[clang] [RISCV] Add canonical ISA string as Module metadata in IR. (PR #80760)

[Jessica Clarke via cfe-commits]

jrtc27 wrote:

> > I just noticed we only set EF_RISCV_RVC based on C, and not Zca. Is that a bug?
> 
> I think so; binutils sets it for both.

(R_RISCV_ALIGN can probably fail if you don't, I don't think it's just a missing optimisation)

https://github.com/llvm/llvm-project/pull/80760