[PATCH] D24683: [DAGCombine] Generalize build_vector -> vector_shuffle combine for more than 2 inputs

[Michael Kuperstein via llvm-commits]

mkuper updated this revision to Diff 71885.
mkuper added a comment.

Applied Simon's comments.


https://reviews.llvm.org/D24683

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/PowerPC/pr27078.ll
  test/CodeGen/X86/oddshuffles.ll
  test/CodeGen/X86/vector-trunc-math.ll
  test/CodeGen/X86/vector-trunc.ll

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