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gerrit-public.fairphone.software / fp2-dev / platform / external / v8 / b8a8cc1952d61a2f3a2568848933943a543b5d3e / . / test / cctest / compiler / value-helper.h
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Ben Murdochb8a8cc12014-11-26 15:28:44 +0000[diff] [blame^]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.
4
5#ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
6#define V8_CCTEST_COMPILER_VALUE_HELPER_H_
7
8#include "src/v8.h"
9
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"
16
17namespace v8 {
18namespace internal {
19namespace compiler {
20
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,
23// etc.
24class ValueHelper {
25 public:
26 Isolate* isolate_;
27
28 ValueHelper() : isolate_(CcTest::InitIsolateOnce()) {}
29
30 void CheckFloat64Constant(double expected, Node* node) {
31 CHECK_EQ(IrOpcode::kFloat64Constant, node->opcode());
32 CHECK_EQ(expected, OpParameter<double>(node));
33 }
34
35 void CheckNumberConstant(double expected, Node* node) {
36 CHECK_EQ(IrOpcode::kNumberConstant, node->opcode());
37 CHECK_EQ(expected, OpParameter<double>(node));
38 }
39
40 void CheckInt32Constant(int32_t expected, Node* node) {
41 CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
42 CHECK_EQ(expected, OpParameter<int32_t>(node));
43 }
44
45 void CheckUint32Constant(int32_t expected, Node* node) {
46 CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
47 CHECK_EQ(expected, OpParameter<uint32_t>(node));
48 }
49
50 void CheckHeapConstant(Object* expected, Node* node) {
51 CHECK_EQ(IrOpcode::kHeapConstant, node->opcode());
52 CHECK_EQ(expected, *OpParameter<Unique<Object> >(node).handle());
53 }
54
55 void CheckTrue(Node* node) {
56 CheckHeapConstant(isolate_->heap()->true_value(), node);
57 }
58
59 void CheckFalse(Node* node) {
60 CheckHeapConstant(isolate_->heap()->false_value(), node);
61 }
62
63 static std::vector<double> float64_vector() {
64 static const double nan = v8::base::OS::nan_value();
65 static const double values[] = {
66 0.125, 0.25, 0.375, 0.5,
67 1.25, -1.75, 2, 5.125,
68 6.25, 0.0, -0.0, 982983.25,
69 888, 2147483647.0, -999.75, 3.1e7,
70 -2e66, 3e-88, -2147483648.0, V8_INFINITY,
71 -V8_INFINITY, nan, 2147483647.375, 2147483647.75,
72 2147483648.0, 2147483648.25, 2147483649.25, -2147483647.0,
73 -2147483647.125, -2147483647.875, -2147483648.25, -2147483649.5};
74 return std::vector<double>(&values[0], &values[arraysize(values)]);
75 }
76
77 static const std::vector<int32_t> int32_vector() {
78 std::vector<uint32_t> values = uint32_vector();
79 return std::vector<int32_t>(values.begin(), values.end());
80 }
81
82 static const std::vector<uint32_t> uint32_vector() {
83 static const uint32_t kValues[] = {
84 0x00000000, 0x00000001, 0xffffffff, 0x1b09788b, 0x04c5fce8, 0xcc0de5bf,
85 0x273a798e, 0x187937a3, 0xece3af83, 0x5495a16b, 0x0b668ecc, 0x11223344,
86 0x0000009e, 0x00000043, 0x0000af73, 0x0000116b, 0x00658ecc, 0x002b3b4c,
87 0x88776655, 0x70000000, 0x07200000, 0x7fffffff, 0x56123761, 0x7fffff00,
88 0x761c4761, 0x80000000, 0x88888888, 0xa0000000, 0xdddddddd, 0xe0000000,
89 0xeeeeeeee, 0xfffffffd, 0xf0000000, 0x007fffff, 0x003fffff, 0x001fffff,
90 0x000fffff, 0x0007ffff, 0x0003ffff, 0x0001ffff, 0x0000ffff, 0x00007fff,
91 0x00003fff, 0x00001fff, 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff};
92 return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
93 }
94
95 static const std::vector<double> nan_vector(size_t limit = 0) {
96 static const double nan = v8::base::OS::nan_value();
97 static const double values[] = {-nan, -V8_INFINITY * -0.0,
98 -V8_INFINITY * 0.0, V8_INFINITY * -0.0,
99 V8_INFINITY * 0.0, nan};
100 return std::vector<double>(&values[0], &values[arraysize(values)]);
101 }
102
103 static const std::vector<uint32_t> ror_vector() {
104 static const uint32_t kValues[31] = {
105 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
106 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
107 return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
108 }
109};
110
111// Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
112// Watch out, these macros aren't hygenic; they pollute your scope. Thanks STL.
113#define FOR_INPUTS(ctype, itype, var) \
114 std::vector<ctype> var##_vec = ValueHelper::itype##_vector(); \
115 for (std::vector<ctype>::iterator var = var##_vec.begin(); \
116 var != var##_vec.end(); ++var)
117
118#define FOR_INT32_INPUTS(var) FOR_INPUTS(int32_t, int32, var)
119#define FOR_UINT32_INPUTS(var) FOR_INPUTS(uint32_t, uint32, var)
120#define FOR_FLOAT64_INPUTS(var) FOR_INPUTS(double, float64, var)
121
122#define FOR_INT32_SHIFTS(var) for (int32_t var = 0; var < 32; var++)
123
124#define FOR_UINT32_SHIFTS(var) for (uint32_t var = 0; var < 32; var++)
125
126} // namespace compiler
127} // namespace internal
128} // namespace v8
129
130#endif // V8_CCTEST_COMPILER_VALUE_HELPER_H_