[Mlir-commits] [mlir] [MLIR][LivenessAnalysis] Treat a public function as an external (PR #160648)

[Mehdi Amini]

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@@ -569,6 +569,23 @@ module @return_void_with_unused_argument {
     call @fn_return_void_with_unused_argument(%arg0, %unused) : (i32, memref<4xi32>) -> ()
     return %unused : memref<4xi32>
   }
+  // the function is immutable because it is public.
+  func.func public @immutable_fn_return_void_with_unused_argument(%arg0: i32, %unused: i32) -> () {
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joker-eph wrote:

```suggestion
  func.func public @public_func_with_unused_argument(%arg0: i32, %unused: i32) -> () {
```

Seems more descriptive about the specificity of the test case.

https://github.com/llvm/llvm-project/pull/160648