[PATCH] D122754: [DAG] Allow XOR(X,MIN_SIGNED_VALUE) to perform AddLike folds

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 419398.
RKSimon added a comment.

Add isAddLike() helper to match addlike(addlike(x,y),z) patterns


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122754/new/

https://reviews.llvm.org/D122754

Files:
  llvm/include/llvm/CodeGen/SelectionDAGNodes.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/test/CodeGen/ARM/dsp-mlal.ll
  llvm/test/CodeGen/X86/movmsk-cmp.ll
  llvm/test/CodeGen/X86/setcc-combine.ll
  llvm/test/CodeGen/X86/xor-lea.ll

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