arkcompiler_ets_runtime/ecmascript/compiler/gate_accessor.cpp
ginxu 2c9208ea02 Optimized UnsharedConstPool
Avoid repeated loading of unsharedConstPool

Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I9T7JL
Signed-off-by: ginxu <xujie101@huawei.com>
Change-Id: Id62309fe96e131fd78663cf338041e6380197f7d
2024-06-03 12:49:40 +08:00

2043 lines
61 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecmascript/compiler/argument_accessor.h"
#include "ecmascript/compiler/circuit_builder.h"
#include "ecmascript/compiler/gate_accessor.h"
#include "ecmascript/compiler/graph_editor.h"
#include "ecmascript/js_tagged_value-inl.h"
#include "ecmascript/mem/assert_scope.h"
namespace panda::ecmascript::kungfu {
using UseIterator = GateAccessor::UseIterator;
size_t GateAccessor::GetNumIns(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetNumIns();
}
MarkCode GateAccessor::GetMark(GateRef gate) const
{
return circuit_->GetMark(gate);
}
void GateAccessor::SetMark(GateRef gate, MarkCode mark)
{
circuit_->SetMark(gate, mark);
}
bool GateAccessor::IsFinished(GateRef gate) const
{
return GetMark(gate) == MarkCode::FINISHED;
}
bool GateAccessor::IsVisited(GateRef gate) const
{
return GetMark(gate) == MarkCode::VISITED;
}
bool GateAccessor::IsPrevisit(GateRef gate) const
{
return GetMark(gate) == MarkCode::PREVISIT;
}
bool GateAccessor::IsNotMarked(GateRef gate) const
{
return GetMark(gate) == MarkCode::NO_MARK;
}
void GateAccessor::SetFinished(GateRef gate)
{
SetMark(gate, MarkCode::FINISHED);
}
void GateAccessor::SetVisited(GateRef gate)
{
SetMark(gate, MarkCode::VISITED);
}
void GateAccessor::SetPrevisit(GateRef gate)
{
SetMark(gate, MarkCode::PREVISIT);
}
OpCode GateAccessor::GetOpCode(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOpCode();
}
BitField GateAccessor::TryGetValue(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->TryGetValue();
}
ICmpCondition GateAccessor::GetICmpCondition(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::ICMP);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<ICmpCondition>(gatePtr->GetOneParameterMetaData()->GetValue());
}
FCmpCondition GateAccessor::GetFCmpCondition(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::FCMP);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<FCmpCondition>(gatePtr->GetOneParameterMetaData()->GetValue());
}
size_t GateAccessor::GetOffset(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::LOAD_CONST_OFFSET ||
GetOpCode(gate) == OpCode::STORE_CONST_OFFSET);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto accessor = LoadStoreConstOffsetAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetOffset();
}
size_t GateAccessor::GetInitOffset(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::INITVREG);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOneParameterMetaData()->GetValue();
}
uint32_t GateAccessor::GetTrueWeight(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::IF_BRANCH);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto accessor = BranchAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetTrueWeight();
}
uint32_t GateAccessor::GetFalseWeight(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::IF_BRANCH);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto accessor = BranchAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetFalseWeight();
}
MemoryOrder GateAccessor::GetMemoryOrder(GateRef gate) const
{
auto op = GetOpCode(gate);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
switch (op) {
case OpCode::LOAD:
case OpCode::STORE_WITHOUT_BARRIER:
case OpCode::STORE: {
auto accessor = LoadStoreAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetMemoryOrder();
}
case OpCode::LOAD_CONST_OFFSET:
case OpCode::STORE_CONST_OFFSET: {
auto accessor = LoadStoreConstOffsetAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetMemoryOrder();
}
default: {
UNREACHABLE();
break;
}
}
return MemoryOrder::Default();
}
bool GateAccessor::HasBranchWeight(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::IF_BRANCH);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto accessor = BranchAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
return (accessor.GetTrueWeight() != 0) || (accessor.GetFalseWeight() != 0);
}
size_t GateAccessor::GetIndex(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::GET_GLOBAL_ENV_OBJ_HCLASS ||
GetOpCode(gate) == OpCode::GET_GLOBAL_CONSTANT_VALUE ||
GetOpCode(gate) == OpCode::GET_GLOBAL_ENV_OBJ ||
GetOpCode(gate) == OpCode::LOAD_HCLASS_FROM_CONSTPOOL ||
GetOpCode(gate) == OpCode::LOAD_BUILTIN_OBJECT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOneParameterMetaData()->GetValue();
}
size_t GateAccessor::GetJSType(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::IS_SPECIFIC_OBJECT_TYPE);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOneParameterMetaData()->GetValue();
}
uint32_t GateAccessor::GetArraySize(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CREATE_ARRAY ||
