The solution is to filter out abnormal edges from getting into LCM at all. Existing invalid_opt_bb_p () has such checks for BB predecessors but not for successors which is what the patch adds.
OK. -- Regards Robin
- [PATCH v2] RISC-V: vsetvl: elide abnormal edges from LCM comp... Vineet Gupta
- Re: [PATCH v2] RISC-V: vsetvl: elide abnormal edges from... Jeff Law
- Re: [PATCH v2] RISC-V: vsetvl: elide abnormal edges from... Robin Dapp
