| // Copyright 2015 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 "test/unittests/interpreter/interpreter-assembler-unittest.h" |
| |
| #include "src/code-factory.h" |
| #include "src/compiler/graph.h" |
| #include "src/compiler/node.h" |
| #include "src/interface-descriptors.h" |
| #include "src/isolate.h" |
| #include "test/unittests/compiler/compiler-test-utils.h" |
| #include "test/unittests/compiler/node-test-utils.h" |
| |
| using ::testing::_; |
| |
| namespace v8 { |
| namespace internal { |
| |
| using namespace compiler; |
| |
| namespace interpreter { |
| |
| const interpreter::Bytecode kBytecodes[] = { |
| #define DEFINE_BYTECODE(Name, ...) interpreter::Bytecode::k##Name, |
| BYTECODE_LIST(DEFINE_BYTECODE) |
| #undef DEFINE_BYTECODE |
| }; |
| |
| Matcher<Node*> IsIntPtrConstant(const intptr_t value) { |
| return kPointerSize == 8 ? IsInt64Constant(static_cast<int64_t>(value)) |
| : IsInt32Constant(static_cast<int32_t>(value)); |
| } |
| |
| Matcher<Node*> IsIntPtrAdd(const Matcher<Node*>& lhs_matcher, |
| const Matcher<Node*>& rhs_matcher) { |
| return kPointerSize == 8 ? IsInt64Add(lhs_matcher, rhs_matcher) |
| : IsInt32Add(lhs_matcher, rhs_matcher); |
| } |
| |
| Matcher<Node*> IsIntPtrSub(const Matcher<Node*>& lhs_matcher, |
| const Matcher<Node*>& rhs_matcher) { |
| return kPointerSize == 8 ? IsInt64Sub(lhs_matcher, rhs_matcher) |
| : IsInt32Sub(lhs_matcher, rhs_matcher); |
| } |
| |
| Matcher<Node*> IsWordShl(const Matcher<Node*>& lhs_matcher, |
| const Matcher<Node*>& rhs_matcher) { |
| return kPointerSize == 8 ? IsWord64Shl(lhs_matcher, rhs_matcher) |
| : IsWord32Shl(lhs_matcher, rhs_matcher); |
| } |
| |
| Matcher<Node*> IsWordSar(const Matcher<Node*>& lhs_matcher, |
| const Matcher<Node*>& rhs_matcher) { |
| return kPointerSize == 8 ? IsWord64Sar(lhs_matcher, rhs_matcher) |
| : IsWord32Sar(lhs_matcher, rhs_matcher); |
| } |
| |
| Matcher<Node*> IsWordOr(const Matcher<Node*>& lhs_matcher, |
| const Matcher<Node*>& rhs_matcher) { |
| return kPointerSize == 8 ? IsWord64Or(lhs_matcher, rhs_matcher) |
| : IsWord32Or(lhs_matcher, rhs_matcher); |
| } |
| |
| Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsLoad( |
| const Matcher<LoadRepresentation>& rep_matcher, |
| const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher) { |
| return ::i::compiler::IsLoad(rep_matcher, base_matcher, index_matcher, _, _); |
| } |
| |
| Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsStore( |
| const Matcher<StoreRepresentation>& rep_matcher, |
| const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher, |
| const Matcher<Node*>& value_matcher) { |
| return ::i::compiler::IsStore(rep_matcher, base_matcher, index_matcher, |
| value_matcher, _, _); |
| } |
| |
| Matcher<Node*> |
| InterpreterAssemblerTest::InterpreterAssemblerForTest::IsBytecodeOperand( |
| int offset) { |
| return IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset))); |
| } |
| |
| Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest:: |
| IsBytecodeOperandSignExtended(int offset) { |
| Matcher<Node*> load_matcher = IsLoad( |
| MachineType::Int8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset))); |
| if (kPointerSize == 8) { |
| load_matcher = IsChangeInt32ToInt64(load_matcher); |
| } |
| return load_matcher; |
| } |
| |
| Matcher<Node*> |
| InterpreterAssemblerTest::InterpreterAssemblerForTest::IsBytecodeOperandShort( |
| int offset) { |
| if (TargetSupportsUnalignedAccess()) { |
| return IsLoad( |
| MachineType::Uint16(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset))); |
| } else { |
| Matcher<Node*> first_byte = IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset))); |
| Matcher<Node*> second_byte = IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset + 1))); |
| #if V8_TARGET_LITTLE_ENDIAN |
| return IsWordOr(IsWordShl(second_byte, IsInt32Constant(kBitsPerByte)), |
| first_byte); |
| #elif V8_TARGET_BIG_ENDIAN |
| return IsWordOr(IsWordShl(first_byte, IsInt32Constant(kBitsPerByte)), |
| second_byte); |
| #else |
| #error "Unknown Architecture" |
| #endif |
| } |
| } |
| |
| Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest:: |
| IsBytecodeOperandShortSignExtended(int offset) { |
