[llvm] [RISCV] Add LUI/AUIPC+ADDI fusions to sifive-p450. (PR #78501)

[Craig Topper via llvm-commits]

topperc wrote:

> LGTM
> 
> Any chance there's a public doc which mentions this you can point to? Non blocking, just asking for the record.

I don't think there is.

https://github.com/llvm/llvm-project/pull/78501