Re: [PATCH] PR tee-optimization/109564 - Do not ignore UNDEFINED ranges when determining PHI equivalences.

2023-04-20 Thread Richard Biener via Gcc-patches
> Am 20.04.2023 um 19:22 schrieb Andrew MacLeod : > > This removes specal casing UNDEFINED ranges when we are checking to see if > all arguments are the same and registering an equivalence. > > previously if there were 2 different names, and one was undefined, we ignored > it an created an

[PATCH] PR tee-optimization/109564 - Do not ignore UNDEFINED ranges when determining PHI equivalences.

2023-04-20 Thread Andrew MacLeod via Gcc-patches
This removes specal casing UNDEFINED ranges when we are checking to see if all arguments are the same and registering an equivalence. previously if there were 2 different names, and one was undefined, we ignored it an created an equivaence with the other one.  as observed, this is not a 2 way