[PATCH] D138476: [AMDGPU][InsertWaits] No wait for WAW for global/scratch_load

[Ruiling, Song via Phabricator via llvm-commits]

ruiling created this revision.
ruiling added reviewers: foad, nhaehnle.
Herald added subscribers: kosarev, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl, arsenm.
Herald added a project: All.
ruiling requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

global/scratch_load will return in order they are issued. No
need to insert a s_waitcnt for WAW hazard.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138476

Files:
  llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/implicit-kernarg-backend-usage-global-isel.ll
  llvm/test/CodeGen/AMDGPU/extract-subvector-16bit.ll
  llvm/test/CodeGen/AMDGPU/implicit-kernarg-backend-usage.ll
  llvm/test/CodeGen/AMDGPU/vector_shuffle.packed.ll
  llvm/test/CodeGen/AMDGPU/waitcnt-vmem-waw.mir

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D138476.477068.patch
Type: text/x-patch
Size: 11077 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20221122/288b5f8d/attachment.bin>