir
+    // Signal a named barrier with variable member count.
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krzysz00 wrote:

Variable ID, not member count

https://github.com/llvm/llvm-project/pull/182147