================
@@ -704,6 +705,33 @@ def NVVM_MBarrierInvalOp :
NVVM_VoidIntrinsicOp<"mbarrier.inval">,
let assemblyFormat = "$addr attr-dict `:` type(operands)";
}
+def NVVM_MBarrierCheckLayoutOp :
+ NVVM_SingleResultIntrinsicOp<"mbarrier.check_layout"> {
+ let summary = "MBarrier Check-Layout Operation";
+ let description = [{
+ The `nvvm.mbarrier.check_layout` operation tests whether the *mbarrier
+ object* at `addr` was initialized with the layout named by `layout`.
+
+ - `res`: An `i1` that is `true` when the *mbarrier object* has the queried
+ layout and `false` otherwise.
+
+ The operation takes the following operand and attribute:
+ - `addr`: A pointer to the memory location of the *mbarrier object*. The
+ `addr` must be a pointer to shared::cta memory.
+ - `layout`: The mbarrier layout version to test for. Only `0` and `1` are
+ valid values.
+
+ [For more information, see PTX
ISA](https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#parallel-synchronization-and-communication-instructions-mbarrier-check-layout)
+ }];
+
+ let results = (outs I1:$res);
+ let arguments = (ins
+ LLVM_PointerShared:$addr,
+ ConfinedAttr<I32Attr, [IntMinValue<0>, IntMaxValue<1>]>:$layout);
----------------
grypp wrote:
Can we implement layout similar to mbarrier.init?
```
DefaultValuedAttr<ConfinedAttr<I32Attr,
[IntMinValue<0>, IntMaxValue<1>]>, "0">:$layout,
```
https://github.com/llvm/llvm-project/pull/217252
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