Craig Topper 265a994f4d
[RISCV] Add C/Zcf/Zcd/Zce implication rules to subtarget construction. (#179615)
This ensures the feature bits and RISCVSubtarget flags match what
RISCVISAInfo would do.

I'm not excited about the code duplication, but I need to set the
RISCVSubtarget flags along with calling ToggleFeature. I'll think about
how to improve this.
2026-02-04 09:32:11 -08:00
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