[Question]: How to tracking the relationship between gimple expr and expanded rtx ?

[Richard Biener]

On Fri, Jan 18, 2019 at 4:11 AM Li Kun <hw.likun@huawei.com> wrote:
>
> I need to known which rtx is expanded from a specific CALL_EXPR, how
> could i do ?
>
> Is INSN_LOCATION accurate enough ?

No.  There's no accurate way to do this so you have to invent something.
Or start by explaining what you are wanting to do.

Richard.

>
> --
> Best Regards
> Li Kun
>