On Wed, Apr 28, 2021 at 9:07 PM Richard Sandiford via Gcc-patches
wrote:
>
> This patch fixes an oversight in the handling of debug instructions
> in rtl-ssa. At the moment (and whether this is a good idea or not
> remains to be seen), we maintain a linear RPO sequence of definitions
> and non-de
This patch fixes an oversight in the handling of debug instructions
in rtl-ssa. At the moment (and whether this is a good idea or not
remains to be seen), we maintain a linear RPO sequence of definitions
and non-debug uses. If a register is defined more than once, we use
a degenerate phi to reest
