[all-commits] [llvm/llvm-project] d43913: [ARM][MVE] Enable narrow vectors for tail pred

[Sam Parker via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: d43913ae3818c86e640f406761ec7202a8ebb24e
      https://github.com/llvm/llvm-project/commit/d43913ae3818c86e640f406761ec7202a8ebb24e
  Author: Sam Parker <sam.parker at arm.com>
  Date:   2019-11-19 (Tue, 19 Nov 2019)

  Changed paths:
    M llvm/lib/Target/ARM/MVETailPredication.cpp
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/mve-tail-data-types.ll
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/nested.ll
    A llvm/test/CodeGen/Thumb2/LowOverheadLoops/wlstp.mir

  Log Message:
  -----------
  [ARM][MVE] Enable narrow vectors for tail pred

Remove the restriction, from the mve tail predication pass, that the
all masked vectors instructions need to be 128-bits. This allows us
to supported extending loads and truncating stores.

Differential Revision: https://reviews.llvm.org/D69946