[all-commits] [llvm/llvm-project] 2d48a7: [KnownBits] Use early return for unknown LHS for s...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2d48a771fc00681414c54ea3936bff91f3b253c4
      https://github.com/llvm/llvm-project/commit/2d48a771fc00681414c54ea3936bff91f3b253c4
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-05-24 (Wed, 24 May 2023)

  Changed paths:
    M llvm/lib/Support/KnownBits.cpp

  Log Message:
  -----------
  [KnownBits] Use early return for unknown LHS for shifts (NFC)

Make it clear that the leading/trailing zeros handling is only
relevant for the unknown LHS case, which is a fast path to avoid
the full shift amount loop in cases where it would not produce
better results.