On Thu, Jun 6, 2013 at 11:55 AM, Zhenqiang Chen wrote:
> The patch enhance prepare_shrink_wrap by doing copyprop for the entry
> block. This exposes more opportunities for shrink-wrapping. These
> kinds of copies often occur when incoming argument registers are moved
> to call-saved registers bec
Hi,
The patch enhance prepare_shrink_wrap by doing copyprop for the entry
block. This exposes more opportunities for shrink-wrapping. These
kinds of copies often occur when incoming argument registers are moved
to call-saved registers because their values are live across one or
more calls during
