xref: /llvm-project/llvm/test/TableGen/CompressWriteLatencyEntry.td (revision a42053a1fa81c3041ba4140c476a766ef71010b2)
1// RUN: llvm-tblgen -gen-subtarget -I %p/../../include %s 2>&1 | FileCheck %s
2
3// Make sure that ReadAdvance entries are correctly processed.
4// Not all ProcReadAdvance definitions implicitly inherit from SchedRead.
5// Some ProcReadAdvances are subclasses of ReadAdvance.
6
7include "llvm/Target/Target.td"
8
9def MyTarget : Target;
10
11let OutOperandList = (outs), InOperandList = (ins) in {
12  def Inst_A : Instruction;
13  def Inst_B : Instruction;
14  def Inst_C : Instruction;
15
16}
17
18let CompleteModel = 0 in {
19  def SchedModel_A: SchedMachineModel;
20}
21
22def Read_D : SchedRead;
23
24// CHECK: extern const llvm::MCWriteLatencyEntry MyTargetWriteLatencyTable[] = {
25// CHECK-NEXT:  { 0,  0}, // Invalid
26// CHECK-NEXT:  { 1,  0}, // #1 Write_A_Write_C
27// CHECK-NEXT:  { 1,  2} // #2 Write_B
28// CHECK-NEXT: }; // MyTargetWriteLatencyTable
29
30// CHECK: extern const llvm::MCReadAdvanceEntry MyTargetReadAdvanceTable[] = {
31// CHECK-NEXT:  {0,  0,  0}, // Invalid
32// CHECK-NEXT:  {0,  2,  1} // #1
33// CHECK-NEXT: }; // MyTargetReadAdvanceTable
34
35// CHECK:  static const llvm::MCSchedClassDesc SchedModel_ASchedClasses[] = {
36// CHECK-NEXT:  {DBGFIELD("InvalidSchedClass")  8191, false, false, false, 0, 0,  0, 0,  0, 0},
37// CHECK-NEXT:  {DBGFIELD("Inst_A")             1, false, false, false,  0, 0,  1, 1,  0, 0}, // #1
38// CHECK-NEXT:  {DBGFIELD("Inst_B")             1, false, false, false,  0, 0,  2, 1,  0, 0}, // #2
39// CHECK-NEXT:  {DBGFIELD("Inst_C")             1, false, false, false,  0, 0,  1, 1,  1, 1}, // #3
40// CHECK-NEXT: }; // SchedModel_ASchedClasses
41
42let SchedModel = SchedModel_A in {
43  def Write_A : SchedWriteRes<[]>;
44  def Write_B : SchedWriteRes<[]>;
45  def Write_C : SchedWriteRes<[]>;
46
47  def : InstRW<[Write_A], (instrs Inst_A)>;
48  def : InstRW<[Write_B], (instrs Inst_B)>;
49  def : InstRW<[Write_C, Read_D], (instrs Inst_C)>;
50
51  def : ReadAdvance<Read_D, 1, [Write_B]>;
52}
53
54def ProcessorA: ProcessorModel<"ProcessorA", SchedModel_A, []>;
55