[all-commits] [llvm/llvm-project] 1e471a: X86: Remove LOW32_ADDR_ACCESS_RBPRegClass

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/x86/remove-LOW32_ADDR_ACCESS_RBPRegClass
  Home:   https://github.com/llvm/llvm-project
  Commit: 1e471a1a293fa1249b267821f2efbb69c9feeb93
      https://github.com/llvm/llvm-project/commit/1e471a1a293fa1249b267821f2efbb69c9feeb93
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-08-24 (Sun, 24 Aug 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/lib/Target/X86/X86RegisterInfo.cpp
    M llvm/lib/Target/X86/X86RegisterInfo.td

  Log Message:
  -----------
  X86: Remove LOW32_ADDR_ACCESS_RBPRegClass

This essentially reverts 86098ab10b3180a09762266d1f3046eb6f336137.

This was introduced for "ABIs like NaCl". Nacl support was recently
removed in 0d2e11f3e834e0c1803a6e00da35525b0d476eb2. Based on the
X86FrameLowering changes there, Is64Bit && TFI->Uses64BitFramePtr
are not reachable conditions.



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