[PATCH] D140087: [X86] Replace (31/63 -/^ X) with (NOT X) and ignore (32/64 ^ X) when computing shift count

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n marked an inline comment as done.
goldstein.w.n added a comment.

In D140087#3997239 <https://reviews.llvm.org/D140087#3997239>, @pengfei wrote:

> Pre-commit the test case and rebase to show the diff.

What do you mean? Add a commit of not-shift.ll
w.o the peephole added?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D140087/new/

https://reviews.llvm.org/D140087