v8/test/unittests/compiler/machine-operator-unittest.cc

313 lines
11 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/machine-operator.h"
#include "src/compiler/operator-properties-inl.h"
#include "testing/gtest-support.h"
namespace v8 {
namespace internal {
namespace compiler {
#if GTEST_HAS_COMBINE
template <typename T>
class MachineOperatorTestWithParam
: public ::testing::TestWithParam< ::testing::tuple<MachineType, T> > {
protected:
MachineType type() const { return ::testing::get<0>(B::GetParam()); }
const T& GetParam() const { return ::testing::get<1>(B::GetParam()); }
private:
typedef ::testing::TestWithParam< ::testing::tuple<MachineType, T> > B;
};
namespace {
const MachineType kMachineReps[] = {kRepWord32, kRepWord64};
const MachineType kMachineTypes[] = {
kMachFloat32, kMachFloat64, kMachInt8, kMachUint8, kMachInt16,
kMachUint16, kMachInt32, kMachUint32, kMachInt64, kMachUint64,
kMachPtr, kMachAnyTagged, kRepBit, kRepWord8, kRepWord16,
kRepWord32, kRepWord64, kRepFloat32, kRepFloat64, kRepTagged};
} // namespace
// -----------------------------------------------------------------------------
// Load operator.
typedef MachineOperatorTestWithParam<LoadRepresentation>
MachineLoadOperatorTest;
TEST_P(MachineLoadOperatorTest, InstancesAreGloballyShared) {
MachineOperatorBuilder machine1(type());
MachineOperatorBuilder machine2(type());
EXPECT_EQ(machine1.Load(GetParam()), machine2.Load(GetParam()));
}
TEST_P(MachineLoadOperatorTest, NumberOfInputsAndOutputs) {
MachineOperatorBuilder machine(type());
const Operator* op = machine.Load(GetParam());
EXPECT_EQ(2, OperatorProperties::GetValueInputCount(op));
EXPECT_EQ(1, OperatorProperties::GetEffectInputCount(op));
EXPECT_EQ(0, OperatorProperties::GetControlInputCount(op));
EXPECT_EQ(3, OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
EXPECT_EQ(1, OperatorProperties::GetEffectOutputCount(op));
EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
}
TEST_P(MachineLoadOperatorTest, OpcodeIsCorrect) {
MachineOperatorBuilder machine(type());
EXPECT_EQ(IrOpcode::kLoad, machine.Load(GetParam())->opcode());
}
TEST_P(MachineLoadOperatorTest, ParameterIsCorrect) {
MachineOperatorBuilder machine(type());
EXPECT_EQ(GetParam(),
OpParameter<LoadRepresentation>(machine.Load(GetParam())));
}
INSTANTIATE_TEST_CASE_P(MachineOperatorTest, MachineLoadOperatorTest,
::testing::Combine(::testing::ValuesIn(kMachineReps),
::testing::ValuesIn(kMachineTypes)));
// -----------------------------------------------------------------------------
// Store operator.
class MachineStoreOperatorTest
: public MachineOperatorTestWithParam<
::testing::tuple<MachineType, WriteBarrierKind> > {
protected:
StoreRepresentation GetParam() const {
return StoreRepresentation(
::testing::get<0>(MachineOperatorTestWithParam<
::testing::tuple<MachineType, WriteBarrierKind> >::GetParam()),
::testing::get<1>(MachineOperatorTestWithParam<
::testing::tuple<MachineType, WriteBarrierKind> >::GetParam()));
}
};
TEST_P(MachineStoreOperatorTest, InstancesAreGloballyShared) {
MachineOperatorBuilder machine1(type());
MachineOperatorBuilder machine2(type());
EXPECT_EQ(machine1.Store(GetParam()), machine2.Store(GetParam()));
}
TEST_P(MachineStoreOperatorTest, NumberOfInputsAndOutputs) {
MachineOperatorBuilder machine(type());
const Operator* op = machine.Store(GetParam());
EXPECT_EQ(3, OperatorProperties::GetValueInputCount(op));
EXPECT_EQ(1, OperatorProperties::GetEffectInputCount(op));
EXPECT_EQ(1, OperatorProperties::GetControlInputCount(op));
EXPECT_EQ(5, OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(0, OperatorProperties::GetValueOutputCount(op));
EXPECT_EQ(1, OperatorProperties::GetEffectOutputCount(op));
EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
}
TEST_P(MachineStoreOperatorTest, OpcodeIsCorrect) {
MachineOperatorBuilder machine(type());
EXPECT_EQ(IrOpcode::kStore, machine.Store(GetParam())->opcode());
}
TEST_P(MachineStoreOperatorTest, ParameterIsCorrect) {
MachineOperatorBuilder machine(type());
EXPECT_EQ(GetParam(),
OpParameter<StoreRepresentation>(machine.Store(GetParam())));
}
INSTANTIATE_TEST_CASE_P(
MachineOperatorTest, MachineStoreOperatorTest,
::testing::Combine(
::testing::ValuesIn(kMachineReps),
::testing::Combine(::testing::ValuesIn(kMachineTypes),
::testing::Values(kNoWriteBarrier,
kFullWriteBarrier))));
// -----------------------------------------------------------------------------
// Pure operators.
