[PATCH] D27861: [DAGCombiner] Match load by bytes idiom and fold it into a single load. Attempt #2.

[Artur Pilipenko via Phabricator via llvm-commits]

apilipenko updated this revision to Diff 83648.
apilipenko added a comment.

Address the comments, add a comment that calculateByteProvider recurses over trees, not DAGs.


https://reviews.llvm.org/D27861

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AArch64/load-combine-big-endian.ll
  test/CodeGen/AArch64/load-combine.ll
  test/CodeGen/ARM/load-combine-big-endian.ll
  test/CodeGen/ARM/load-combine.ll
  test/CodeGen/X86/load-combine.ll

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