Adding reg keys for scheduled BB range in local scheduler

Author: fangliu2020

visa/LocalScheduler/LocalScheduler_G4IR.cpp

@@ -52,8 +52,15 @@ void LocalScheduler::localScheduling()
     LatencyTable LT(fg.builder);
 
     uint32_t totalCycles = 0;
+    uint32_t scheduleStartBBId = m_options->getuInt32Option(vISA_LocalSchedulingStartBB);
+    uint32_t shceduleEndBBId = m_options->getuInt32Option(vISA_LocalSchedulingEndBB);
     for (; ib != bend; ++ib)
     {
+        if ((*ib)->getId() < scheduleStartBBId || (*ib)->getId() > shceduleEndBBId)
+        {
+            continue;
+        }
+
         unsigned instCountBefore = (uint32_t)(*ib)->size();
         #define SCH_THRESHOLD 2
         if (instCountBefore < SCH_THRESHOLD)

visa/include/VISAOptions.def

@@ -167,6 +167,8 @@ DEF_VISA_OPTION(vISA_HWThreadNumberPerEU, ET_INT32, "-HWThreadNumberPerEU", "USA
 DEF_VISA_OPTION(vISA_NoAtomicSend, ET_BOOL, "-noAtomicSend", UNUSED, false)
 DEF_VISA_OPTION(vISA_ReadSuppressionDepth, ET_INT32, "-readSuppressionDepth", UNUSED, 0)
 DEF_VISA_OPTION(vISA_ScheduleForReadSuppression, ET_BOOL, "-scheduleForReadSuppression", UNUSED, false)
+DEF_VISA_OPTION(vISA_LocalSchedulingStartBB,   ET_INT32, "-scheduleStartBB", UNUSED, 0)
+DEF_VISA_OPTION(vISA_LocalSchedulingEndBB,     ET_INT32, "-scheduleEndBB", UNUSED, UINT_MAX)
 
 //=== SWSB options ===
 DEF_VISA_OPTION(vISA_USEL3HIT,      ET_BOOL,  "-SBIDL3Hit",    UNUSED, false)