[all-commits] [llvm/llvm-project] 873ff5: [SimpleLoopUnswich] Fixa a bug on ComputeUnswitche...

[JinGu Kang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 873ff5a72864fdf60614cca8adbd0d869fc9a9a2
      https://github.com/llvm/llvm-project/commit/873ff5a72864fdf60614cca8adbd0d869fc9a9a2
  Author: Jingu Kang <jingu.kang at arm.com>
  Date:   2021-06-22 (Tue, 22 Jun 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
    M llvm/test/Transforms/SimpleLoopUnswitch/partial-unswitch.ll

  Log Message:
  -----------
  [SimpleLoopUnswich] Fixa a bug on ComputeUnswitchedCost with partial unswitch

There was a bug from cost calculation for partially invariant unswitch.

The costs of non-duplicated blocks are substracted from the total LoopCost, so
anything that is duplicated should not be counted.

Differential Revision: https://reviews.llvm.org/D103816