[Mlir-commits] [mlir] [mlir][vector] Teach `TransferOptimization` to forward masked stores (PR #87794)

[Andrzej Warzyński]

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@@ -170,12 +170,43 @@ AffineMap mlir::vector::getTransferMinorIdentityMap(ShapedType shapedType,
       shapedType.getContext());
 }
 
+/// Returns true if the value written by `defWrite` could be the same as the
+/// value read by `read`. Note: True is 'could be' not 'definitely' (as this
+/// simply looks at the masks and the value written). For a definite answer use
+/// `checkSameValueRAW()` -- which calls this function.
+static bool couldBeSameValueWithMasking(vector::TransferWriteOp defWrite,
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banach-space wrote:

This is a standalone method though. One should be able to understand it without having to check where it's being used. 

[nit] Please rename.

https://github.com/llvm/llvm-project/pull/87794