[all-commits] [llvm/llvm-project] 7cd57d: AMDGPU: Split flat offsets that don't fit in DAG

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 7cd57dcd5b716dd1dab446974abd4c51d01038a7
      https://github.com/llvm/llvm-project/commit/7cd57dcd5b716dd1dab446974abd4c51d01038a7
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2019-10-20 (Sun, 20 Oct 2019)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.h
    M llvm/test/CodeGen/AMDGPU/cgp-addressing-modes.ll
    M llvm/test/CodeGen/AMDGPU/flat-address-space.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i64.ll
    M llvm/test/CodeGen/AMDGPU/offset-split-flat.ll
    M llvm/test/CodeGen/AMDGPU/offset-split-global.ll
    M llvm/test/CodeGen/AMDGPU/promote-constOffset-to-imm.ll
    M llvm/test/CodeGen/AMDGPU/store-hi16.ll

  Log Message:
  -----------
  AMDGPU: Split flat offsets that don't fit in DAG

We handle it this way for some other address spaces.

Since r349196, SILoadStoreOptimizer has been trying to do this. This
is after SIFoldOperands runs, which can change the addressing
patterns. It's simpler to just split this earlier.

llvm-svn: 375366