[all-commits] [llvm/llvm-project] 9fb6c6: [PowerPC] Rework AMO load with Compare and Swap No...

[Maryam Moghadas via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9fb6c65cbb89339f61ce94d25eefa09443ef5eef
      https://github.com/llvm/llvm-project/commit/9fb6c65cbb89339f61ce94d25eefa09443ef5eef
  Author: Maryam Moghadas <maryammo at ca.ibm.com>
  Date:   2026-04-15 (Wed, 15 Apr 2026)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    M llvm/lib/Target/PowerPC/PPCISelLowering.h
    M llvm/lib/Target/PowerPC/PPCInstr64Bit.td
    M llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
    M llvm/lib/Target/PowerPC/PPCInstrInfo.h
    M llvm/lib/Target/PowerPC/PPCInstrInfo.td
    M llvm/test/CodeGen/PowerPC/amo-enable.ll

  Log Message:
  -----------
  [PowerPC] Rework AMO load with Compare and Swap Not Equal to use post-RA pseudo expansion (#190698)

Replace the dummy call lowering with a PPCPostRAExpPseudo that hardcodes
X8/X9/X10 post-RA to satisfy the 3 consecutive register constraint for
lwat/ldat FC=16, addressing reviewer feedback.



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