[PATCH] D51969: [AMDGPU] Add an AMDGPU specific atomic optimizer.

[Neil Henning via Phabricator via llvm-commits]

sheredom updated this revision to Diff 165490.
sheredom added a comment.

Added an interaction with the DominatorTree, so that if its present in the PassManager we can preserve + update it.


https://reviews.llvm.org/D51969

Files:
  lib/Target/AMDGPU/AMDGPU.h
  lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  lib/Target/AMDGPU/CMakeLists.txt
  test/CodeGen/AMDGPU/atomic_load_add.ll
  test/CodeGen/AMDGPU/atomic_load_sub.ll
  test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll
  test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
  test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
  test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll
  test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll
  test/CodeGen/AMDGPU/global_atomics.ll
  test/CodeGen/AMDGPU/global_atomics_i64.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.buffer.atomic.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.raw.buffer.atomic.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.struct.buffer.atomic.ll
  test/CodeGen/AMDGPU/local-atomics.ll
  test/CodeGen/AMDGPU/local-atomics64.ll

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