chromium/v8/test/cctest/compiler/codegen-tester.h

// 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.

#ifndef V8_CCTEST_COMPILER_CODEGEN_TESTER_H_
#define V8_CCTEST_COMPILER_CODEGEN_TESTER_H_

#include "src/codegen/assembler.h"
#include "src/codegen/optimized-compilation-info.h"
#include "src/compiler/backend/instruction-selector.h"
#include "src/compiler/pipeline.h"
#include "src/compiler/raw-machine-assembler.h"
#include "src/objects/code-inl.h"
#include "test/cctest/cctest.h"
#include "test/common/call-tester.h"

namespace v8 {
namespace internal {
namespace compiler {

template <typename ReturnType>
class RawMachineAssemblerTester : public HandleAndZoneScope,
                                  public CallHelper<ReturnType>,
                                  public RawMachineAssembler { … };

template <typename ReturnType>
class BufferedRawMachineAssemblerTester
    : public RawMachineAssemblerTester<int32_t> { … };

template <>
class BufferedRawMachineAssemblerTester<void>
    : public RawMachineAssemblerTester<void> { … };

static const bool USE_RESULT_BUFFER = …;
static const bool USE_RETURN_REGISTER = …;
static const int32_t CHECK_VALUE = …;

// TODO(titzer): use the C-style calling convention, or any register-based
// calling convention for binop tests.
template <typename CType, bool use_result_buffer>
class BinopTester { … };

// A helper class for testing code sequences that take two int parameters and
// return an int value.
class Int32BinopTester : public BinopTester<int32_t, USE_RETURN_REGISTER> { … };

// A helper class for testing code sequences that take two int parameters and
// return an int value.
class Int64BinopTester : public BinopTester<int64_t, USE_RETURN_REGISTER> { … };

// A helper class for testing code sequences that take two uint parameters and
// return an uint value.
class Uint32BinopTester : public BinopTester<uint32_t, USE_RETURN_REGISTER> { … };

// A helper class for testing code sequences that take two float parameters and
// return a float value.
class Float32BinopTester : public BinopTester<float, USE_RESULT_BUFFER> { … };

// A helper class for testing code sequences that take two double parameters and
// return a double value.
class Float64BinopTester : public BinopTester<double, USE_RESULT_BUFFER> { … };

// A helper class for testing code sequences that take two pointer parameters
// and return a pointer value.
// TODO(titzer): pick word size of pointers based on V8_TARGET.
template <typename Type>
class PointerBinopTester : public BinopTester<Type, USE_RETURN_REGISTER> { … };

// A helper class for testing code sequences that take two tagged parameters and
// return a tagged value.
template <typename Type>
class TaggedBinopTester : public BinopTester<Type, USE_RETURN_REGISTER> { … };

// A helper class for integer binary operations. Wraps a machine opcode and
// provides evaluation routines and the operators.
template <typename T>
class IntBinopWrapper { … };

// A helper class for testing compares. Wraps a machine opcode and provides
// evaluation routines and the operators.
class CompareWrapper { … };

// A small closure class to generate code for a function of two inputs that
// produces a single output so that it can be used in many different contexts.
// The {expected()} method should compute the expected output for a given
// pair of inputs.
template <typename T>
class BinopGen { … };

// A helper class to generate various combination of input shape combinations
// and run the generated code to ensure it produces the correct results.
class Int32BinopInputShapeTester { … };
}  // namespace compiler
}  // namespace internal
}  // namespace v8

#endif  // V8_CCTEST_COMPILER_CODEGEN_TESTER_H_