[Mlir-commits] [mlir] [mlir][ArmSME] Fold transpose into xfer read to enable in-flight transpose (PR #92562)

[Cullen Rhodes]

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@@ -356,6 +356,20 @@ struct TransposeOpToArmSMELowering
       return failure();
 
     auto loc = transposeOp.getLoc();
+    Value input = transposeOp.getVector();
+
+    if (auto xferOp = input.getDefiningOp<vector::TransferReadOp>()) {
+      // Fold transpose into transfer_read to enable in-flight transpose when
+      // converting to arm_sme.tile_load.
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c-rhodes wrote:

perhaps we might if we enable SME for transposes in IREE and they don't match this pattern?

https://github.com/llvm/llvm-project/pull/92562