[PATCH] D40585: AMDGPU: Allow negative MUBUF vaddr for gfx9

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

GFX9 does not enable bounds checking for the resource descriptors
 used for private access, so it should be OK to use vaddr with
a potentially negative value.


https://reviews.llvm.org/D40585

Files:
  lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
  lib/Target/AMDGPU/AMDGPUSubtarget.h
  test/CodeGen/AMDGPU/function-returns.ll
  test/CodeGen/AMDGPU/mubuf-offset-private.ll

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