[Mlir-commits] [mlir] [mlir][vector] Prevent masked transfer read/write identity folding (PR #192966)

[Kunwar Grover]

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@@ -5850,6 +5850,9 @@ static LogicalResult foldReadInitWrite(TransferWriteOp write,
   // Bail on potential out-of-bounds accesses.
   if (read.hasOutOfBoundsDim() || write.hasOutOfBoundsDim())
     return failure();
+  // Masked transfers have padding/select semantics and are not identity folds.
+  if (read.getMask() || write.getMask())
+    return failure();
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Groverkss wrote:

If the padding is poison this is okay. Can you add the case?

https://github.com/llvm/llvm-project/pull/192966