[all-commits] [llvm/llvm-project] 97e7ce: [PowerPC] Probe the gap between stackptr and reali...

[bzEq via All-commits]

  Branch: refs/heads/temp-test-main
  Home:   https://github.com/llvm/llvm-project
  Commit: 97e7ce3b15ccaf3e121a666122a5b282a5a6607d
      https://github.com/llvm/llvm-project/commit/97e7ce3b15ccaf3e121a666122a5b282a5a6607d
  Author: Kai Luo <lkail at cn.ibm.com>
  Date:   2020-11-25 (Wed, 25 Nov 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
    M llvm/test/CodeGen/PowerPC/pr46759.ll
    M llvm/test/CodeGen/PowerPC/stack-clash-prologue.ll

  Log Message:
  -----------
  [PowerPC] Probe the gap between stackptr and realigned stackptr

During reviewing https://reviews.llvm.org/D84419, @efriedma mentioned the gap between realigned stack pointer and origin stack pointer should be probed too whatever the alignment is. This patch fixes the issue for PPC64.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D88078