removing unused NOTE_INSN notes?

[Daniel Berlin]

On Mon, 17 Sep 2001, Jan Hubicka wrote:

> Hi,
> I am looking about what NOTE_INSN notes are still in use.  There appears
> to be some of these unused.  Are there any plans to use them, or
> should we just remove them?
>
> After my quick survey following ones are at my list:
>  /* Start/end of a live range region, where pseudos allocated on the stack
>      can be allocated to temporary registers.  Uses NOTE_RANGE_INFO.  */
>   NOTE_INSN_RANGE_BEG,
>   NOTE_INSN_RANGE_END,

These are unused, and there are smarter ways to record the info anyway, so
i say we remove them.


>
>   /* Record which registers are currently live.  Uses NOTE_LIVE_INFO.  */
>   NOTE_INSN_LIVE,
>
>
> Honza
>