[all-commits] [llvm/llvm-project] c352e0: [PowerPC] Implement probing for prologue

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: c352e0885a6b402e5d92cb82f0d0c4e933626b45
      https://github.com/llvm/llvm-project/commit/c352e0885a6b402e5d92cb82f0d0c4e933626b45
  Author: Kai Luo <lkail at cn.ibm.com>
  Date:   2020-07-04 (Sat, 04 Jul 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
    M llvm/lib/Target/PowerPC/PPCFrameLowering.h
    M llvm/lib/Target/PowerPC/PPCInstr64Bit.td
    M llvm/lib/Target/PowerPC/PPCInstrInfo.td
    A llvm/test/CodeGen/PowerPC/stack-clash-prologue.ll

  Log Message:
  -----------
  [PowerPC] Implement probing for prologue

This patch is part of supporting `-fstack-clash-protection`. Implemented
probing when emitting prologue.

Differential Revision: https://reviews.llvm.org/D81460