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.
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Diff Detail
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| Differential D40585
AMDGPU: Allow negative MUBUF vaddr for gfx9 ClosedPublic Authored by arsenm on Nov 28 2017, 3:31 PM.
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Diff Detail Event TimelineHerald added subscribers: tpr, dstuttard, yaxunl and 3 others. · View Herald TranscriptNov 28 2017, 3:31 PM This revision is now accepted and ready to land.Nov 28 2017, 3:32 PM
Revision Contents
Diff 124652 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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