GetOpCode(gate) == OpCode::CREATE_ARRAY_WITH_BUFFER);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto array = gatePtr->GetOneParameterMetaData()->GetValue();
return ArrayMetaDataAccessor(array).GetArrayLength();
}
void GateAccessor::SetArraySize(GateRef gate, uint32_t size)
{
ASSERT(GetOpCode(gate) == OpCode::CREATE_ARRAY ||
GetOpCode(gate) == OpCode::CREATE_ARRAY_WITH_BUFFER);
uint32_t curSize = GetArraySize(gate);
if (curSize != size) {
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ArrayMetaDataAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
accessor.SetArrayLength(size);
if (GetOpCode(gate) == OpCode::CREATE_ARRAY) {
auto meta = circuit_->CreateArray(accessor.ToValue());
SetMetaData(gate, meta);
} else {
auto meta = circuit_->CreateArrayWithBuffer(accessor.ToValue());
SetMetaData(gate, meta);
}
}
}
ElementsKind GateAccessor::GetElementsKind(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CREATE_ARRAY ||
GetOpCode(gate) == OpCode::CREATE_ARRAY_WITH_BUFFER);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto array = gatePtr->GetOneParameterMetaData()->GetValue();
return ArrayMetaDataAccessor(array).GetElementsKind();
}
void GateAccessor::SetElementsKind(GateRef gate, ElementsKind kind)
{
ASSERT(GetOpCode(gate) == OpCode::CREATE_ARRAY ||
GetOpCode(gate) == OpCode::CREATE_ARRAY_WITH_BUFFER);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ArrayMetaDataAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
accessor.SetElementsKind(kind);
const_cast<OneParameterMetaData *>(gatePtr->GetOneParameterMetaData())->SetValue(accessor.ToValue());
}
uint32_t GateAccessor::GetStringStatus(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STRING_ADD);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
StringStatusAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetStringStatus();
}
void GateAccessor::SetStringStatus(GateRef gate, uint32_t type)
{
ASSERT(GetOpCode(gate) == OpCode::STRING_ADD);
uint32_t curStatus = GetStringStatus(gate);
if (curStatus != type) {
StringStatusAccessor accessor(static_cast<uint64_t>(type));
auto meta = circuit_->StringAdd(accessor.ToValue());
SetMetaData(gate, meta);
}
}
TypedUnaryAccessor GateAccessor::GetTypedUnAccessor(GateRef gate) const
{
ASSERT((GetOpCode(gate) == OpCode::TYPED_UNARY_OP));
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return TypedUnaryAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedBinaryAccessor GateAccessor::GetTypedBinaryAccessor(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return TypedBinaryAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedJumpAccessor GateAccessor::GetTypedJumpAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::TYPED_CONDITION_JUMP);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return TypedJumpAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
ArrayMetaDataAccessor GateAccessor::GetArrayMetaDataAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STABLE_ARRAY_CHECK ||
GetOpCode(gate) == OpCode::HCLASS_STABLE_ARRAY_CHECK ||
GetOpCode(gate) == OpCode::ELEMENTSKIND_CHECK ||
GetOpCode(gate) == OpCode::CREATE_ARRAY ||
GetOpCode(gate) == OpCode::CREATE_ARRAY_WITH_BUFFER ||
GetOpCode(gate) == OpCode::CREATE_ARGUMENTS);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return ArrayMetaDataAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
bool GateAccessor::NeedPushArgv(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CALL_NEW);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetNewConstructMetaData()->NeedPushArgv();
}
CreateArgumentsAccessor GateAccessor::GetCreateArgumentsAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CREATE_ARGUMENTS);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return CreateArgumentsAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
ObjectTypeAccessor GateAccessor::GetObjectTypeAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::OBJECT_TYPE_CHECK);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return ObjectTypeAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
BuiltinPrototypeHClassAccessor GateAccessor::GetBuiltinHClassAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::BUILTIN_PROTOTYPE_HCLASS_CHECK);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return BuiltinPrototypeHClassAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedArrayMetaDateAccessor GateAccessor::GetTypedArrayMetaDateAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::TYPED_ARRAY_CHECK || GetOpCode(gate) == OpCode::LOAD_TYPED_ARRAY_LENGTH);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return TypedArrayMetaDateAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
LoadElementAccessor GateAccessor::GetLoadElementAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::LOAD_ELEMENT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return LoadElementAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
