[all-commits] [llvm/llvm-project] 03e6ef: [InstCombine] Further simplify udiv -> lshr folding

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 03e6efb8c23f489e45353b6b6d941628d9c49ca2
      https://github.com/llvm/llvm-project/commit/03e6efb8c23f489e45353b6b6d941628d9c49ca2
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-02-23 (Wed, 23 Feb 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp

  Log Message:
  -----------
  [InstCombine] Further simplify udiv -> lshr folding

Rather than queuing up actions, have one function that does the
log2() fold in the obvious way, but with a flag that allows us
to check whether the fold will succeed without actually performing
it.