[PATCH] D130313: [AMDGPU] Avoid flushing the vmcnt counter in loop preheaders if not necessary

[Matt Arsenault via Phabricator via llvm-commits]

arsenm accepted this revision.
arsenm added inline comments.
This revision is now accepted and ready to land.


================
Comment at: llvm/test/CodeGen/AMDGPU/waitcnt-vmcnt-loop.mir:547
+# GFX10: $vgpr4
+# GFX10-NOT: S_WAITCNT 16240
+# GFX10-LABEL: bb.1:
----------------
Should drop the operand check from the -NOTs


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D130313/new/

https://reviews.llvm.org/D130313