[all-commits] [llvm/llvm-project] dc3382: [CostModel][X86] Add mul by positive/negative powe...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dc3382dc2c12bd48227361e7f32a37df418f9f5a
      https://github.com/llvm/llvm-project/commit/dc3382dc2c12bd48227361e7f32a37df418f9f5a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-10-17 (Sun, 17 Oct 2021)

  Changed paths:
    A llvm/test/Analysis/CostModel/X86/mul.ll

  Log Message:
  -----------
  [CostModel][X86] Add mul by positive/negative power-of-2 constants tests

We have backend optimizations for these, but currently the costmodel doesn't match them