Internal feature

Change-Id: I86f3f44885a49c5bf71605e5e079cafdaff17b72

Author: bcheng0127

visa/Gen4_IR.cpp

@@ -3413,6 +3413,7 @@ void G4_INST::emit_inst(std::ostream& output, bool symbol_dst, bool *symbol_srcs
             output << ' ';
         }
         this->emit_options(output);
+        output << "//" << srcCISAoff;
         //
         // emit src2 of pln as comments
         //

visa/Optimizer.cpp

@@ -3052,7 +3052,7 @@ void Optimizer::newLocalCopyPropagation()
                         // src0 region is guaranteed to be scalar/contiguous due to canPropagate() check earlier
                         RegionDesc* region = src0->isScalar() ?
                             builder.getRegionScalar() :
-                            builder.createRegionDesc((uint16_t)inst->getExecSize()
+                            builder.createRegionDesc(useInst->getExecSize(), (uint16_t)inst->getExecSize()
                             * typeSizeRatio, inst->getExecSize(),
                             (uint16_t)typeSizeRatio);
                         if (src0->isIndirect())