| Matcher<Node*> load_matcher; |
| if (TargetSupportsUnalignedAccess()) { |
| load_matcher = IsLoad( |
| MachineType::Int16(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(offset))); |
| } else { |
| #if V8_TARGET_LITTLE_ENDIAN |
| int hi_byte_offset = offset + 1; |
| int lo_byte_offset = offset; |
| |
| #elif V8_TARGET_BIG_ENDIAN |
| int hi_byte_offset = offset; |
| int lo_byte_offset = offset + 1; |
| #else |
| #error "Unknown Architecture" |
| #endif |
| Matcher<Node*> hi_byte = IsLoad( |
| MachineType::Int8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(hi_byte_offset))); |
| hi_byte = IsWord32Shl(hi_byte, IsInt32Constant(kBitsPerByte)); |
| Matcher<Node*> lo_byte = IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrAdd( |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(lo_byte_offset))); |
| load_matcher = IsWord32Or(hi_byte, lo_byte); |
| } |
| |
| if (kPointerSize == 8) { |
| load_matcher = IsChangeInt32ToInt64(load_matcher); |
| } |
| return load_matcher; |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| m.Dispatch(); |
| Graph* graph = m.graph(); |
| |
| Node* end = graph->end(); |
| EXPECT_EQ(1, end->InputCount()); |
| Node* tail_call_node = end->InputAt(0); |
| |
| Matcher<Node*> next_bytecode_offset_matcher = IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(interpreter::Bytecodes::Size(bytecode))); |
| Matcher<Node*> target_bytecode_matcher = m.IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| next_bytecode_offset_matcher); |
| Matcher<Node*> code_target_matcher = m.IsLoad( |
| MachineType::Pointer(), |
| IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsWord32Shl(target_bytecode_matcher, |
| IsInt32Constant(kPointerSizeLog2))); |
| |
| EXPECT_THAT( |
| tail_call_node, |
| IsTailCall( |
| _, code_target_matcher, |
| IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| next_bytecode_offset_matcher, |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, Jump) { |
| int jump_offsets[] = {-9710, -77, 0, +3, +97109}; |
| TRACED_FOREACH(int, jump_offset, jump_offsets) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| m.Jump(m.Int32Constant(jump_offset)); |
| Graph* graph = m.graph(); |
| Node* end = graph->end(); |
| EXPECT_EQ(1, end->InputCount()); |
| Node* tail_call_node = end->InputAt(0); |
| |
| Matcher<Node*> next_bytecode_offset_matcher = IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(jump_offset)); |
| Matcher<Node*> target_bytecode_matcher = m.IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| next_bytecode_offset_matcher); |
| Matcher<Node*> code_target_matcher = m.IsLoad( |
| MachineType::Pointer(), |
| IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsWord32Shl(target_bytecode_matcher, |
| IsInt32Constant(kPointerSizeLog2))); |
| |
| EXPECT_THAT( |
| tail_call_node, |
| IsTailCall( |
| _, code_target_matcher, |
| IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), |
| IsParameter( |
| InterpreterDispatchDescriptor::kRegisterFileParameter), |
| next_bytecode_offset_matcher, |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsParameter( |
| InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, JumpIfWordEqual) { |
| static const int kJumpIfTrueOffset = 73; |
| |
| MachineOperatorBuilder machine(zone()); |
| |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* lhs = m.IntPtrConstant(0); |
| Node* rhs = m.IntPtrConstant(1); |
| m.JumpIfWordEqual(lhs, rhs, m.Int32Constant(kJumpIfTrueOffset)); |
| Graph* graph = m.graph(); |
| Node* end = graph->end(); |
| EXPECT_EQ(2, end->InputCount()); |
| |
| int jump_offsets[] = {kJumpIfTrueOffset, |
| interpreter::Bytecodes::Size(bytecode)}; |
| for (int i = 0; i < static_cast<int>(arraysize(jump_offsets)); i++) { |
| Matcher<Node*> next_bytecode_offset_matcher = IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsInt32Constant(jump_offsets[i])); |
| Matcher<Node*> target_bytecode_matcher = m.IsLoad( |
| MachineType::Uint8(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| next_bytecode_offset_matcher); |
| Matcher<Node*> code_target_matcher = m.IsLoad( |
| MachineType::Pointer(), |
| IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsWord32Shl(target_bytecode_matcher, |
