[all-commits] [llvm/llvm-project] 43af2a: [AMDGPU] Workaround for LDS Misalignment bug on GFX10

Wed Sep 9 02:48:34 PDT 2020

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 43af2a6faa272565cde4e3eec7dfeac593d29701
      https://github.com/llvm/llvm-project/commit/43af2a6faa272565cde4e3eec7dfeac593d29701
  Author: Mirko Brkusanin <Mirko.Brkusanin at amd.com>
  Date:   2020-09-09 (Wed, 09 Sep 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPU.td
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    A llvm/test/CodeGen/AMDGPU/GlobalISel/lds-misaligned-bug.ll
    M llvm/test/CodeGen/AMDGPU/lds-misaligned-bug.ll

  Log Message:
  -----------
  [AMDGPU] Workaround for LDS Misalignment bug on GFX10

Add subtarget feature check to avoid using ds_read/write_b96/128 with too
low alignment if a bug is present on that specific hardware.
Add this "feature" to GFX 10.1.1 as it is also affected.
Add global-isel test.