[Mlir-commits] [mlir] [mlir] fix infinite while in 1:N dialect conversion (PR #123122)

[Matthias Springer]

matthias-springer wrote:

```c++
    // REPLACE tt.ptr WITH (tt.ptr, arith.constant 0) SAME tt.ptr!!!!
```

Can you show the C++ code for that?

There are two 2 ways to replace a value: `replaceOp[WithMultiple]` and `applySignatureConversion`. Both erase the old op / block, so the nested `tt.ptr` should be a different one.


https://github.com/llvm/llvm-project/pull/123122