Add option to disable instruction debug information.

Change-Id: I3faf6b1afe63ef206b58d550adeaab1fddad9bb0

Author: fangliu2020

visa/FlowGraph.cpp

@@ -4091,7 +4091,10 @@ void G4_Kernel::emit_asm(std::ostream& output, bool beforeRegAlloc, void * binar
                     continue;
                 }
 
-                (*itBB)->emitInstructionInfo(output, itInst);
+                if (!(getOptions()->getOption(vISA_disableInstDebugInfo)))
+                {
+                    (*itBB)->emitInstructionInfo(output, itInst);
+                }
                 output << std::endl;
 
                 auto errString = errorToStringMap.find(pc);
@@ -5337,7 +5340,10 @@ void G4_BB::emitBasicInstruction(std::ostream& output, INST_LIST_ITER &it)
 void G4_BB::emitInstruction(std::ostream& output, INST_LIST_ITER &it)
 {
     //prints out instruction line
-    emitInstructionInfo(output, it);
+    if (!(parent->getKernel()->getOptions()->getOption(vISA_disableInstDebugInfo)))
+    {
+        emitInstructionInfo(output, it);
+    }
 
     emitBasicInstruction(output, it);
 

visa/include/VISAOptions.def

@@ -30,6 +30,7 @@ DEF_VISA_OPTION(vISA_Gtpin,                 ET_BOOL, "-gtpin",           UNUSED,
 DEF_VISA_OPTION(vISA_EmitLocation,          ET_BOOL, "-emitLocation",    UNUSED, false)
 DEF_VISA_OPTION(vISA_dumpRPE,               ET_BOOL, "-dumpRPE",         UNUSED, false)
 DEF_VISA_OPTION(vISA_dumpLiveness,               ET_BOOL, "-dumpLiveness",         UNUSED, false)
+DEF_VISA_OPTION(vISA_disableInstDebugInfo,  ET_BOOL, "-disableInstDebugInfo",      UNUSED, false)
 
 //=== Optimization options ===
 DEF_VISA_OPTION(vISA_EnableAlways,          ET_BOOL, NULLSTR,            UNUSED, true)