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// 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.
#include "src/compiler/js-operator.h"
#include "src/compiler/opcodes.h"
#include "src/compiler/operator.h"
#include "src/compiler/operator-properties.h"
#include "test/unittests/test-utils.h"
namespace v8 {
namespace internal {
namespace compiler {
namespace {
const LanguageMode kLanguageModes[] = {SLOPPY, STRICT, STRONG};
#if GTEST_HAS_COMBINE
template <typename T>
class JSOperatorTestWithLanguageModeAndParam
: public TestWithZone,
public ::testing::WithParamInterface<::testing::tuple<LanguageMode, T>> {
protected:
LanguageMode language_mode() const {
return ::testing::get<0>(B::GetParam());
}
const T& GetParam() const { return ::testing::get<1>(B::GetParam()); }
private:
typedef ::testing::WithParamInterface<::testing::tuple<LanguageMode, T>> B;
};
#endif // GTEST_HAS_COMBINE
} // namespace
// -----------------------------------------------------------------------------
// Shared operators without language mode.
namespace {
struct SharedOperator {
const Operator* (JSOperatorBuilder::*constructor)();
IrOpcode::Value opcode;
Operator::Properties properties;
int value_input_count;
int frame_state_input_count;
int effect_input_count;
int control_input_count;
int value_output_count;
int effect_output_count;
int control_output_count;
};
const SharedOperator kSharedOperators[] = {
#define SHARED(Name, properties, value_input_count, frame_state_input_count, \
effect_input_count, control_input_count, value_output_count, \
effect_output_count, control_output_count) \
{ \
&JSOperatorBuilder::Name, IrOpcode::kJS##Name, properties, \
value_input_count, frame_state_input_count, effect_input_count, \
control_input_count, value_output_count, effect_output_count, \
control_output_count \
}
SHARED(Equal, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(NotEqual, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(StrictEqual, Operator::kNoThrow, 2, 0, 1, 1, 1, 1, 0),
SHARED(StrictNotEqual, Operator::kNoThrow, 2, 0, 1, 1, 1, 1, 0),
SHARED(UnaryNot, Operator::kEliminatable, 1, 0, 1, 0, 1, 1, 0),
SHARED(ToBoolean, Operator::kEliminatable, 1, 0, 1, 0, 1, 1, 0),
SHARED(ToNumber, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToString, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToName, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(ToObject, Operator::kNoProperties, 1, 1, 1, 1, 1, 1, 2),
SHARED(Yield, Operator::kNoProperties, 1, 0, 1, 1, 1, 1, 2),
SHARED(Create, Operator::kEliminatable, 0, 0, 1, 0, 1, 1, 0),
SHARED(HasProperty, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(TypeOf, Operator::kEliminatable, 1, 0, 1, 0, 1, 1, 0),
SHARED(InstanceOf, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(CreateWithContext, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
SHARED(CreateModuleContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
#undef SHARED
};
std::ostream& operator<<(std::ostream& os, const SharedOperator& sop) {
return os << IrOpcode::Mnemonic(sop.opcode);
}
} // namespace
class JSSharedOperatorTest
: public TestWithZone,
public ::testing::WithParamInterface<SharedOperator> {};
TEST_P(JSSharedOperatorTest, InstancesAreGloballyShared) {
const SharedOperator& sop = GetParam();
JSOperatorBuilder javascript1(zone());
JSOperatorBuilder javascript2(zone());
EXPECT_EQ((javascript1.*sop.constructor)(), (javascript2.*sop.constructor)());
}
TEST_P(JSSharedOperatorTest, NumberOfInputsAndOutputs) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
const int context_input_count = 1;
EXPECT_EQ(sop.value_input_count, op->ValueInputCount());
EXPECT_EQ(context_input_count, OperatorProperties::GetContextInputCount(op));
EXPECT_EQ(sop.frame_state_input_count,
OperatorProperties::GetFrameStateInputCount(op));
EXPECT_EQ(sop.effect_input_count, op->EffectInputCount());
EXPECT_EQ(sop.control_input_count, op->ControlInputCount());
EXPECT_EQ(sop.value_input_count + context_input_count +
sop.frame_state_input_count + sop.effect_input_count +
sop.control_input_count,
OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(sop.value_output_count, op->ValueOutputCount());
EXPECT_EQ(sop.effect_output_count, op->EffectOutputCount());
EXPECT_EQ(sop.control_output_count, op->ControlOutputCount());
}
TEST_P(JSSharedOperatorTest, OpcodeIsCorrect) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
EXPECT_EQ(sop.opcode, op->opcode());
}
TEST_P(JSSharedOperatorTest, Properties) {
JSOperatorBuilder javascript(zone());
const SharedOperator& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)();
EXPECT_EQ(sop.properties, op->properties());
}
INSTANTIATE_TEST_CASE_P(JSOperatorTest, JSSharedOperatorTest,
::testing::ValuesIn(kSharedOperators));
// -----------------------------------------------------------------------------
// Shared operators with language mode.