| IsInt32Constant(kPointerSizeLog2))); |
| EXPECT_THAT( |
| end->InputAt(i), |
| IsTailCall( |
| _, code_target_matcher, |
| IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), |
| IsParameter( |
| InterpreterDispatchDescriptor::kRegisterFileParameter), |
| next_bytecode_offset_matcher, |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsParameter( |
| InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| |
| // TODO(oth): test control flow paths. |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, InterpreterReturn) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| m.InterpreterReturn(); |
| Graph* graph = m.graph(); |
| |
| Node* end = graph->end(); |
| EXPECT_EQ(1, end->InputCount()); |
| Node* tail_call_node = end->InputAt(0); |
| |
| Handle<HeapObject> exit_trampoline = |
| isolate()->builtins()->InterpreterExitTrampoline(); |
| EXPECT_THAT( |
| tail_call_node, |
| IsTailCall( |
| _, IsHeapConstant(exit_trampoline), |
| IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter), |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| IsParameter( |
| InterpreterDispatchDescriptor::kBytecodeOffsetParameter), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsParameter(InterpreterDispatchDescriptor::kDispatchTableParameter), |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, BytecodeOperand) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| int number_of_operands = interpreter::Bytecodes::NumberOfOperands(bytecode); |
| for (int i = 0; i < number_of_operands; i++) { |
| int offset = interpreter::Bytecodes::GetOperandOffset(bytecode, i); |
| switch (interpreter::Bytecodes::GetOperandType(bytecode, i)) { |
| case interpreter::OperandType::kRegCount8: |
| EXPECT_THAT(m.BytecodeOperandCount(i), m.IsBytecodeOperand(offset)); |
| break; |
| case interpreter::OperandType::kIdx8: |
| EXPECT_THAT(m.BytecodeOperandIdx(i), m.IsBytecodeOperand(offset)); |
| break; |
| case interpreter::OperandType::kImm8: |
| EXPECT_THAT(m.BytecodeOperandImm(i), |
| m.IsBytecodeOperandSignExtended(offset)); |
| break; |
| case interpreter::OperandType::kMaybeReg8: |
| case interpreter::OperandType::kReg8: |
| case interpreter::OperandType::kRegOut8: |
| case interpreter::OperandType::kRegOutPair8: |
| case interpreter::OperandType::kRegOutTriple8: |
| case interpreter::OperandType::kRegPair8: |
| EXPECT_THAT(m.BytecodeOperandReg(i), |
| m.IsBytecodeOperandSignExtended(offset)); |
| break; |
| case interpreter::OperandType::kRegCount16: |
| EXPECT_THAT(m.BytecodeOperandCount(i), |
| m.IsBytecodeOperandShort(offset)); |
| break; |
| case interpreter::OperandType::kIdx16: |
| EXPECT_THAT(m.BytecodeOperandIdx(i), |
| m.IsBytecodeOperandShort(offset)); |
| break; |
| case interpreter::OperandType::kMaybeReg16: |
| case interpreter::OperandType::kReg16: |
| case interpreter::OperandType::kRegOut16: |
| case interpreter::OperandType::kRegOutPair16: |
| case interpreter::OperandType::kRegOutTriple16: |
| case interpreter::OperandType::kRegPair16: |
| EXPECT_THAT(m.BytecodeOperandReg(i), |
| m.IsBytecodeOperandShortSignExtended(offset)); |
| break; |
| case interpreter::OperandType::kNone: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, GetSetAccumulator) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| // Should be incoming accumulator if not set. |
| EXPECT_THAT( |
| m.GetAccumulator(), |
| IsParameter(InterpreterDispatchDescriptor::kAccumulatorParameter)); |
| |
| // Should be set by SetAccumulator. |
| Node* accumulator_value_1 = m.Int32Constant(0xdeadbeef); |
| m.SetAccumulator(accumulator_value_1); |
| EXPECT_THAT(m.GetAccumulator(), accumulator_value_1); |
| Node* accumulator_value_2 = m.Int32Constant(42); |
| m.SetAccumulator(accumulator_value_2); |
| EXPECT_THAT(m.GetAccumulator(), accumulator_value_2); |
| |
| // Should be passed to next bytecode handler on dispatch. |
| m.Dispatch(); |
| Graph* graph = m.graph(); |
| |
| Node* end = graph->end(); |
| EXPECT_EQ(1, end->InputCount()); |
| Node* tail_call_node = end->InputAt(0); |
| |
| EXPECT_THAT(tail_call_node, |
| IsTailCall(_, _, accumulator_value_2, _, _, _, _, _, _)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, GetSetContext) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* context_node = m.Int32Constant(100); |
