[Mlir-commits] [mlir] [mlir][ArmSME] Add comments in tile-spills-and-fills.mlir (PR #91450)

[Benjamin Maxwell]

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@@ -72,17 +72,32 @@ func.func @use_too_many_tiles() {
 //  AFTER-LLVM-LOWERING-DAG: %[[C8:.*]] = arith.constant 8 : index
 //  AFTER-LLVM-LOWERING-DAG: %[[VSCALE:.*]] = vector.vscale
 //  AFTER-LLVM-LOWERING-DAG: %[[SVL_H:.*]] = arith.muli %[[VSCALE]], %[[C8]] : index
+
+///     0. Create an in-memory-tile
+///        Note: 16 is the mask for the first in-memory tile
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MacDue wrote:

16 is not a mask (it's simply an in-memory tile ID, that is a tile ID >= 16)

https://github.com/llvm/llvm-project/pull/91450