[PATCH] D41856: [PowerPC] Zero-extend the compare operand for ATOMIC_CMP_SWAP

[Nemanja Ivanovic via Phabricator via llvm-commits]

nemanjai updated this revision to Diff 129368.
nemanjai added a comment.

Legalize by producing PPC-specific atomic compare and swap ISD nodes.

Please note that this fix now no longer completely fixes the listed PR. It requires https://reviews.llvm.org/D41798 to land in order to completely fix that bug.


Repository:
  rL LLVM

https://reviews.llvm.org/D41856

Files:
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCISelLowering.h
  lib/Target/PowerPC/PPCInstrInfo.td
  test/CodeGen/PowerPC/PR35812-neg-cmpxchg.ll
  test/CodeGen/PowerPC/atomics-regression.ll

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