[PATCH] D12588: Introduce target hook for optimizing register copies

[Matt Arsenault via llvm-commits]

arsenm retitled this revision from "PeepholeOptimizer: Look through simple extracts of reg_sequence" to "Introduce target hook for optimizing register copies
".
arsenm updated the summary for this revision.
arsenm updated this revision to Diff 34115.
arsenm added a comment.
Herald added a subscriber: aemerson.

Replace with target hook instead of shareSameRegisterFile


http://reviews.llvm.org/D12588

Files:
  include/llvm/Target/TargetRegisterInfo.h
  lib/CodeGen/PeepholeOptimizer.cpp
  lib/CodeGen/TargetRegisterInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.h
  test/CodeGen/AMDGPU/ds_read2_superreg.ll
  test/CodeGen/AMDGPU/half.ll
  test/CodeGen/AMDGPU/llvm.round.f64.ll
  test/CodeGen/AMDGPU/move-addr64-rsrc-dead-subreg-writes.ll
  test/CodeGen/ARM/vcombine.ll
  test/CodeGen/ARM/vtrn.ll
  test/CodeGen/ARM/vuzp.ll
  test/CodeGen/ARM/vzip.ll

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