[PATCH] D21578: [SelectionDAG] Optimization of BITREVERSE legalization for power-of-2 integer scalar/vector types

[Simon Pilgrim via llvm-commits]

RKSimon updated this revision to Diff 63302.
RKSimon added a comment.

Updated with examples of non-legal types (i4 and i24)


Repository:
  rL LLVM

http://reviews.llvm.org/D21578

Files:
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  test/CodeGen/X86/bitreverse.ll
  test/CodeGen/X86/vector-bitreverse.ll

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