[Mlir-commits] [mlir] [mlir][Vector] Add a rewrite pattern for better low-precision ext(bit… (PR #65774)

[Oleksandr Alex Zinenko]

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@@ -155,6 +170,256 @@ struct ConvertVectorTransferRead final
 };
 } // end anonymous namespace
 
+//===----------------------------------------------------------------------===//
+// RewriteExtOfBitCast
+//===----------------------------------------------------------------------===//
+
+/// Create a vector of bit masks: `idx .. idx + step - 1` and broadcast it
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ftynse wrote:

It's unclear what `idx` means in this comment.

A second example could also be helpful to understand the logic generalization.

https://github.com/llvm/llvm-project/pull/65774