[AMDGPU] Consolidate one more getGeneration check

This one should have been done in r363902 when hasReadVCCZBug was
introduced.

diff --git a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
index e84e948..6a688b7 100644 (file)
--- a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
+++ b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
@@ -1393,7 +1393,7 @@ bool SIInsertWaitcnts::insertWaitcntInBlock(MachineFunction &MF,
       if (ScoreBrackets.getScoreLB(LGKM_CNT) <
               ScoreBrackets.getScoreUB(LGKM_CNT) &&
           ScoreBrackets.hasPendingEvent(SMEM_ACCESS)) {
-        if (ST->getGeneration() <= AMDGPUSubtarget::SEA_ISLANDS)
+        if (ST->hasReadVCCZBug())
           VCCZBugWorkAround = true;
       }
     }