[all-commits] [llvm/llvm-project] 2c52c8: ValueTracking: Document some difficult isKnownNeve...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c52c811eef6ba1a9a0390aa2310d5fcaf128d7b
      https://github.com/llvm/llvm-project/commit/2c52c811eef6ba1a9a0390aa2310d5fcaf128d7b
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/test/Transforms/InstSimplify/floating-point-compare.ll

  Log Message:
  -----------
  ValueTracking: Document some difficult isKnownNeverInfinity cases

Add a comment and some negative tests. I'd like to have test coverage
and explicit handling of all the math operations for clarity.