// 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/compiler/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 {
namespace compiler {
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(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(offset)));
}
Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::
IsBytecodeOperandSignExtended(int offset) {
Matcher<Node*> load_matcher = IsLoad(
MachineType::Int8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
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(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(offset)));
} else {
Matcher<Node*> first_byte = IsLoad(
MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(offset)));
Matcher<Node*> second_byte = IsLoad(
MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
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(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
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(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(hi_byte_offset)));
hi_byte = IsWord32Shl(hi_byte, IsInt32Constant(kBitsPerByte));
Matcher<Node*> lo_byte = IsLoad(
MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
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(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(interpreter::Bytecodes::Size(bytecode)));
Matcher<Node*> target_bytecode_matcher =
m.IsLoad(MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
next_bytecode_offset_matcher);
Matcher<Node*> code_target_matcher =
m.IsLoad(MachineType::Pointer(),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsWord32Shl(target_bytecode_matcher,
IsInt32Constant(kPointerSizeLog2)));
EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind());
EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots);
EXPECT_THAT(
tail_call_node,
IsTailCall(m.call_descriptor(), code_target_matcher,
IsParameter(Linkage::kInterpreterAccumulatorParameter),
IsParameter(Linkage::kInterpreterRegisterFileParameter),
next_bytecode_offset_matcher,
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
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(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(jump_offset));
Matcher<Node*> target_bytecode_matcher =
m.IsLoad(MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
next_bytecode_offset_matcher);
Matcher<Node*> code_target_matcher =
m.IsLoad(MachineType::Pointer(),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsWord32Shl(target_bytecode_matcher,
IsInt32Constant(kPointerSizeLog2)));
EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind());
EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots);
EXPECT_THAT(
tail_call_node,
IsTailCall(m.call_descriptor(), code_target_matcher,
IsParameter(Linkage::kInterpreterAccumulatorParameter),
IsParameter(Linkage::kInterpreterRegisterFileParameter),
next_bytecode_offset_matcher,
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
}
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(Linkage::kInterpreterBytecodeOffsetParameter),
IsInt32Constant(jump_offsets[i]));
Matcher<Node*> target_bytecode_matcher =
m.IsLoad(MachineType::Uint8(),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
next_bytecode_offset_matcher);
Matcher<Node*> code_target_matcher =
m.IsLoad(MachineType::Pointer(),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsWord32Shl(target_bytecode_matcher,
IsInt32Constant(kPointerSizeLog2)));
EXPECT_THAT(
end->InputAt(i),
IsTailCall(m.call_descriptor(), code_target_matcher,
IsParameter(Linkage::kInterpreterAccumulatorParameter),
IsParameter(Linkage::kInterpreterRegisterFileParameter),
next_bytecode_offset_matcher,
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
// TODO(oth): test control flow paths.
}
}
TARGET_TEST_F(InterpreterAssemblerTest, Return) {
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
InterpreterAssemblerForTest m(this, bytecode);
m.Return();
Graph* graph = m.graph();
Node* end = graph->end();
EXPECT_EQ(1, end->InputCount());
Node* tail_call_node = end->InputAt(0);
EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind());
EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots);
Handle<HeapObject> exit_trampoline =
isolate()->builtins()->InterpreterExitTrampoline();
EXPECT_THAT(
tail_call_node,
IsTailCall(m.call_descriptor(), IsHeapConstant(exit_trampoline),
IsParameter(Linkage::kInterpreterAccumulatorParameter),
IsParameter(Linkage::kInterpreterRegisterFileParameter),
IsParameter(Linkage::kInterpreterBytecodeOffsetParameter),
IsParameter(Linkage::kInterpreterBytecodeArrayParameter),
IsParameter(Linkage::kInterpreterDispatchTableParameter),
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
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::kCount8:
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::kRegPair8:
EXPECT_THAT(m.BytecodeOperandReg(i),
m.IsBytecodeOperandSignExtended(offset));
break;
case interpreter::OperandType::kCount16:
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::kReg16:
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(Linkage::kInterpreterAccumulatorParameter));
// Should be set by SedtAccumulator.
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(m.call_descriptor(), _, accumulator_value_2, _, _, _,
_, _, _));
}
}
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(Linkage::kInterpreterRegisterFileParameter),
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(Linkage::kInterpreterRegisterFileParameter),
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(Linkage::kInterpreterRegisterFileParameter),
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(Linkage::kInterpreterBytecodeArrayParameter),
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* call_runtime = m.CallRuntime(Runtime::kAdd, arg1, arg2);
EXPECT_THAT(
call_runtime,
IsCall(_, _, arg1, arg2, _, IsInt32Constant(2),
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
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);
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.CallRuntime(function_id, first_arg, arg_count, result_size);
EXPECT_THAT(
call_runtime,
IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg,
function_entry,
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
}
TARGET_TEST_F(InterpreterAssemblerTest, CallIC) {
TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) {
InterpreterAssemblerForTest m(this, bytecode);
LoadWithVectorDescriptor descriptor(isolate());
Node* target = m.Int32Constant(1);
Node* arg1 = m.Int32Constant(2);
Node* arg2 = m.Int32Constant(3);
Node* arg3 = m.Int32Constant(4);
Node* arg4 = m.Int32Constant(5);
Node* call_ic = m.CallIC(descriptor, target, arg1, arg2, arg3, arg4);
EXPECT_THAT(
call_ic,
IsCall(_, target, arg1, arg2, arg3, arg4,
IsParameter(Linkage::kInterpreterContextParameter), _, _));
}
}
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* call_js = m.CallJS(function, first_arg, arg_count);
EXPECT_THAT(
call_js,
IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg,
function, IsParameter(Linkage::kInterpreterContextParameter), _,
_));
}
}
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(Linkage::kInterpreterRegisterFileParameter),
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 compiler
} // namespace internal
} // namespace v8