Re: [PATCH] MATCH: Avoid recusive zero_one_valued_p for conversions

2023-09-18 Thread Richard Biener via Gcc-patches
On Sun, Sep 17, 2023 at 3:45 AM Andrew Pinski via Gcc-patches wrote: > > So when VN finds a name which has a nop conversion, it says > both names are equivalent to each other and the valuaization > function for one will return the other. This normally does not > cause any issues as there is no

[PATCH] MATCH: Avoid recusive zero_one_valued_p for conversions

2023-09-16 Thread Andrew Pinski via Gcc-patches
So when VN finds a name which has a nop conversion, it says both names are equivalent to each other and the valuaization function for one will return the other. This normally does not cause any issues as there is no recusive matches. But after r14-4038-gb975c0dc3be285, there was one added. So we