[PATCH] D73643: [WIP] Macro Fusion for RISC-V

[Evandro Menezes via Phabricator via llvm-commits]

evandro added a comment.

As @lenary said, this must be enabled only for those sub targets that actually fuse these instrs.  Also, when using the macro fusion pass, you should also enable the post RA pass.  Otherwise, it's less effective.


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  https://reviews.llvm.org/D73643/new/

https://reviews.llvm.org/D73643