On Tue, Jan 24, 2023 at 01:37:07PM +0100, Richard Biener wrote:
> CFG cleanup computes dominators before the loop over blocks looking
> for merging opportunities. That computes also the fast-query DFS
> numbers but that's a bit pointless since any CFG cleanup will invalidate
> them immediately (th
CFG cleanup computes dominators before the loop over blocks looking
for merging opportunities. That computes also the fast-query DFS
numbers but that's a bit pointless since any CFG cleanup will invalidate
them immediately (they are re-computed before fixing up loops).
The following avoids this an