[all-commits] [llvm/llvm-project] f034c9: [PowerPC] mark dead def for ctr be clobber.

[Chen Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f034c98af000f9b1d260bee036ecf653062e1e90
      https://github.com/llvm/llvm-project/commit/f034c98af000f9b1d260bee036ecf653062e1e90
  Author: Chen Zheng <czhengsz at cn.ibm.com>
  Date:   2022-11-18 (Fri, 18 Nov 2022)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
    M llvm/test/CodeGen/PowerPC/ctrloops64.mir

  Log Message:
  -----------
  [PowerPC] mark dead def for ctr be clobber.

TLS pseudo ADDIStlsgdHA will have such def. This dead def should
also prevent PPC from generating CTR loops.