[all-commits] [llvm/llvm-project] da2e47: [ARM][LowOverheadLoops] Merge VCMP and VPST across...

[Sam Tebbs via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: da2e4728c71f9f8569246fb881c21811f8182c75
      https://github.com/llvm/llvm-project/commit/da2e4728c71f9f8569246fb881c21811f8182c75
  Author: Sam Tebbs <samuel.tebbs at arm.com>
  Date:   2020-11-18 (Wed, 18 Nov 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
    A llvm/test/CodeGen/Thumb2/LowOverheadLoops/vcmp-vpst-combination-across-blocks.mir

  Log Message:
  -----------
  [ARM][LowOverheadLoops] Merge VCMP and VPST across VPT blocks

This patch adds support for combining a VPST with a dangling VCMP from a
previous VPT block.

Differential Revision: https://reviews.llvm.org/D90935