On Fri, Feb 12, 2021 at 6:03 PM Richard Sandiford via Gcc-patches
wrote:
>
> The rtl-ssa code uses an on-the-side IL and needs to build that IL
> for each block and RTL insn. I'd originally not used the classical
> dominance frontier method for placing phis on the basis that it seemed
> like more
The rtl-ssa code uses an on-the-side IL and needs to build that IL
for each block and RTL insn. I'd originally not used the classical
dominance frontier method for placing phis on the basis that it seemed
like more work in this context: we're having to visit everything in
an RPO walk anyway, so fo
