[Mlir-commits] [mlir] [mlir][SymbolDCE] Check SSA uses for symbols with results (PR #168376)

[Mehdi Amini]

joker-eph wrote:

It is documented here: https://mlir.llvm.org/docs/SymbolsAndSymbolTables/#defining-or-declaring-a-symbol

```
A Symbol operation should use the SymbolOpInterface interface to provide the necessary verification and accessors; it also supports operations, such as builtin.module, that conditionally define a symbol. Symbols must have the following properties:
[....]
- No SSA results
```

https://github.com/llvm/llvm-project/pull/168376