[PATCH] D15091: AMDGPU: Use generic bitreverse intrinsic

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added reviewers: tstellarAMD, jmolloy.
arsenm added a subscriber: llvm-commits.
Herald added a subscriber: arsenm.

Also fix bug in vector legalization for bitreverse.

http://reviews.llvm.org/D15091

Files:
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/AMDGPU/AMDGPUInstrInfo.td
  lib/Target/AMDGPU/AMDGPUIntrinsics.td
  lib/Target/AMDGPU/SIISelLowering.cpp
  lib/Target/AMDGPU/SIInstructions.td
  test/CodeGen/AMDGPU/bitreverse.ll
  test/CodeGen/AMDGPU/llvm.AMDGPU.brev.ll

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