[PATCH] D20589: AMDGPU: Expand unaligned accesses early

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.

Due to visit order problems, in the case of an unaligned copy
the legalized DAG fails to eliminate extra instructions introduced
by the expansion of both unaligned parts.

http://reviews.llvm.org/D20589

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  test/CodeGen/AMDGPU/cvt_f32_ubyte.ll
  test/CodeGen/AMDGPU/sext-in-reg-failure-r600.ll
  test/CodeGen/AMDGPU/sext-in-reg.ll
  test/CodeGen/AMDGPU/unaligned-load-store.ll

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