[PATCH] D14650: [ARM] Replace ARMISD::RBIT with ISD::BITREVERSE

[James Molloy via llvm-commits]

jmolloy created this revision.
jmolloy added reviewers: t.p.northover, silviu.baranga, mcrosier.
jmolloy added a subscriber: llvm-commits.
jmolloy set the repository for this revision to rL LLVM.
Herald added subscribers: rengolin, aemerson.

ISD::BITREVERSE matches "rbit" completely, so remove ARMISD::RBIT and mark ISD::BITREVERSE as legal, adding a test for lowering.

Repository:
  rL LLVM

http://reviews.llvm.org/D14650

Files:
  include/llvm/Target/TargetSelectionDAG.td
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMInstrThumb2.td
  test/CodeGen/ARM/rbit.ll

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