[llvm] [NVPTX] Add intrinsics for wgmma.fence PTX instructions (PR #120523)

[Durgadoss R via llvm-commits]

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@@ -4805,6 +4805,21 @@ def int_nvvm_redux_sync_or : ClangBuiltin<"__nvvm_redux_sync_or">,
   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty],
             [IntrConvergent, IntrInaccessibleMemOnly, IntrNoCallback]>;
 
+//
+// WGMMA instructions
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durga4github wrote:

nit: WGMMA fence/commit instructions

https://github.com/llvm/llvm-project/pull/120523