[llvm-dev] status of CodeGen in new Pass Manager

[Mircea Trofin via llvm-dev]

Unless I'm missing something, llc runs codegen, opt runs the optimization
passes up to machine lowering. In other words - try llc instead of opt

On Fri, Nov 12, 2021 at 10:27 AM Mingming Liu via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>    This is a newbie question around CodeGen related passes and the current
> status in new Pass Manager.
>
>    From
> https://llvm.org/docs/NewPassManager.html#status-of-the-new-and-legacy-pass-managers,
> there are ongoing efforts to make the codegen pipeline work in the new Pass
> Manager (which is great!). Searching in the bug list (
> https://bugs.llvm.org/buglist.cgi?component=opt&list_id=226453&product=tools&query_format=advanced&resolution=---&short_desc=codegen&short_desc_type=allwordssubstr)
> gives no result.
>
>    I'm wondering if anyone has more information on the current status of
> CodeGen in the new Pass Manager (a tracking bug or other pointers)?
>
>    The context is that, I'm using opt CLI (by default new PM is used), and
> surprised that codegenprepare pass doesn't run, so dig down and having more
> questions :-)
>
>    Any related information will be appreciated!
>
> --
> Thanks,
> Mingming
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