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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// RUN: llvm-tblgen %s -gen-global-isel -optimize-match-table=false -I %p/../../include -I %p/Common -o - | FileCheck %s
// Verify that all MI predicates are enumerated.
//
// CHECK: // PatFrag predicates.
// CHECK-NEXT: enum {
// CHECK-NEXT: GIPFP_MI_Predicate_and_or_pat = GIPFP_MI_Invalid + 1,
// CHECK-NEXT: GIPFP_MI_Predicate_or_oneuse,
// CHECK-NEXT: GIPFP_MI_Predicate_patfrags_test_pat,
// CHECK-NEXT: GIPFP_MI_Predicate_sub3_pat,
// CHECK-NEXT: };
// Verify that we emit cases for all MI predicates.
//
// CHECK: bool MyTargetInstructionSelector::testMIPredicate_MI(
// CHECK: case GIPFP_MI_Predicate_and_or_pat: {
// CHECK: llvm_unreachable("GISelPredicateCode should have returned");
// CHECK: case GIPFP_MI_Predicate_or_oneuse: {
// CHECK: llvm_unreachable("GISelPredicateCode should have returned");
// CHECK: case GIPFP_MI_Predicate_patfrags_test_pat: {
// CHECK: llvm_unreachable("GISelPredicateCode should have returned");
// CHECK: case GIPFP_MI_Predicate_sub3_pat: {
// CHECK: llvm_unreachable("GISelPredicateCode should have returned");
include "llvm/Target/Target.td"
include "GlobalISelEmitterCommon.td"
// Boilerplate code for setting up some registers with subregs.
class MyReg<string n, list<Register> subregs = []>
: Register<n> {
let SubRegs = subregs;
}
class MyClass<int size, list<ValueType> types, dag registers>
: RegisterClass<"Test", types, size, registers> {
let Size = size;
}
def sub0 : SubRegIndex<16>;
def sub1 : SubRegIndex<16, 16>;
def S0 : MyReg<"s0">;
def S1 : MyReg<"s1">;
def SRegs : MyClass<16, [i16], (sequence "S%u", 0, 1)>;
let SubRegIndices = [sub0, sub1] in {
def D0 : MyReg<"d0", [S0, S1]>;
}
def DRegs : MyClass<32, [i32], (sequence "D%u", 0, 0)>;
def DOP : RegisterOperand<DRegs>;
def AND_OR : I<(outs DRegs:$dst), (ins DOP:$src0, DOP:$src1, DOP:$src2), []>;
def or_oneuse : PatFrag<
(ops node:$x, node:$y),
(or node:$x, node:$y), [{ return foo(); }]> {
let GISelPredicateCode = [{
return MRI.hasOneNonDBGUse(MI.getOperand(0).getReg());
}];
}
// FIXME: GISelPredicateCode ignored if DAG predicate not set.
def and_or_pat : PatFrag<
(ops node:$x, node:$y, node:$z),
(and (or node:$x, node:$y), node:$z), [{ return foo(); }]> {
let GISelPredicateCode = [{
return doesComplexCheck(MI);
}];
let PredicateCodeUsesOperands = 1;
}
// CHECK: GIM_Try, /*On fail goto*//*Label 0*/ 99, // Rule ID 6 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_AND,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/1, /*StoreIdx*/2, // Name : pred:3:z
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/2, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_OR,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:3:x
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:3:y
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_and_or_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (and:{ *:[i32] } DOP:{ *:[i32] }:$src2:$pred:3:z, (or:{ *:[i32] } DOP:{ *:[i32] }:$src0:$pred:3:x, DOP:{ *:[i32] }:$src1:$pred:3:y))<<P:3:Predicate_and_or_pat>> => (AND_OR:{ *:[i32] } DOP:{ *:[i32] }:$src0, DOP:{ *:[i32] }:$src1, DOP:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::AND_OR,
// CHECK: GIM_Try, /*On fail goto*//*Label 1*/ 198, // Rule ID 3 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_AND,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 1
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_OR,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:3:x
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/1, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:3:y
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/1, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/2, /*StoreIdx*/2, // Name : pred:3:z
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/2, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_and_or_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (and:{ *:[i32] } (or:{ *:[i32] } DOP:{ *:[i32] }:$src0:$pred:3:x, DOP:{ *:[i32] }:$src1:$pred:3:y), DOP:{ *:[i32] }:$src2:$pred:3:z)<<P:3:Predicate_and_or_pat>> => (AND_OR:{ *:[i32] } DOP:{ *:[i32] }:$src0, DOP:{ *:[i32] }:$src1, DOP:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::AND_OR,
// Test commutative, standalone pattern.
