[PATCH] D124626: [AMDGPU] Produce waitcounts for LDS DMA

Stanislav Mekhanoshin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Apr 28 11:14:21 PDT 2022


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MUBUF and FLAT LDS DMA operations need a wait on vmcnt before LDS written
can be accessed. A load from LDS to VMEM does not need a wait.


https://reviews.llvm.org/D124626

Files:
  llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
  llvm/test/CodeGen/AMDGPU/lds-dma-waitcnt.mir

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