[all-commits] [llvm/llvm-project] 1a7166: [AArch64] Fix stack probing clobbering flags (#81879)

[Momchil Velikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1a7166833d38a2a5c26eacecd13833a9a15e3b3d
      https://github.com/llvm/llvm-project/commit/1a7166833d38a2a5c26eacecd13833a9a15e3b3d
  Author: Momchil Velikov <momchil.velikov at arm.com>
  Date:   2024-02-21 (Wed, 21 Feb 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
    A llvm/test/CodeGen/AArch64/stack-probing-shrink-wrap.mir

  Log Message:
  -----------
  [AArch64] Fix stack probing clobbering flags (#81879)

Certain stack probing sequences might clobber flags, then we can't use a
block as a prologue if the flags register is a live-in on entry to that
block.



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