6b2001b6b7
Avoid the hacking in JSIntrinsicLowering and provide a proper simplified operator ObjectIsReceiver instead that is used to implement %_IsJSReceiver which is used by our JavaScript builtins and the JSInliner. R=jarin@chromium.org BUG=v8:4544 LOG=n Review URL: https://codereview.chromium.org/1657863004 Cr-Commit-Position: refs/heads/master@{#33675}
295 lines
10 KiB
C++
295 lines
10 KiB
C++
// 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/opcodes.h"
|
|
#include "src/compiler/operator.h"
|
|
#include "src/compiler/operator-properties.h"
|
|
#include "src/compiler/simplified-operator.h"
|
|
#include "src/types.h"
|
|
#include "test/unittests/test-utils.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
namespace compiler {
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Pure operators.
|
|
|
|
|
|
namespace {
|
|
|
|
struct PureOperator {
|
|
const Operator* (SimplifiedOperatorBuilder::*constructor)();
|
|
IrOpcode::Value opcode;
|
|
Operator::Properties properties;
|
|
int value_input_count;
|
|
};
|
|
|
|
|
|
std::ostream& operator<<(std::ostream& os, const PureOperator& pop) {
|
|
return os << IrOpcode::Mnemonic(pop.opcode);
|
|
}
|
|
|
|
|
|
const PureOperator kPureOperators[] = {
|
|
#define PURE(Name, properties, input_count) \
|
|
{ \
|
|
&SimplifiedOperatorBuilder::Name, IrOpcode::k##Name, \
|
|
Operator::kPure | properties, input_count \
|
|
}
|
|
PURE(BooleanNot, Operator::kNoProperties, 1),
|
|
PURE(BooleanToNumber, Operator::kNoProperties, 1),
|
|
PURE(NumberEqual, Operator::kCommutative, 2),
|
|
PURE(NumberLessThan, Operator::kNoProperties, 2),
|
|
PURE(NumberLessThanOrEqual, Operator::kNoProperties, 2),
|
|
PURE(NumberAdd, Operator::kCommutative, 2),
|
|
PURE(NumberSubtract, Operator::kNoProperties, 2),
|
|
PURE(NumberMultiply, Operator::kCommutative, 2),
|
|
PURE(NumberDivide, Operator::kNoProperties, 2),
|
|
PURE(NumberModulus, Operator::kNoProperties, 2),
|
|
PURE(NumberBitwiseOr, Operator::kCommutative, 2),
|
|
PURE(NumberBitwiseXor, Operator::kCommutative, 2),
|
|
PURE(NumberBitwiseAnd, Operator::kCommutative, 2),
|
|
PURE(NumberShiftLeft, Operator::kNoProperties, 2),
|
|
PURE(NumberShiftRight, Operator::kNoProperties, 2),
|
|
PURE(NumberShiftRightLogical, Operator::kNoProperties, 2),
|
|
PURE(NumberToInt32, Operator::kNoProperties, 1),
|
|
PURE(NumberToUint32, Operator::kNoProperties, 1),
|
|
PURE(PlainPrimitiveToNumber, Operator::kNoProperties, 1),
|
|
PURE(ChangeTaggedToInt32, Operator::kNoProperties, 1),
|
|
PURE(ChangeTaggedToUint32, Operator::kNoProperties, 1),
|
|
PURE(ChangeTaggedToFloat64, Operator::kNoProperties, 1),
|
|
PURE(ChangeInt32ToTagged, Operator::kNoProperties, 1),
|
|
PURE(ChangeUint32ToTagged, Operator::kNoProperties, 1),
|
|
PURE(ChangeFloat64ToTagged, Operator::kNoProperties, 1),
|
|
PURE(ChangeBoolToBit, Operator::kNoProperties, 1),
|
|
PURE(ChangeBitToBool, Operator::kNoProperties, 1),
|
|
PURE(ObjectIsNumber, Operator::kNoProperties, 1),
|
|
PURE(ObjectIsReceiver, Operator::kNoProperties, 1),
|
|
PURE(ObjectIsSmi, Operator::kNoProperties, 1)
|
|
#undef PURE
|
|
};
|
|
|
|
} // namespace
|
|
|
|
|
|
class SimplifiedPureOperatorTest
|
|
: public TestWithZone,
|
|
public ::testing::WithParamInterface<PureOperator> {};
|
|
|
|
|
|
TEST_P(SimplifiedPureOperatorTest, InstancesAreGloballyShared) {
|
|
const PureOperator& pop = GetParam();
|
|
SimplifiedOperatorBuilder simplified1(zone());
|
|
SimplifiedOperatorBuilder simplified2(zone());
|
|
EXPECT_EQ((simplified1.*pop.constructor)(), (simplified2.*pop.constructor)());
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedPureOperatorTest, NumberOfInputsAndOutputs) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
const PureOperator& pop = GetParam();
|
|
