[Mlir-commits] [mlir] [OpenMP Dialect] Add omp.canonical_loop operation. (PR #65380)

[Jan Leyonberg]

jsjodin wrote:

> 
Potentially reordering might be an issue, Transforms it might think it would be okay to move code like this:
```
%cli = omp.canonical_loop %iv1 : i32 in [0, %tripcount) {
   store 42, array[%iv]
}
omp.unroll %cli
%t = load array[10]
```
to:
```
%cli = omp.canonical_loop %iv1 : i32 in [0, %tripcount) {
   store 42, array[%iv]
}
%t = load array[10]
omp.unroll %cli
```
Maybe there are ways around this, and maybe there are more complicated cases with multiple loops that are harder to resolve?

https://github.com/llvm/llvm-project/pull/65380