[PATCH] D108193: [RISCV] Optimize add in the zba extension with SH*ADD

[Ben Shi via Phabricator via llvm-commits]

benshi001 added a comment.

In D108193#2954069 <https://reviews.llvm.org/D108193#2954069>, @luismarques wrote:

> Wouldn't this also work for the sh1add case? If so, any reason for omitting from this patch?

We have already optimized (add x, 4094) to (ADDI （ADDI x, 2047), 2047), so SH1ADD is not no long needed.


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