[PATCH] D146350: [InstCombine] More aggressively try and fold irem/idiv/mul into selects.

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

In D146350#4232936 <https://reviews.llvm.org/D146350#4232936>, @nikic wrote:

> Err, I probably misunderstood the question: There are no div/rem variants that are always speculatable, we can only speculate them if we know that the divisor is non-zero (or the more complex conditions for the signed case are met).

Done + test cases for it (`*fail_no_speculation`).


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D146350