[PATCH] D154805: [DAGCombiner] Fold IEEE `fmul`/`fdiv` by Pow2 to `add`/`sub` of exp

[Noah Goldstein via Phabricator via llvm-commits]

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

In D154805#4544765 <https://reviews.llvm.org/D154805#4544765>, @RKSimon wrote:

> Have you looked at using the existing DAG::isKnownToBeAPowerOfTwo and DAGCombiner::BuildLogBase2 methods?

Done, includes a bit of a refactor for both those methods as they where lacking.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D154805/new/

https://reviews.llvm.org/D154805