// RUN: llvm-tblgen -gen-subtarget -I %p/../../include %s 2>&1 | FileCheck %s
// Check if it is valid MCSchedClassDesc if didn't have the resources. 

include "llvm/Target/Target.td"

def MyTarget : Target;

let OutOperandList = (outs), InOperandList = (ins) in {
  def Inst_A : Instruction; 
  def Inst_B : Instruction; 
}

let CompleteModel = 0 in {
  def SchedModel_A: SchedMachineModel;
  def SchedModel_B: SchedMachineModel;
  def SchedModel_C: SchedMachineModel;
}

// Inst_B didn't have the resoures, and it is invalid.
// CHECK: SchedModel_ASchedClasses[] = {
// CHECK: {DBGFIELD("Inst_A")             1
// CHECK-NEXT: {DBGFIELD("Inst_B")             16383 
let SchedModel = SchedModel_A in {
  def Write_A : SchedWriteRes<[]>;
  def : InstRW<[Write_A], (instrs Inst_A)>;
}

// Inst_A didn't have the resoures, and it is invalid.
// CHECK: SchedModel_BSchedClasses[] = {
// CHECK: {DBGFIELD("Inst_A")             16383 
// CHECK-NEXT: {DBGFIELD("Inst_B")             1 
let SchedModel = SchedModel_B in {
  def Write_B: SchedWriteRes<[]>; 
  def : InstRW<[Write_B], (instrs Inst_B)>;
}

// CHECK: SchedModel_CSchedClasses[] = {
// CHECK: {DBGFIELD("Inst_A")             1
// CHECK-NEXT: {DBGFIELD("Inst_B")             1
let SchedModel = SchedModel_C in {
  def Write_C: SchedWriteRes<[]>; 
  def : InstRW<[Write_C], (instrs Inst_A, Inst_B)>;
}

def ProcessorA: ProcessorModel<"ProcessorA", SchedModel_A, []>;
def ProcessorB: ProcessorModel<"ProcessorB", SchedModel_B, []>;
def ProcessorC: ProcessorModel<"ProcessorC", SchedModel_C, []>;