[all-commits] [llvm/llvm-project] de25eb: [CostModel][X86] Add vXi32 division by uniform con...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: de25ebaac6d2fed371fcd03d95b35eaa2207f395
      https://github.com/llvm/llvm-project/commit/de25ebaac6d2fed371fcd03d95b35eaa2207f395
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-09-10 (Thu, 10 Sep 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/X86/div.ll
    M llvm/test/Analysis/CostModel/X86/rem.ll
    M llvm/test/Analysis/CostModel/X86/vdiv-cost.ll
    M llvm/test/Transforms/SLPVectorizer/X86/arith-div.ll

  Log Message:
  -----------
  [CostModel][X86] Add vXi32 division by uniform constant costs (PR47476)

Other types can be handled in future patches but their uniform / non-uniform costs are more similar and don't appear to cause many vectorization issues.