#if GTEST_HAS_COMBINE
namespace {
struct SharedOperatorWithLanguageMode {
const Operator* (JSOperatorBuilder::*constructor)(LanguageMode);
IrOpcode::Value opcode;
Operator::Properties properties;
int value_input_count;
int frame_state_input_count;
int effect_input_count;
int control_input_count;
int value_output_count;
int effect_output_count;
int control_output_count;
};
const SharedOperatorWithLanguageMode kSharedOperatorsWithLanguageMode[] = {
#define SHARED(Name, properties, value_input_count, frame_state_input_count, \
effect_input_count, control_input_count, value_output_count, \
effect_output_count, control_output_count) \
{ \
&JSOperatorBuilder::Name, IrOpcode::kJS##Name, properties, \
value_input_count, frame_state_input_count, effect_input_count, \
control_input_count, value_output_count, effect_output_count, \
control_output_count \
}
SHARED(LessThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(GreaterThan, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(LessThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(GreaterThanOrEqual, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(BitwiseOr, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(BitwiseXor, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(BitwiseAnd, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(ShiftLeft, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(ShiftRight, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(ShiftRightLogical, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(Add, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(Subtract, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(Multiply, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(Divide, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
SHARED(Modulus, Operator::kNoProperties, 2, 2, 1, 1, 1, 1, 2),
#undef SHARED
};
std::ostream& operator<<(std::ostream& os,
const SharedOperatorWithLanguageMode& sop) {
return os << IrOpcode::Mnemonic(sop.opcode);
}
} // namespace
class JSSharedOperatorWithLanguageModeTest
: public JSOperatorTestWithLanguageModeAndParam<
SharedOperatorWithLanguageMode> {};
TEST_P(JSSharedOperatorWithLanguageModeTest, InstancesAreGloballyShared) {
const SharedOperatorWithLanguageMode& sop = GetParam();
JSOperatorBuilder javascript1(zone());
JSOperatorBuilder javascript2(zone());
EXPECT_EQ((javascript1.*sop.constructor)(language_mode()),
(javascript2.*sop.constructor)(language_mode()));
}
TEST_P(JSSharedOperatorWithLanguageModeTest, NumberOfInputsAndOutputs) {
JSOperatorBuilder javascript(zone());
const SharedOperatorWithLanguageMode& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)(language_mode());
const int context_input_count = 1;
EXPECT_EQ(sop.value_input_count, op->ValueInputCount());
EXPECT_EQ(context_input_count, OperatorProperties::GetContextInputCount(op));
EXPECT_EQ(sop.frame_state_input_count,
OperatorProperties::GetFrameStateInputCount(op));
EXPECT_EQ(sop.effect_input_count, op->EffectInputCount());
EXPECT_EQ(sop.control_input_count, op->ControlInputCount());
EXPECT_EQ(sop.value_input_count + context_input_count +
sop.frame_state_input_count + sop.effect_input_count +
sop.control_input_count,
OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(sop.value_output_count, op->ValueOutputCount());
EXPECT_EQ(sop.effect_output_count, op->EffectOutputCount());
EXPECT_EQ(sop.control_output_count, op->ControlOutputCount());
}
TEST_P(JSSharedOperatorWithLanguageModeTest, OpcodeIsCorrect) {
JSOperatorBuilder javascript(zone());
const SharedOperatorWithLanguageMode& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)(language_mode());
EXPECT_EQ(sop.opcode, op->opcode());
}
TEST_P(JSSharedOperatorWithLanguageModeTest, Parameter) {
JSOperatorBuilder javascript(zone());
const SharedOperatorWithLanguageMode& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)(language_mode());
EXPECT_EQ(language_mode(), OpParameter<LanguageMode>(op));
}
TEST_P(JSSharedOperatorWithLanguageModeTest, Properties) {
JSOperatorBuilder javascript(zone());
const SharedOperatorWithLanguageMode& sop = GetParam();
const Operator* op = (javascript.*sop.constructor)(language_mode());
EXPECT_EQ(sop.properties, op->properties());
}
INSTANTIATE_TEST_CASE_P(
JSOperatorTest, JSSharedOperatorWithLanguageModeTest,
::testing::Combine(::testing::ValuesIn(kLanguageModes),
::testing::ValuesIn(kSharedOperatorsWithLanguageMode)));
#endif // GTEST_HAS_COMBINE
} // namespace compiler
} // namespace internal
} // namespace v8
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