[Mlir-commits] [mlir] [mlir][ArmSME] Add rudimentary support for tile spills to the stack (PR #76086)

[Cullen Rhodes]

================
@@ -61,7 +61,9 @@ using namespace mlir::arm_sme;
 
 namespace {
 
-static constexpr char kTilesInUseAttr[] = "arm_sme.tiles_in_use";
+static constexpr StringLiteral kTilesInUseAttr("arm_sme.tiles_in_use");
+static constexpr StringLiteral
+    kNextTileMemoryIndex("arm_sme.next_in_memory_tile_id");
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c-rhodes wrote:

```suggestion
    kNextTileMemoryIndexAttr("arm_sme.next_in_memory_tile_id");
```

https://github.com/llvm/llvm-project/pull/76086