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
|
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/compiler/js-operator.h"
#include "src/compiler/opcodes.h"
#include "src/compiler/operator.h"
#include "src/compiler/operator-properties.h"
#include "test/unittests/test-utils.h"
namespace v8 {
namespace internal {
namespace compiler {
// -----------------------------------------------------------------------------
// Shared operators.
namespace {
struct SharedOperator {
const Operator* (JSOperatorBuilder::*constructor)();
IrOpcode::Value opcode;
Operator::Properties properties;
int value_input_count;
int frame_state_input_count;
int effect_input_count;
int control_input_count;
int value_output_count;
int effect_output_count;
int control_output_count;
};
const SharedOperator kSharedOperators[] = {
#define SHARED(Name, properties, value_input_count, frame_state_input_count, \
effect_input_count, control_input_count, value_output_count, \
effect_output_count, control_output_count) \
{ \
&JSOperatorBuilder::Name, IrOpcode::kJS##Name, properties, \
value_input_count, frame_state_input_count, effect_input_count, \
control_input_count, value_output_count, effect_output_count, \
control_output_count \
}
SHARED(Equal, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(NotEqual, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(StrictEqual, Operator::kNoThrow, 2, 0, 1, 1, 1, 1, 0),
SHARED(StrictNotEqual, Operator::kNoThrow, 2, 0, 1, 1, 1, 1, 0),
SHARED(LessThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(GreaterThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(LessThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(GreaterThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(ToNumber, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToString, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToName, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToObject, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(Yield, Operator::kNoProperties, 1, 0, 1, 1, 1, 1, 2),
SHARED(Create, Operator::kEliminatable, 2, 1, 1, 0, 1, 1, 0),
SHARED(HasProperty, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(TypeOf, Operator::kEliminatable, 1, 0, 1, 0, 1, 1, 0),
SHARED(InstanceOf, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(CreateWithContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
SHARED(CreateModuleContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
#undef SHARED
};
std::ostream& operator<<(std::ostream& os, const SharedOperator& sop) {
return os << IrOpcode::Mnemonic(sop.opcode);
}
} // namespace
class JSSharedOperatorTest
: public TestWithZone,
public ::testing::WithParamInterface<SharedOperator> {};
TEST_P(JSSharedOperatorTest, InstancesAreGloballyShared) {
const SharedOperator& sop = GetParam();
JSOperatorBuilder javascript1(zone());
JSOperatorBuilder javascript2(zone());
EXPECT_EQ((javascript1.*sop.constructor)(), (javascript2.*sop.constructor)());
}
TEST_P(JSSharedOperatorTest, NumberOfInputsAndOutputs) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
const int context_input_count = 1;
EXPECT_EQ(sop.value_input_count, op->ValueInputCount());
EXPECT_EQ(context_input_count, OperatorProperties::GetContextInputCount(op));
EXPECT_EQ(sop.frame_state_input_count,
OperatorProperties::GetFrameStateInputCount(op));
EXPECT_EQ(sop.effect_input_count, op->EffectInputCount());
EXPECT_EQ(sop.control_input_count, op->ControlInputCount());
EXPECT_EQ(sop.value_input_count + context_input_count +
sop.frame_state_input_count + sop.effect_input_count +
sop.control_input_count,
OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(sop.value_output_count, op->ValueOutputCount());
EXPECT_EQ(sop.effect_output_count, op->EffectOutputCount());
EXPECT_EQ(sop.control_output_count, op->ControlOutputCount());
}
TEST_P(JSSharedOperatorTest, OpcodeIsCorrect) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
EXPECT_EQ(sop.opcode, op->opcode());
}
TEST_P(JSSharedOperatorTest, Properties) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
EXPECT_EQ(sop.properties, op->properties());
}
INSTANTIATE_TEST_CASE_P(JSOperatorTest, JSSharedOperatorTest,
::testing::ValuesIn(kSharedOperators));
} // namespace compiler
} // namespace internal
} // namespace v8
|
