[PATCH] D41701: [DAG] Teach BaseIndexOffset to correctly handle with indexed operations

[Nirav Dave via Phabricator via llvm-commits]

niravd created this revision.
niravd added reviewers: efriedma, RKSimon, hfinkel, jyknight.

BaseIndexOffset address analysis incorrectly ignores offsets folded
into indexed memory operations causing potential errors in alias
analysis of pre-indexed operations.


https://reviews.llvm.org/D41701

Files:
  llvm/include/llvm/CodeGen/SelectionDAGAddressAnalysis.h
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp

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