def : Pat<
(i32 (and_or_pat DOP:$src0, DOP:$src1, DOP:$src2)),
(AND_OR DOP:$src0, DOP:$src1, DOP:$src2)
>;
def sub3_pat : PatFrag<
(ops node:$x, node:$y, node:$z),
(sub (sub node:$x, node:$y), node:$z), [{ return foo(); }]> {
let GISelPredicateCode = [{
return doesComplexCheck(MI);
}];
let PredicateCodeUsesOperands = 1;
}
// CHECK: GIM_Try, /*On fail goto*//*Label 2*/ 285, // Rule ID 0 //
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_SUB,
// CHECK-NEXT: // MIs[0] dst
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_CheckRegBankForClass, /*MI*/0, /*Op*/0, /*RC*/Test::DRegsRegClassID,
// CHECK-NEXT: // MIs[0] Operand 1
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_SUB,
// CHECK-NEXT: // MIs[1] Operand 0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: // MIs[1] src0
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/1, /*StoreIdx*/0, // Name : pred:1:x
// CHECK-NEXT: // MIs[1] src1
// CHECK-NEXT: GIM_CheckType, /*MI*/1, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/1, /*Op*/2, /*StoreIdx*/1, // Name : pred:1:y
// CHECK-NEXT: // MIs[0] src2
// CHECK-NEXT: GIM_CheckType, /*MI*/0, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RecordNamedOperand, /*MI*/0, /*Op*/2, /*StoreIdx*/2, // Name : pred:1:z
// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIPFP_MI_Predicate_sub3_pat,
// CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
// CHECK-NEXT: // (sub:{ *:[i32] } (sub:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:1:x, i32:{ *:[i32] }:$src1:$pred:1:y), i32:{ *:[i32] }:$src2:$pred:1:z)<<P:1:Predicate_sub3_pat>> => (SUB3:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/MyTarget::SUB3,
// Test a non-commutative pattern.
def SUB3 : I<(outs DRegs:$dst),
(ins DOP:$src0, DOP:$src1, DOP:$src2),
[(set DRegs:$dst, (sub3_pat i32:$src0, i32:$src1, i32:$src2))]
>;
def patfrags_test_pat : PatFrags<
(ops node:$x, node:$y, node:$z),
[ (xor (add node:$x, node:$y), node:$z),
(xor (sub node:$x, node:$y), node:$z)
], [{ return foo(); }]> {
let GISelPredicateCode = [{
return doesComplexCheck(MI);
}];
let PredicateCodeUsesOperands = 1;
}
// CHECK: GIM_Try, /*On fail goto*//*Label 3*/ 372, // Rule ID 1 //
// CHECK: // (xor:{ *:[i32] } (add:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:2:x, i32:{ *:[i32] }:$src1:$pred:2:y), i32:{ *:[i32] }:$src2:$pred:2:z)<<P:2:Predicate_patfrags_test_pat>> => (PATFRAGS:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// CHECK: GIM_Try, /*On fail goto*//*Label 4*/ 459, // Rule ID 2 //
// CHECK: // (xor:{ *:[i32] } (sub:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:2:x, i32:{ *:[i32] }:$src1:$pred:2:y), i32:{ *:[i32] }:$src2:$pred:2:z)<<P:2:Predicate_patfrags_test_pat>> => (PATFRAGS:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// CHECK: GIM_Try, /*On fail goto*//*Label 5*/ 546, // Rule ID 4 //
// CHECK: // (xor:{ *:[i32] } i32:{ *:[i32] }:$src2:$pred:2:z, (add:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:2:x, i32:{ *:[i32] }:$src1:$pred:2:y))<<P:2:Predicate_patfrags_test_pat>> => (PATFRAGS:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// CHECK: GIM_Try, /*On fail goto*//*Label 6*/ 633, // Rule ID 5 //
// CHECK: // (xor:{ *:[i32] } i32:{ *:[i32] }:$src2:$pred:2:z, (sub:{ *:[i32] } i32:{ *:[i32] }:$src0:$pred:2:x, i32:{ *:[i32] }:$src1:$pred:2:y))<<P:2:Predicate_patfrags_test_pat>> => (PATFRAGS:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src1, i32:{ *:[i32] }:$src2)
// Test a commutative pattern using multiple patterns using PatFrags.
def PATFRAGS : I<(outs DRegs:$dst),
(ins DOP:$src0, DOP:$src1, DOP:$src2),
[(set DRegs:$dst, (patfrags_test_pat i32:$src0, i32:$src1, i32:$src2))]
>;
|
