[PATCH] D13442: [AArch64] Fold vector fmul/fdiv by pow2 into floating-point/fixed-point conversions.

[Chad Rosier via llvm-commits]

mcrosier updated this revision to Diff 36749.
mcrosier added a comment.

This should take care of all of your suggested improvements, Tim.

1. Accommodated Tim's request for a generic interface for both ARM and AArch64 to compute const FP splat of power of 2.
2. Allow matching against constant splats with undefs.

  Chad


http://reviews.llvm.org/D13442

Files:
  include/llvm/CodeGen/SelectionDAGNodes.h
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  test/CodeGen/AArch64/fcvt_combine.ll
  test/CodeGen/AArch64/fdiv_combine.ll

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