1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
// RUN: -combiners=MyCombiner %s | \
// RUN: FileCheck %s
include "llvm/Target/Target.td"
include "llvm/Target/GlobalISel/Combine.td"
def MyTargetISA : InstrInfo;
def MyTarget : Target { let InstructionSet = MyTargetISA; }
def InstTest0 : GICombineRule<
(defs root:$a),
(match (G_MUL i32:$x, i32:$b, i32:$c),
(G_MUL $a, i32:$b, i32:$x)),
(apply (G_ADD i64:$tmp, $b, i32:$c),
(G_ADD i8:$a, $b, i64:$tmp))>;
def MyCombiner: GICombiner<"GenMyCombiner", [
InstTest0,
]>;
// CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
// CHECK-NEXT: constexpr static uint8_t MatchTable0[] = {
// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ GIMT_Encode4(81), // Rule ID 0 //
// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, GIMT_Encode2(TargetOpcode::G_MUL),
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s8,
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/2, // MIs[1]
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_MUL),
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] b
// CHECK-NEXT: GIM_CheckIsSameOperandIgnoreCopies, /*MI*/1, /*OpIdx*/1, /*OtherMI*/0, /*OtherOpIdx*/1,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s64,
// CHECK-NEXT: // Combiner Rule #0: InstTest0
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_ADD),
// CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/GIMT_Encode2(RegState::Define),
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/1, // b
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/2, // c
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/1, /*Opcode*/GIMT_Encode2(TargetOpcode::G_ADD),
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/1, /*OldInsnID*/0, /*OpIdx*/0, // a
// CHECK-NEXT: GIR_Copy, /*NewInsnID*/1, /*OldInsnID*/0, /*OpIdx*/1, // b
// CHECK-NEXT: GIR_AddSimpleTempRegister, /*InsnID*/1, /*TempRegID*/0,
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
// CHECK-NEXT: // Label 0: @81
// CHECK-NEXT: GIM_Reject,
// CHECK-NEXT: }; // Size: 82 bytes
// CHECK-NEXT: return MatchTable0;
// CHECK-NEXT: }
|
