[llvm] [Vectorize] Vectorization for __builtin_prefetch (PR #66160)

[Florian Hahn via llvm-commits]

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@@ -2230,6 +2230,21 @@ def int_masked_compressstore:
             [IntrWriteMem, IntrArgMemOnly, IntrWillReturn,
              NoCapture<ArgIndex<1>>]>;
 
+def int_masked_prefetch:
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fhahn wrote:

The new intrinsics will need documentation

https://github.com/llvm/llvm-project/pull/66160