| m.SetContext(context_node); |
| EXPECT_THAT(m.GetContext(), context_node); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, RegisterLocation) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* reg_index_node = m.Int32Constant(44); |
| Node* reg_location_node = m.RegisterLocation(reg_index_node); |
| EXPECT_THAT( |
| reg_location_node, |
| IsIntPtrAdd( |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadRegister) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* reg_index_node = m.Int32Constant(44); |
| Node* load_reg_node = m.LoadRegister(reg_index_node); |
| EXPECT_THAT( |
| load_reg_node, |
| m.IsLoad( |
| MachineType::AnyTagged(), |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, StoreRegister) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* store_value = m.Int32Constant(0xdeadbeef); |
| Node* reg_index_node = m.Int32Constant(44); |
| Node* store_reg_node = m.StoreRegister(store_value, reg_index_node); |
| EXPECT_THAT( |
| store_reg_node, |
| m.IsStore( |
| StoreRepresentation(MachineRepresentation::kTagged, |
| kNoWriteBarrier), |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)), |
| store_value)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, SmiTag) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* value = m.Int32Constant(44); |
| EXPECT_THAT(m.SmiTag(value), |
| IsWordShl(value, IsInt32Constant(kSmiShiftSize + kSmiTagSize))); |
| EXPECT_THAT(m.SmiUntag(value), |
| IsWordSar(value, IsInt32Constant(kSmiShiftSize + kSmiTagSize))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, IntPtrAdd) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* a = m.Int32Constant(0); |
| Node* b = m.Int32Constant(1); |
| Node* add = m.IntPtrAdd(a, b); |
| EXPECT_THAT(add, IsIntPtrAdd(a, b)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, IntPtrSub) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* a = m.Int32Constant(0); |
| Node* b = m.Int32Constant(1); |
| Node* add = m.IntPtrSub(a, b); |
| EXPECT_THAT(add, IsIntPtrSub(a, b)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, WordShl) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* a = m.Int32Constant(0); |
| Node* add = m.WordShl(a, 10); |
| EXPECT_THAT(add, IsWordShl(a, IsInt32Constant(10))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadConstantPoolEntry) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* index = m.Int32Constant(2); |
| Node* load_constant = m.LoadConstantPoolEntry(index); |
| Matcher<Node*> constant_pool_matcher = m.IsLoad( |
| MachineType::AnyTagged(), |
| IsParameter(InterpreterDispatchDescriptor::kBytecodeArrayParameter), |
| IsIntPtrConstant(BytecodeArray::kConstantPoolOffset - kHeapObjectTag)); |
| EXPECT_THAT( |
| load_constant, |
| m.IsLoad(MachineType::AnyTagged(), constant_pool_matcher, |
| IsIntPtrAdd( |
| IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), |
| IsWordShl(index, IsInt32Constant(kPointerSizeLog2))))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadFixedArrayElement) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| int index = 3; |
| Node* fixed_array = m.IntPtrConstant(0xdeadbeef); |
| Node* load_element = m.LoadFixedArrayElement(fixed_array, index); |
| EXPECT_THAT( |
| load_element, |
| m.IsLoad(MachineType::AnyTagged(), fixed_array, |
| IsIntPtrAdd( |
| IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), |
| IsWordShl(IsInt32Constant(index), |
| IsInt32Constant(kPointerSizeLog2))))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadObjectField) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* object = m.IntPtrConstant(0xdeadbeef); |
| int offset = 16; |
| Node* load_field = m.LoadObjectField(object, offset); |
| EXPECT_THAT(load_field, |
| m.IsLoad(MachineType::AnyTagged(), object, |
| IsIntPtrConstant(offset - kHeapObjectTag))); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadContextSlot) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* context = m.Int32Constant(1); |
| Node* slot_index = m.Int32Constant(22); |
| Node* load_context_slot = m.LoadContextSlot(context, slot_index); |
| |
| Matcher<Node*> offset = |
