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 17 namespace v8 { 18 namespace internal { 19 namespace 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. 24 class 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_ 131
