[all-commits] [llvm/llvm-project] 5f3f45: [Hexagon] Check isInstr() before getInstr() with S...

[LiaoXinglong via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5f3f45dc5338266f4e73bdbea2ce20fdb7142ded
      https://github.com/llvm/llvm-project/commit/5f3f45dc5338266f4e73bdbea2ce20fdb7142ded
  Author: Xinglong Liao <xinglong.liao at gmail.com>
  Date:   2020-05-14 (Thu, 14 May 2020)

  Changed paths:
    M llvm/lib/Target/Hexagon/HexagonSubtarget.cpp

  Log Message:
  -----------
  [Hexagon] Check isInstr() before getInstr() with SUnit

SUnit represent a MachineInstr in post-regalloc scheduling but SDNode
in pre-regalloc scheduling. when pass -enable-hexagon-sdnode-sched to
Hexagon backend with -O1 and above, this may cause an assertion failed.

Fixes PR45194.

Differential Revision: https://reviews.llvm.org/D76134