[Mlir-commits] [mlir] [MLIR] Improve Remark documentation to include mlir-opt usage (PR #159284)

[Guray Ozen]

================
@@ -145,6 +154,19 @@ LogicalResult MyPass::runOnOperation() {
 }
 ```
 
+#### Example: Postpone remarks emitting
+
+`RemarkOpts` has `postpone` option. When it is set, the remark emission will be
+postponed until the end of the compilation.
----------------
grypp wrote:

Postponing will be more useful with my new PR.

The new PR allows dropping or replacing earlier remarks when using postponing.
Here’s an example:

```
pass-early : remark(failed to unroll the loop)
pass-later : drop early remark, add remark(loop is unrolled)
```


https://github.com/llvm/llvm-project/pull/159284