[PATCH] D109729: [RISCV] Optimize (add (shl x, c0), (shl y, c1))

[Ben Shi via Phabricator via llvm-commits]

benshi001 added a comment.

The reason I write both AddShlShl_1A and def AddShlShl_1B, is that add is not commutative in PatFrag.


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