On 4/17/20 1:53 AM, Richard Biener wrote:
Yeah well, but RTL is not in SSA form and there's no RTL IL verification in place to track degradation. And we even work in the opposite way when expanding to RTL from SSA, coalescing as much as we can ...
Which is itself problematic, introducing unnecessary antidependences at the start of RTL. We've seen performance issues with this on several occasions.
Bill
