[all-commits] [llvm/llvm-project] 42f628: Reapply "[SystemZFrameLowering] Don't overrwrite R...

[Jonas Paulsson via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 42f628c8426958daececdd997869024aedc0a068
      https://github.com/llvm/llvm-project/commit/42f628c8426958daececdd997869024aedc0a068
  Author: Jonas Paulsson <paulsson at linux.vnet.ibm.com>
  Date:   2020-12-11 (Fri, 11 Dec 2020)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
    M llvm/test/CodeGen/SystemZ/stack-clash-dynamic-alloca.ll
    M llvm/test/CodeGen/SystemZ/stack-clash-protection.ll

  Log Message:
  -----------
  Reapply "[SystemZFrameLowering] Don't overrwrite R1D (backchain) when probing."

Fixed to properly compute the live-in lists of new blocks.

Review: Ulrich Weigand

Differential Revision: https://reviews.llvm.org/D92803