[Mlir-commits] [mlir] [mlir][NVVM] Add nvvm.membar operation (PR #166698)

[Valentin Clement バレンタイン クレメン]

================
@@ -1236,6 +1236,23 @@ def NVVM_FenceProxyAcquireOp : NVVM_Op<"fence.proxy.acquire">,
   let hasVerifier = 1;
 }
 
+def NVVM_MembarOp : NVVM_Op<"memory_barrier">,
+                    Arguments<(ins MemScopeKindAttr:$scope)> {
+  let summary = "Memory barrier operation";
+  let description = [{
+    `membar` operation guarantees that prior memory accesses requested by this
+    thread are performed at the specified `level`, before later memory
----------------
clementval wrote:

```suggestion
    thread are performed at the specified `scope`, before later memory
```

https://github.com/llvm/llvm-project/pull/166698