90c8932596
Our own ARRAY_SIZE() was pretty bad at error checking. If you use arrasize() in a wrong way, the compiler will issue an error instead of silently doing the wrong thing. The previous ARRAY_SIZE() macro is still available as ARRAYSIZE_UNSAFE() similar to Chrome. R=yangguo@chromium.org Review URL: https://codereview.chromium.org/501323002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23389 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
136 lines
5.2 KiB
C++
136 lines
5.2 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
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#define V8_CCTEST_COMPILER_VALUE_HELPER_H_
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#include "src/v8.h"
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#include "src/compiler/common-operator.h"
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#include "src/compiler/node.h"
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#include "src/compiler/node-matchers.h"
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#include "src/isolate.h"
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#include "src/objects.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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// A collection of utilities related to numerical and heap values, including
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// example input values of various types, including int32_t, uint32_t, double,
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// etc.
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class ValueHelper {
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public:
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Isolate* isolate_;
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ValueHelper() : isolate_(CcTest::InitIsolateOnce()) {}
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template <typename T>
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void CheckConstant(T expected, Node* node) {
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CHECK_EQ(expected, ValueOf<T>(node->op()));
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}
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void CheckFloat64Constant(double expected, Node* node) {
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CHECK_EQ(IrOpcode::kFloat64Constant, node->opcode());
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CHECK_EQ(expected, ValueOf<double>(node->op()));
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}
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void CheckNumberConstant(double expected, Node* node) {
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CHECK_EQ(IrOpcode::kNumberConstant, node->opcode());
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CHECK_EQ(expected, ValueOf<double>(node->op()));
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}
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void CheckInt32Constant(int32_t expected, Node* node) {
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CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
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CHECK_EQ(expected, ValueOf<int32_t>(node->op()));
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}
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void CheckUint32Constant(int32_t expected, Node* node) {
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CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
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CHECK_EQ(expected, ValueOf<uint32_t>(node->op()));
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}
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void CheckHeapConstant(Object* expected, Node* node) {
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CHECK_EQ(IrOpcode::kHeapConstant, node->opcode());
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CHECK_EQ(expected, *ValueOf<Handle<Object> >(node->op()));
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}
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void CheckTrue(Node* node) {
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CheckHeapConstant(isolate_->heap()->true_value(), node);
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}
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void CheckFalse(Node* node) {
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CheckHeapConstant(isolate_->heap()->false_value(), node);
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}
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static std::vector<double> float64_vector() {
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static const double nan = v8::base::OS::nan_value();
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static const double values[] = {
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0.125, 0.25, 0.375, 0.5,
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1.25, -1.75, 2, 5.125,
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6.25, 0.0, -0.0, 982983.25,
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888, 2147483647.0, -999.75, 3.1e7,
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-2e66, 3e-88, -2147483648.0, V8_INFINITY,
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-V8_INFINITY, nan, 2147483647.375, 2147483647.75,
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2147483648.0, 2147483648.25, 2147483649.25, -2147483647.0,
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-2147483647.125, -2147483647.875, -2147483648.25, -2147483649.5};
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return std::vector<double>(&values[0], &values[arraysize(values)]);
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}
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static const std::vector<int32_t> int32_vector() {
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std::vector<uint32_t> values = uint32_vector();
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return std::vector<int32_t>(values.begin(), values.end());
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}
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static const std::vector<uint32_t> uint32_vector() {
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static const uint32_t kValues[] = {
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0x00000000, 0x00000001, 0xffffffff, 0x1b09788b, 0x04c5fce8, 0xcc0de5bf,
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0x273a798e, 0x187937a3, 0xece3af83, 0x5495a16b, 0x0b668ecc, 0x11223344,
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0x0000009e, 0x00000043, 0x0000af73, 0x0000116b, 0x00658ecc, 0x002b3b4c,
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0x88776655, 0x70000000, 0x07200000, 0x7fffffff, 0x56123761, 0x7fffff00,
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0x761c4761, 0x80000000, 0x88888888, 0xa0000000, 0xdddddddd, 0xe0000000,
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0xeeeeeeee, 0xfffffffd, 0xf0000000, 0x007fffff, 0x003fffff, 0x001fffff,
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0x000fffff, 0x0007ffff, 0x0003ffff, 0x0001ffff, 0x0000ffff, 0x00007fff,
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0x00003fff, 0x00001fff, 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff};
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return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
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}
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static const std::vector<double> nan_vector(size_t limit = 0) {
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static const double nan = v8::base::OS::nan_value();
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static const double values[] = {-nan, -V8_INFINITY * -0.0,
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-V8_INFINITY * 0.0, V8_INFINITY * -0.0,
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V8_INFINITY * 0.0, nan};
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return std::vector<double>(&values[0], &values[arraysize(values)]);
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}
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static const std::vector<uint32_t> ror_vector() {
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static const uint32_t kValues[31] = {
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
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return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
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}
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};
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// Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
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// Watch out, these macros aren't hygenic; they pollute your scope. Thanks STL.
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#define FOR_INPUTS(ctype, itype, var) \
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std::vector<ctype> var##_vec = ValueHelper::itype##_vector(); \
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for (std::vector<ctype>::iterator var = var##_vec.begin(); \
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var != var##_vec.end(); ++var)
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#define FOR_INT32_INPUTS(var) FOR_INPUTS(int32_t, int32, var)
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#define FOR_UINT32_INPUTS(var) FOR_INPUTS(uint32_t, uint32, var)
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#define FOR_FLOAT64_INPUTS(var) FOR_INPUTS(double, float64, var)
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#define FOR_INT32_SHIFTS(var) for (int32_t var = 0; var < 32; var++)
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#define FOR_UINT32_SHIFTS(var) for (uint32_t var = 0; var < 32; var++)
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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#endif // V8_CCTEST_COMPILER_VALUE_HELPER_H_
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