| IsIntPtrAdd(IsWordShl(slot_index, IsInt32Constant(kPointerSizeLog2)), |
| IsInt32Constant(Context::kHeaderSize - kHeapObjectTag)); |
| EXPECT_THAT(load_context_slot, |
| m.IsLoad(MachineType::AnyTagged(), context, offset)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, StoreContextSlot) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* context = m.Int32Constant(1); |
| Node* slot_index = m.Int32Constant(22); |
| Node* value = m.Int32Constant(100); |
| Node* store_context_slot = m.StoreContextSlot(context, slot_index, value); |
| |
| Matcher<Node*> offset = |
| IsIntPtrAdd(IsWordShl(slot_index, IsInt32Constant(kPointerSizeLog2)), |
| IsInt32Constant(Context::kHeaderSize - kHeapObjectTag)); |
| EXPECT_THAT(store_context_slot, |
| m.IsStore(StoreRepresentation(MachineRepresentation::kTagged, |
| kFullWriteBarrier), |
| context, offset, value)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime2) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* arg1 = m.Int32Constant(2); |
| Node* arg2 = m.Int32Constant(3); |
| Node* context = |
| m.Parameter(InterpreterDispatchDescriptor::kContextParameter); |
| Node* call_runtime = m.CallRuntime(Runtime::kAdd, context, arg1, arg2); |
| EXPECT_THAT( |
| call_runtime, |
| IsCall(_, _, arg1, arg2, _, IsInt32Constant(2), |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime) { |
| const int kResultSizes[] = {1, 2}; |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| TRACED_FOREACH(int, result_size, kResultSizes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Callable builtin = CodeFactory::InterpreterCEntry(isolate(), result_size); |
| |
| Node* function_id = m.Int32Constant(0); |
| Node* first_arg = m.Int32Constant(1); |
| Node* arg_count = m.Int32Constant(2); |
| Node* context = |
| m.Parameter(InterpreterDispatchDescriptor::kContextParameter); |
| |
| Matcher<Node*> function_table = IsExternalConstant( |
| ExternalReference::runtime_function_table_address(isolate())); |
| Matcher<Node*> function = IsIntPtrAdd( |
| function_table, |
| IsInt32Mul(function_id, IsInt32Constant(sizeof(Runtime::Function)))); |
| Matcher<Node*> function_entry = |
| m.IsLoad(MachineType::Pointer(), function, |
| IsInt32Constant(offsetof(Runtime::Function, entry))); |
| |
| Node* call_runtime = m.CallRuntimeN(function_id, context, first_arg, |
| arg_count, result_size); |
| EXPECT_THAT( |
| call_runtime, |
| IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg, |
| function_entry, |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), |
| _, _)); |
| } |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, CallJS) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Callable builtin = CodeFactory::InterpreterPushArgsAndCall(isolate()); |
| Node* function = m.Int32Constant(0); |
| Node* first_arg = m.Int32Constant(1); |
| Node* arg_count = m.Int32Constant(2); |
| Node* context = |
| m.Parameter(InterpreterDispatchDescriptor::kContextParameter); |
| Node* call_js = m.CallJS(function, context, first_arg, arg_count); |
| EXPECT_THAT( |
| call_js, |
| IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg, |
| function, |
| IsParameter(InterpreterDispatchDescriptor::kContextParameter), _, |
| _)); |
| } |
| } |
| |
| TARGET_TEST_F(InterpreterAssemblerTest, LoadTypeFeedbackVector) { |
| TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| InterpreterAssemblerForTest m(this, bytecode); |
| Node* feedback_vector = m.LoadTypeFeedbackVector(); |
| |
| Matcher<Node*> load_function_matcher = m.IsLoad( |
| MachineType::AnyTagged(), |
| IsParameter(InterpreterDispatchDescriptor::kRegisterFileParameter), |
| IsIntPtrConstant( |
| InterpreterFrameConstants::kFunctionFromRegisterPointer)); |
| Matcher<Node*> load_shared_function_info_matcher = |
| m.IsLoad(MachineType::AnyTagged(), load_function_matcher, |
| IsIntPtrConstant(JSFunction::kSharedFunctionInfoOffset - |
| kHeapObjectTag)); |
| |
| EXPECT_THAT( |
| feedback_vector, |
| m.IsLoad(MachineType::AnyTagged(), load_shared_function_info_matcher, |
| IsIntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset - |
| kHeapObjectTag))); |
| } |
| } |
| |
| } // namespace interpreter |
| } // namespace internal |
| } // namespace v8 |
