[PATCH] D26080: [DAG] Improve loads-from-store forwarding to handle TokenFactor

[Nirav Dave via llvm-commits]

niravd created this revision.
niravd added a reviewer: jyknight.
niravd added a subscriber: llvm-commits.
Herald added a subscriber: nemanjai.

Forward store values to matching loads down through token
factors. Factored from https://reviews.llvm.org/D14834.


https://reviews.llvm.org/D26080

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/Mips/o32_cc_byval.ll
  test/CodeGen/PowerPC/anon_aggr.ll
  test/CodeGen/PowerPC/complex-return.ll
  test/CodeGen/PowerPC/ppc64-align-long-double.ll

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