namespace {
struct PureOperator {
const Operator* (MachineOperatorBuilder::*constructor)();
IrOpcode::Value opcode;
int value_input_count;
int value_output_count;
};
std::ostream& operator<<(std::ostream& os, const PureOperator& pop) {
return os << IrOpcode::Mnemonic(pop.opcode);
}
const PureOperator kPureOperators[] = {
#define PURE(Name, input_count, output_count) \
{ \
&MachineOperatorBuilder::Name, IrOpcode::k##Name, input_count, \
output_count \
}
PURE(Word32And, 2, 1), PURE(Word32Or, 2, 1),
PURE(Word32Xor, 2, 1), PURE(Word32Shl, 2, 1),
PURE(Word32Shr, 2, 1), PURE(Word32Sar, 2, 1),
PURE(Word32Ror, 2, 1), PURE(Word32Equal, 2, 1),
PURE(Word64And, 2, 1), PURE(Word64Or, 2, 1),
PURE(Word64Xor, 2, 1), PURE(Word64Shl, 2, 1),
PURE(Word64Shr, 2, 1), PURE(Word64Sar, 2, 1),
PURE(Word64Ror, 2, 1), PURE(Word64Equal, 2, 1),
PURE(Int32Add, 2, 1), PURE(Int32AddWithOverflow, 2, 2),
PURE(Int32Sub, 2, 1), PURE(Int32SubWithOverflow, 2, 2),
PURE(Int32Mul, 2, 1), PURE(Int32Div, 2, 1),
PURE(Uint32Div, 2, 1), PURE(Int32Mod, 2, 1),
PURE(Uint32Mod, 2, 1), PURE(Int32LessThan, 2, 1),
PURE(Int32LessThanOrEqual, 2, 1), PURE(Uint32LessThan, 2, 1),
PURE(Uint32LessThanOrEqual, 2, 1), PURE(Int64Add, 2, 1),
PURE(Int64Sub, 2, 1), PURE(Int64Mul, 2, 1),
PURE(Int64Div, 2, 1), PURE(Uint64Div, 2, 1),
PURE(Int64Mod, 2, 1), PURE(Uint64Mod, 2, 1),
PURE(Int64LessThan, 2, 1), PURE(Int64LessThanOrEqual, 2, 1),
PURE(Uint64LessThan, 2, 1), PURE(ChangeFloat32ToFloat64, 1, 1),
PURE(ChangeFloat64ToInt32, 1, 1), PURE(ChangeFloat64ToUint32, 1, 1),
PURE(ChangeInt32ToInt64, 1, 1), PURE(ChangeUint32ToFloat64, 1, 1),
PURE(ChangeUint32ToUint64, 1, 1), PURE(TruncateFloat64ToFloat32, 1, 1),
PURE(TruncateFloat64ToInt32, 1, 1), PURE(TruncateInt64ToInt32, 1, 1),
PURE(Float64Add, 2, 1), PURE(Float64Sub, 2, 1),
PURE(Float64Mul, 2, 1), PURE(Float64Div, 2, 1),
PURE(Float64Mod, 2, 1), PURE(Float64Sqrt, 1, 1),
PURE(Float64Equal, 2, 1), PURE(Float64LessThan, 2, 1),
PURE(Float64LessThanOrEqual, 2, 1)
#undef PURE
};
typedef MachineOperatorTestWithParam<PureOperator> MachinePureOperatorTest;
} // namespace
TEST_P(MachinePureOperatorTest, InstancesAreGloballyShared) {
const PureOperator& pop = GetParam();
MachineOperatorBuilder machine1(type());
MachineOperatorBuilder machine2(type());
EXPECT_EQ((machine1.*pop.constructor)(), (machine2.*pop.constructor)());
}
TEST_P(MachinePureOperatorTest, NumberOfInputsAndOutputs) {
MachineOperatorBuilder machine(type());
const PureOperator& pop = GetParam();
const Operator* op = (machine.*pop.constructor)();
EXPECT_EQ(pop.value_input_count, OperatorProperties::GetValueInputCount(op));
EXPECT_EQ(0, OperatorProperties::GetEffectInputCount(op));
EXPECT_EQ(0, OperatorProperties::GetControlInputCount(op));
EXPECT_EQ(pop.value_input_count, OperatorProperties::GetTotalInputCount(op));
EXPECT_EQ(pop.value_output_count,
OperatorProperties::GetValueOutputCount(op));
EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
}
TEST_P(MachinePureOperatorTest, MarkedAsPure) {
MachineOperatorBuilder machine(type());
const PureOperator& pop = GetParam();
const Operator* op = (machine.*pop.constructor)();
EXPECT_TRUE(op->HasProperty(Operator::kPure));
}
TEST_P(MachinePureOperatorTest, OpcodeIsCorrect) {
MachineOperatorBuilder machine(type());
const PureOperator& pop = GetParam();
const Operator* op = (machine.*pop.constructor)();
EXPECT_EQ(pop.opcode, op->opcode());
}
INSTANTIATE_TEST_CASE_P(
MachineOperatorTest, MachinePureOperatorTest,
::testing::Combine(::testing::ValuesIn(kMachineReps),
::testing::ValuesIn(kPureOperators)));
#endif // GTEST_HAS_COMBINE
// -----------------------------------------------------------------------------
// Pseudo operators.
TEST(MachineOperatorTest, PseudoOperatorsWhenWordSizeIs32Bit) {
MachineOperatorBuilder machine(kRepWord32);
EXPECT_EQ(machine.Word32And(), machine.WordAnd());
EXPECT_EQ(machine.Word32Or(), machine.WordOr());
EXPECT_EQ(machine.Word32Xor(), machine.WordXor());
EXPECT_EQ(machine.Word32Shl(), machine.WordShl());
EXPECT_EQ(machine.Word32Shr(), machine.WordShr());
EXPECT_EQ(machine.Word32Sar(), machine.WordSar());
EXPECT_EQ(machine.Word32Ror(), machine.WordRor());
EXPECT_EQ(machine.Word32Equal(), machine.WordEqual());
EXPECT_EQ(machine.Int32Add(), machine.IntAdd());
EXPECT_EQ(machine.Int32Sub(), machine.IntSub());
EXPECT_EQ(machine.Int32Mul(), machine.IntMul());
EXPECT_EQ(machine.Int32Div(), machine.IntDiv());
EXPECT_EQ(machine.Uint32Div(), machine.UintDiv());
EXPECT_EQ(machine.Int32Mod(), machine.IntMod());
EXPECT_EQ(machine.Uint32Mod(), machine.UintMod());
EXPECT_EQ(machine.Int32LessThan(), machine.IntLessThan());
EXPECT_EQ(machine.Int32LessThanOrEqual(), machine.IntLessThanOrEqual());
}
TEST(MachineOperatorTest, PseudoOperatorsWhenWordSizeIs64Bit) {
MachineOperatorBuilder machine(kRepWord64);
EXPECT_EQ(machine.Word64And(), machine.WordAnd());
EXPECT_EQ(machine.Word64Or(), machine.WordOr());
EXPECT_EQ(machine.Word64Xor(), machine.WordXor());
EXPECT_EQ(machine.Word64Shl(), machine.WordShl());
EXPECT_EQ(machine.Word64Shr(), machine.WordShr());
EXPECT_EQ(machine.Word64Sar(), machine.WordSar());
EXPECT_EQ(machine.Word64Ror(), machine.WordRor());
EXPECT_EQ(machine.Word64Equal(), machine.WordEqual());
EXPECT_EQ(machine.Int64Add(), machine.IntAdd());
EXPECT_EQ(machine.Int64Sub(), machine.IntSub());
EXPECT_EQ(machine.Int64Mul(), machine.IntMul());
EXPECT_EQ(machine.Int64Div(), machine.IntDiv());
EXPECT_EQ(machine.Uint64Div(), machine.UintDiv());
EXPECT_EQ(machine.Int64Mod(), machine.IntMod());
EXPECT_EQ(machine.Uint64Mod(), machine.UintMod());
EXPECT_EQ(machine.Int64LessThan(), machine.IntLessThan());
EXPECT_EQ(machine.Int64LessThanOrEqual(), machine.IntLessThanOrEqual());
}
} // namespace compiler
} // namespace internal
} // namespace v8