const Operator* op = (simplified.*pop.constructor)();
|
|
|
|
EXPECT_EQ(pop.value_input_count, op->ValueInputCount());
|
|
EXPECT_EQ(0, op->EffectInputCount());
|
|
EXPECT_EQ(0, op->ControlInputCount());
|
|
EXPECT_EQ(pop.value_input_count, OperatorProperties::GetTotalInputCount(op));
|
|
|
|
EXPECT_EQ(1, op->ValueOutputCount());
|
|
EXPECT_EQ(0, op->EffectOutputCount());
|
|
EXPECT_EQ(0, op->ControlOutputCount());
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedPureOperatorTest, OpcodeIsCorrect) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
const PureOperator& pop = GetParam();
|
|
const Operator* op = (simplified.*pop.constructor)();
|
|
EXPECT_EQ(pop.opcode, op->opcode());
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedPureOperatorTest, Properties) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
const PureOperator& pop = GetParam();
|
|
const Operator* op = (simplified.*pop.constructor)();
|
|
EXPECT_EQ(pop.properties, op->properties() & pop.properties);
|
|
}
|
|
|
|
INSTANTIATE_TEST_CASE_P(SimplifiedOperatorTest, SimplifiedPureOperatorTest,
|
|
::testing::ValuesIn(kPureOperators));
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Buffer access operators.
|
|
|
|
|
|
namespace {
|
|
|
|
const ExternalArrayType kExternalArrayTypes[] = {
|
|
kExternalUint8Array, kExternalInt8Array, kExternalUint16Array,
|
|
kExternalInt16Array, kExternalUint32Array, kExternalInt32Array,
|
|
kExternalFloat32Array, kExternalFloat64Array};
|
|
|
|
} // namespace
|
|
|
|
|
|
class SimplifiedBufferAccessOperatorTest
|
|
: public TestWithZone,
|
|
public ::testing::WithParamInterface<ExternalArrayType> {};
|
|
|
|
|
|
TEST_P(SimplifiedBufferAccessOperatorTest, InstancesAreGloballyShared) {
|
|
BufferAccess const access(GetParam());
|
|
SimplifiedOperatorBuilder simplified1(zone());
|
|
SimplifiedOperatorBuilder simplified2(zone());
|
|
EXPECT_EQ(simplified1.LoadBuffer(access), simplified2.LoadBuffer(access));
|
|
EXPECT_EQ(simplified1.StoreBuffer(access), simplified2.StoreBuffer(access));
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedBufferAccessOperatorTest, LoadBuffer) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
BufferAccess const access(GetParam());
|
|
const Operator* op = simplified.LoadBuffer(access);
|
|
|
|
EXPECT_EQ(IrOpcode::kLoadBuffer, op->opcode());
|
|
EXPECT_EQ(Operator::kNoThrow | Operator::kNoWrite, op->properties());
|
|
EXPECT_EQ(access, BufferAccessOf(op));
|
|
|
|
EXPECT_EQ(3, op->ValueInputCount());
|
|
EXPECT_EQ(1, op->EffectInputCount());
|
|
EXPECT_EQ(1, op->ControlInputCount());
|
|
EXPECT_EQ(5, OperatorProperties::GetTotalInputCount(op));
|
|
|
|
EXPECT_EQ(1, op->ValueOutputCount());
|
|
EXPECT_EQ(1, op->EffectOutputCount());
|
|
EXPECT_EQ(0, op->ControlOutputCount());
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedBufferAccessOperatorTest, StoreBuffer) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
BufferAccess const access(GetParam());
|
|
const Operator* op = simplified.StoreBuffer(access);
|
|
|
|
EXPECT_EQ(IrOpcode::kStoreBuffer, op->opcode());
|
|
EXPECT_EQ(Operator::kNoRead | Operator::kNoThrow, op->properties());
|
|
EXPECT_EQ(access, BufferAccessOf(op));
|
|
|
|
EXPECT_EQ(4, op->ValueInputCount());
|
|
EXPECT_EQ(1, op->EffectInputCount());
|
|
EXPECT_EQ(1, op->ControlInputCount());
|
|
EXPECT_EQ(6, OperatorProperties::GetTotalInputCount(op));
|
|
|
|
EXPECT_EQ(0, op->ValueOutputCount());
|
|
EXPECT_EQ(1, op->EffectOutputCount());
|
|
EXPECT_EQ(0, op->ControlOutputCount());
|
|
}
|
|
|
|
|
|
INSTANTIATE_TEST_CASE_P(SimplifiedOperatorTest,
|
|
SimplifiedBufferAccessOperatorTest,
|
|
::testing::ValuesIn(kExternalArrayTypes));
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Element access operators.
