1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
6 #define V8_CCTEST_COMPILER_VALUE_HELPER_H_
10 #include "src/compiler/common-operator.h"
11 #include "src/compiler/node.h"
12 #include "src/compiler/node-matchers.h"
13 #include "src/isolate.h"
14 #include "src/objects.h"
15 #include "test/cctest/cctest.h"
21 // A collection of utilities related to numerical and heap values, including
22 // example input values of various types, including int32_t, uint32_t, double,
28 ValueHelper() : isolate_(CcTest::InitIsolateOnce()) {}
31 void CheckConstant(T expected, Node* node) {
32 CHECK_EQ(expected, ValueOf<T>(node->op()));
35 void CheckFloat64Constant(double expected, Node* node) {
36 CHECK_EQ(IrOpcode::kFloat64Constant, node->opcode());
37 CHECK_EQ(expected, ValueOf<double>(node->op()));
40 void CheckNumberConstant(double expected, Node* node) {
41 CHECK_EQ(IrOpcode::kNumberConstant, node->opcode());
42 CHECK_EQ(expected, ValueOf<double>(node->op()));
45 void CheckInt32Constant(int32_t expected, Node* node) {
46 CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
47 CHECK_EQ(expected, ValueOf<int32_t>(node->op()));
50 void CheckUint32Constant(int32_t expected, Node* node) {
51 CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
52 CHECK_EQ(expected, ValueOf<uint32_t>(node->op()));
55 void CheckHeapConstant(Object* expected, Node* node) {
56 CHECK_EQ(IrOpcode::kHeapConstant, node->opcode());
57 CHECK_EQ(expected, *ValueOf<Handle<Object> >(node->op()));
60 void CheckTrue(Node* node) {
61 CheckHeapConstant(isolate_->heap()->true_value(), node);
64 void CheckFalse(Node* node) {
65 CheckHeapConstant(isolate_->heap()->false_value(), node);
68 static std::vector<double> float64_vector() {
69 static const double nan = v8::base::OS::nan_value();
70 static const double values[] = {
71 0.125, 0.25, 0.375, 0.5,
72 1.25, -1.75, 2, 5.125,
73 6.25, 0.0, -0.0, 982983.25,
74 888, 2147483647.0, -999.75, 3.1e7,
75 -2e66, 3e-88, -2147483648.0, V8_INFINITY,
76 -V8_INFINITY, nan, 2147483647.375, 2147483647.75,
77 2147483648.0, 2147483648.25, 2147483649.25, -2147483647.0,
78 -2147483647.125, -2147483647.875, -2147483648.25, -2147483649.5};
79 return std::vector<double>(&values[0], &values[ARRAY_SIZE(values)]);
82 static const std::vector<int32_t> int32_vector() {
83 std::vector<uint32_t> values = uint32_vector();
84 return std::vector<int32_t>(values.begin(), values.end());
87 static const std::vector<uint32_t> uint32_vector() {
88 static const uint32_t kValues[] = {
89 0x00000000, 0x00000001, 0xffffffff, 0x1b09788b, 0x04c5fce8, 0xcc0de5bf,
90 0x273a798e, 0x187937a3, 0xece3af83, 0x5495a16b, 0x0b668ecc, 0x11223344,
91 0x0000009e, 0x00000043, 0x0000af73, 0x0000116b, 0x00658ecc, 0x002b3b4c,
92 0x88776655, 0x70000000, 0x07200000, 0x7fffffff, 0x56123761, 0x7fffff00,
93 0x761c4761, 0x80000000, 0x88888888, 0xa0000000, 0xdddddddd, 0xe0000000,
94 0xeeeeeeee, 0xfffffffd, 0xf0000000, 0x007fffff, 0x003fffff, 0x001fffff,
95 0x000fffff, 0x0007ffff, 0x0003ffff, 0x0001ffff, 0x0000ffff, 0x00007fff,
96 0x00003fff, 0x00001fff, 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff};
97 return std::vector<uint32_t>(&kValues[0], &kValues[ARRAY_SIZE(kValues)]);
100 static const std::vector<double> nan_vector(size_t limit = 0) {
101 static const double nan = v8::base::OS::nan_value();
102 static const double values[] = {-nan, -V8_INFINITY * -0.0,
103 -V8_INFINITY * 0.0, V8_INFINITY * -0.0,
104 V8_INFINITY * 0.0, nan};
105 return std::vector<double>(&values[0], &values[ARRAY_SIZE(values)]);
108 static const std::vector<uint32_t> ror_vector() {
109 static const uint32_t kValues[31] = {
110 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
111 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
112 return std::vector<uint32_t>(&kValues[0], &kValues[ARRAY_SIZE(kValues)]);
116 // Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
117 // Watch out, these macros aren't hygenic; they pollute your scope. Thanks STL.
118 #define FOR_INPUTS(ctype, itype, var) \
119 std::vector<ctype> var##_vec = ValueHelper::itype##_vector(); \
120 for (std::vector<ctype>::iterator var = var##_vec.begin(); \
121 var != var##_vec.end(); ++var)
123 #define FOR_INT32_INPUTS(var) FOR_INPUTS(int32_t, int32, var)
124 #define FOR_UINT32_INPUTS(var) FOR_INPUTS(uint32_t, uint32, var)
125 #define FOR_FLOAT64_INPUTS(var) FOR_INPUTS(double, float64, var)
127 } // namespace compiler
128 } // namespace internal
131 #endif // V8_CCTEST_COMPILER_VALUE_HELPER_H_