Add PayloadOperandNo to TraceRayAsyncHL intrinsic

Add PayloadOperandNo to TraceRayAsyncHL intrinsic

Author: jaladreips

IGC/GenISAIntrinsics/GenIntrinsicInst.h

@@ -1286,7 +1286,9 @@ class TraceRayAsyncHLIntrinsic : public ContinuationHLIntrinsic {
   Value *getTMin() const { return getOperand(14); }
   Value *getTMax() const { return getOperand(15); }
   void setTMax(Value *V) { setOperand(15, V); }
-  Value *getPayload() const { return getOperand(16); }
+  static constexpr unsigned PayloadOperandNo = 16;
+  Value *getPayload() const { return getOperand(PayloadOperandNo); }
+  void setPayload(Value *V) { setOperand(PayloadOperandNo, V); }
   Value *getComparisonValue() const { return getOperand(17); }
   Value *getInternalRayFlags() const { return getOperand(18); }
   Value *getExtraPipelineFlags() const { return getOperand(19); }