StoreElementAccessor GateAccessor::GetStoreElementAccessor(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STORE_ELEMENT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return StoreElementAccessor(gatePtr->GetOneParameterMetaData()->GetValue());
}
bool GateAccessor::TypedOpIsTypedArray(GateRef gate, TypedOpKind kind) const
{
switch (kind) {
case TypedOpKind::TYPED_LOAD_OP: {
TypedLoadOp op = GetTypedLoadOp(gate);
return TypedLoadOp::TYPED_ARRAY_FIRST <= op && op <=TypedLoadOp::TYPED_ARRAY_LAST;
}
case TypedOpKind::TYPED_STORE_OP: {
TypedStoreOp op = GetTypedStoreOp(gate);
return TypedStoreOp::TYPED_ARRAY_FIRST <= op && op <= TypedStoreOp::TYPED_ARRAY_LAST;
}
default:
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
}
TypedLoadOp GateAccessor::GetTypedLoadOp(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::LOAD_ELEMENT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<TypedLoadOp>(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedStoreOp GateAccessor::GetTypedStoreOp(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STORE_ELEMENT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<TypedStoreOp>(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedCallTargetCheckOp GateAccessor::GetTypedCallTargetCheckOp(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::TYPED_CALLTARGETCHECK_OP);
TypedCallTargetCheckAccessor accessor(TryGetValue(gate));
return accessor.GetCallTargetCheckOp();
}
MemoryType GateAccessor::GetMemoryType(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STORE_MEMORY);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<MemoryType>(gatePtr->GetOneParameterMetaData()->GetValue());
}
uint32_t GateAccessor::GetHClassIndex(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::STORE_PROPERTY ||
GetOpCode(gate) == OpCode::PROTOTYPE_CHECK);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<uint32_t>(gatePtr->GetOneParameterMetaData()->GetValue());
}
TypedBinOp GateAccessor::GetTypedBinaryOp(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::TYPED_BINARY_OP);
TypedBinaryAccessor accessor(TryGetValue(gate));
return accessor.GetTypedBinOp();
}
bool GateAccessor::HasNumberType(GateRef gate) const
{
OpCode op = GetOpCode(gate);
if (op == OpCode::TYPED_BINARY_OP) {
TypedBinaryAccessor accessor(TryGetValue(gate));
return accessor.GetParamType().HasNumberType();
}
return false;
}
bool GateAccessor::HasStringType(GateRef gate) const
{
OpCode op = GetOpCode(gate);
if (op == OpCode::TYPED_BINARY_OP) {
TypedBinaryAccessor accessor(TryGetValue(gate));
return accessor.GetParamType().IsStringType();
}
return false;
}
GlobalTSTypeRef GateAccessor::GetFuncGT(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::JSINLINETARGET_TYPE_CHECK);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
auto value = static_cast<uint32_t>((gatePtr->GetOneParameterMetaData()->GetValue()));
return GlobalTSTypeRef(value);
}
GateType GateAccessor::GetParamGateType(GateRef gate) const
{
// NOTICE-PGO: consider to delete this function in Part3, only primitive_type_check use,
// which is generate in the retype pass
ASSERT(GetOpCode(gate) == OpCode::PRIMITIVE_TYPE_CHECK);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
GateTypeAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetGateType();
}
ParamType GateAccessor::GetParamType(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
GateTypeAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetParamType();
}
bool GateAccessor::IsConvertSupport(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CONVERT ||
GetOpCode(gate) == OpCode::CHECK_AND_CONVERT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ValuePairTypeAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.IsConvertSupport();
}
ValueType GateAccessor::GetSrcType(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CONVERT ||
GetOpCode(gate) == OpCode::CHECK_AND_CONVERT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ValuePairTypeAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetSrcType();
}
ValueType GateAccessor::GetDstType(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CONVERT ||
GetOpCode(gate) == OpCode::CHECK_AND_CONVERT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ValuePairTypeAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetDstType();
}
uint32_t GateAccessor::GetFirstValue(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::RANGE_GUARD);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
UInt32PairAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetFirstValue();
}
uint32_t GateAccessor::GetSecondValue(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::RANGE_GUARD);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
UInt32PairAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetSecondValue();
}
size_t GateAccessor::GetVirtualRegisterIndex(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::SAVE_REGISTER ||