|
|
|
|
|
|
namespace {
|
|
|
|
const ElementAccess kElementAccesses[] = {
|
|
{kTaggedBase, FixedArray::kHeaderSize, Type::Any(),
|
|
MachineType::AnyTagged()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Int8()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Int16()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Int32()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Uint8()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Uint16()},
|
|
{kUntaggedBase, 0, Type::Any(), MachineType::Uint32()},
|
|
{kUntaggedBase, 0, Type::Signed32(), MachineType::Int8()},
|
|
{kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint8()},
|
|
{kUntaggedBase, 0, Type::Signed32(), MachineType::Int16()},
|
|
{kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint16()},
|
|
{kUntaggedBase, 0, Type::Signed32(), MachineType::Int32()},
|
|
{kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint32()},
|
|
{kUntaggedBase, 0, Type::Number(),
|
|
MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)},
|
|
{kUntaggedBase, 0, Type::Number(),
|
|
MachineType(MachineRepresentation::kFloat64, MachineSemantic::kNone)},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
|
|
MachineType::Int8()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
|
|
MachineType::Uint8()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
|
|
MachineType::Int16()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
|
|
MachineType::Uint16()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
|
|
MachineType::Int32()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
|
|
MachineType::Uint32()},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Number(),
|
|
MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)},
|
|
{kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Number(),
|
|
MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)}};
|
|
|
|
} // namespace
|
|
|
|
|
|
class SimplifiedElementAccessOperatorTest
|
|
: public TestWithZone,
|
|
public ::testing::WithParamInterface<ElementAccess> {};
|
|
|
|
|
|
TEST_P(SimplifiedElementAccessOperatorTest, LoadElement) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
const ElementAccess& access = GetParam();
|
|
const Operator* op = simplified.LoadElement(access);
|
|
|
|
EXPECT_EQ(IrOpcode::kLoadElement, op->opcode());
|
|
EXPECT_EQ(Operator::kNoThrow | Operator::kNoWrite, op->properties());
|
|
EXPECT_EQ(access, ElementAccessOf(op));
|
|
|
|
EXPECT_EQ(2, op->ValueInputCount());
|
|
EXPECT_EQ(1, op->EffectInputCount());
|
|
EXPECT_EQ(1, op->ControlInputCount());
|
|
EXPECT_EQ(4, OperatorProperties::GetTotalInputCount(op));
|
|
|
|
EXPECT_EQ(1, op->ValueOutputCount());
|
|
EXPECT_EQ(1, op->EffectOutputCount());
|
|
EXPECT_EQ(0, op->ControlOutputCount());
|
|
}
|
|
|
|
|
|
TEST_P(SimplifiedElementAccessOperatorTest, StoreElement) {
|
|
SimplifiedOperatorBuilder simplified(zone());
|
|
const ElementAccess& access = GetParam();
|
|
const Operator* op = simplified.StoreElement(access);
|
|
|
|
EXPECT_EQ(IrOpcode::kStoreElement, op->opcode());
|
|
EXPECT_EQ(Operator::kNoRead | Operator::kNoThrow, op->properties());
|
|
EXPECT_EQ(access, ElementAccessOf(op));
|
|
|
|
EXPECT_EQ(3, op->ValueInputCount());
|
|
EXPECT_EQ(1, op->EffectInputCount());
|
|
EXPECT_EQ(1, op->ControlInputCount());
|
|
EXPECT_EQ(5, OperatorProperties::GetTotalInputCount(op));
|
|
|
|
EXPECT_EQ(0, op->ValueOutputCount());
|
|
EXPECT_EQ(1, op->EffectOutputCount());
|
|
EXPECT_EQ(0, op->ControlOutputCount());
|
|
}
|
|
|
|
|
|
INSTANTIATE_TEST_CASE_P(SimplifiedOperatorTest,
|
|
SimplifiedElementAccessOperatorTest,
|
|
::testing::ValuesIn(kElementAccesses));
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|