[PATCH] D57737: [AMDGPU] Fix DPP sequence in atomic optimizer.

[Neil Henning via Phabricator via llvm-commits]

sheredom created this revision.
sheredom added reviewers: nhaehnle, tpr, dstuttard.
sheredom added a project: AMDGPU.
Herald added subscribers: llvm-commits, jfb, t-tye, yaxunl, wdng, jvesely, kzhuravl, arsenm.
Herald added a project: LLVM.

This commit fixes the DPP sequence in the atomic optimizer (which was previously missing the row_shr:3 step).


Repository:
  rL LLVM

https://reviews.llvm.org/D57737

Files:
  lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
  test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll

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