[clang] [llvm] [mlir] [NVPTX] Add support for Shared Cluster Memory address space. (PR #135444)

[via cfe-commits]

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@@ -137,6 +137,7 @@ def hasAtomBitwise64 : Predicate<"Subtarget->hasAtomBitwise64()">;
 def hasAtomMinMax64 : Predicate<"Subtarget->hasAtomMinMax64()">;
 def hasVote : Predicate<"Subtarget->hasVote()">;
 def hasDouble : Predicate<"Subtarget->hasDouble()">;
+def hasClusters : Predicate<"Subtarget->hasClusters()">;
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modiking wrote:

Good catch, it's meant to unify how we check for support of features:
```
  bool hasClusters() const { return SmVersion >= 90 && PTXVersion >= 78; }
```

Updating the predicate checks in the td files to use this instead.

https://github.com/llvm/llvm-project/pull/135444