llvm-project

e9113618 - [ARM] Custom Lowering for SADDO_CARRY and SSUBO_CARRY (#154419)

[ARM] Custom Lowering for SADDO_CARRY and SSUBO_CARRY (#154419) To do this, I did refactoring to mirror what goes on with AArch64, including having the carryFlagToValue do the inversion. While the patterns are not the best, with pattern matching, I hope to at make it as good as AArch64 on Thumb2 where we have CSEL.