diff --git a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
--- a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
+++ b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
@@ -1081,7 +1081,7 @@
           assert(II->getOpcode() == AMDGPU::S_WAITCNT_VSCNT);
           assert(II->getOperand(0).getReg() == AMDGPU::SGPR_NULL);
           ScoreBrackets.applyWaitcnt(
-              AMDGPU::Waitcnt(0, 0, 0, II->getOperand(1).getImm()));
+              AMDGPU::Waitcnt(~0u, ~0u, ~0u, II->getOperand(1).getImm()));
         }
       }
     }