[PATCH] D141980: [X86] Transform slow LEA_B_I_D/LEA_SLOWBASE_I -> LEA_IS_D/LEA_IS iff base == index

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

An LEA with scale > 1 also forces a slower computation on the AGUs for most AMD cpus


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D141980/new/

https://reviews.llvm.org/D141980