[all-commits] [llvm/llvm-project] e918ba: [LICM] Drop -licm-n2-threshold option

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e918ba69582bd71ccf706b7c0f103c0b09043f94
      https://github.com/llvm/llvm-project/commit/e918ba69582bd71ccf706b7c0f103c0b09043f94
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2021-08-17 (Tue, 17 Aug 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LICM.cpp
    M llvm/test/Transforms/LICM/argmemonly-call.ll
    M llvm/test/Transforms/LICM/invariant.start.ll
    M llvm/test/Transforms/LICM/read-only-calls.ll

  Log Message:
  -----------
  [LICM] Drop -licm-n2-threshold option

This was a diagnostic option used to demonstrate a weakness in
the AST-based LICM implementation. This problem does not exist
in the MSSA-based LICM implementation, which has been enabled
for a long time now. As such, this option is no longer relevant.