[Mlir-commits] [mlir] [mlir][ArmSME] Use liveness information in the tile allocator (PR #90448)

[Andrzej Warzyński]

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@@ -124,16 +124,21 @@ def EnableArmStreaming
   let dependentDialects = ["func::FuncDialect"];
 }
 
-def TileAllocation
-    : Pass<"allocate-arm-sme-tiles", "mlir::func::FuncOp"> {
-  let summary = "Allocate SME tiles";
+def TestTileAllocation
+    : Pass<"test-arm-sme-tile-allocation", "mlir::func::FuncOp"> {
+  let summary = "Tests SME tile allocation";
   let description = [{
     This pass does tile allocation for SME "virtual tiles". It is run at the
     'func.func' op level, and assigns tile IDs (via an attribute) to all ops
-    that implement the `ArmSMETileOpInterface`. An error will be emitted when
-    there's no tiles left.
+    that implement the `ArmSMETileOpInterface`. Note: This pass is only intended
+    to be used for testing, tile allocation is done as part of the ArmSME to
+    LLVM conversion.
----------------
banach-space wrote:

> as part of the ArmSME to LLVM conversion

Perhaps add the actual name? Also, is this pass required/recommended to be run at the CF level?

https://github.com/llvm/llvm-project/pull/90448