[all-commits] [llvm/llvm-project] 6726d6: [ARM][LowOverheadLoops] Check scalar predicates

[Sam Parker via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6726d67bfd9ede4bbf323d677f3167bd508b8370
      https://github.com/llvm/llvm-project/commit/6726d67bfd9ede4bbf323d677f3167bd508b8370
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2020-01-30 (Thu, 30 Jan 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/dont-ignore-vctp.mir

  Log Message:
  -----------
  [ARM][LowOverheadLoops] Check scalar predicates

When trying to remove the loop iteration count, check that the
instruction will always execute.

Differential Revision: https://reviews.llvm.org/D73682