GetOpCode(gate) == OpCode::RESTORE_REGISTER);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return static_cast<size_t>(gatePtr->GetOneParameterMetaData()->GetValue());
}
uint64_t GateAccessor::GetConstantValue(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CONSTANT);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOneParameterMetaData()->GetValue();
}
const ChunkVector<char>& GateAccessor::GetConstantString(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CONSTSTRING);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetStringMetaData()->GetString();
}
bool GateAccessor::IsVtable(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::LOAD_PROPERTY);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetBoolMetaData()->GetBool();
}
bool GateAccessor::GetNoGCFlag(GateRef gate) const
{
if (gate == Circuit::NullGate()) {
return false;
}
OpCode op = GetOpCode(gate);
if (op != OpCode::TYPEDCALL && op != OpCode::TYPEDFASTCALL) {
return false;
}
return TypedCallIsNoGC(gate);
}
bool GateAccessor::TypedCallIsNoGC(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::TYPEDCALL || GetOpCode(gate) == OpCode::TYPEDFASTCALL);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetTypedCallMetaData()->IsNoGC();
}
bool GateAccessor::IsNoGC(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::CALL_OPTIMIZED || GetOpCode(gate) == OpCode::FAST_CALL_OPTIMIZED);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetBoolMetaData()->GetBool();
}
uint32_t GateAccessor::TryGetPcOffset(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
switch (op) {
case OpCode::JS_BYTECODE:
return gatePtr->GetJSBytecodeMetaData()->GetPcOffset();
case OpCode::TYPED_CALL_BUILTIN:
case OpCode::TYPED_CALL_BUILTIN_SIDE_EFFECT:
case OpCode::CONSTRUCT:
case OpCode::CALL_NEW:
case OpCode::CALL_GETTER:
case OpCode::CALL_SETTER:
return static_cast<uint32_t>(gatePtr->GetOneParameterMetaData()->GetValue());
case OpCode::TYPEDCALL:
case OpCode::TYPEDFASTCALL:
return static_cast<uint32_t>(gatePtr->GetTypedCallMetaData()->GetValue());
case OpCode::FRAME_STATE: {
UInt32PairAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetFirstValue();
}
default:
break;
}
return 0;
}
uint32_t GateAccessor::TryGetBcIndex(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
switch (op) {
case OpCode::JS_BYTECODE:
return gatePtr->GetJSBytecodeMetaData()->GetBcIndex();
default:
break;
}
return INVALID_BC_INDEX;
}
uint32_t GateAccessor::TryGetMethodOffset(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
switch (op) {
case OpCode::FRAME_ARGS: {
UInt32PairAccessor accessor(gatePtr->GetOneParameterMetaData()->GetValue());
return accessor.GetFirstValue();
}
case OpCode::JS_BYTECODE: {
return gatePtr->GetJSBytecodeMetaData()->GetMethodId();
}
default:
break;
}
return 0;
}
GateRef GateAccessor::GetFrameArgs(GateRef gate) const
{
if (!HasFrameState(gate)) {
return Circuit::NullGate();
}
if (GetOpCode(gate) == OpCode::FRAME_STATE) {
return GetValueIn(gate, 0); // 0: frame args
}
GateRef frameState = GetFrameState(gate);
OpCode op = GetOpCode(frameState);
if (op == OpCode::FRAME_ARGS) {
return frameState;
}
if (op == OpCode::FRAME_STATE) {
return GetValueIn(frameState, 0); // 0: frame args
}
return Circuit::NullGate();
}
void GateAccessor::UpdateMethodOffset(GateRef gate, uint32_t methodOffset)
{
ASSERT(GetOpCode(gate) == OpCode::FRAME_ARGS);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
UInt32PairAccessor accessor(methodOffset, 0);
const_cast<OneParameterMetaData *>(gatePtr->GetOneParameterMetaData())->SetValue(accessor.ToValue());
}
PGOTypeRef GateAccessor::TryGetPGOType(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
return gatePtr->GetJSBytecodeMetaData()->GetType();
}
return PGOTypeRef::NoneType();
}
void GateAccessor::TrySetPGOType(GateRef gate, PGOTypeRef type)
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
const_cast<JSBytecodeMetaData *>(gatePtr->GetJSBytecodeMetaData())->SetType(type);
}
}
uint32_t GateAccessor::TryGetArrayElementsLength(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
return gatePtr->GetJSBytecodeMetaData()->GetElementsLength();
}
return 0;
}
void GateAccessor::TrySetArrayElementsLength(GateRef gate, uint32_t length)
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
const_cast<JSBytecodeMetaData *>(gatePtr->GetJSBytecodeMetaData())->SetElementsLength(length);
}
}
ElementsKind GateAccessor::TryGetElementsKind(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
return Elements::FixElementsKind(gatePtr->GetJSBytecodeMetaData()->GetElementsKind());
}
return ElementsKind::GENERIC;
}
// Default is getting elementsKind before possible transition
ElementsKind GateAccessor::TryGetArrayElementsKind(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
ElementsKind kind = gatePtr->GetJSBytecodeMetaData()->GetElementsKind();
if (Elements::IsGeneric(kind)) {
return kind;
}
std::vector<ElementsKind> kinds = gatePtr->GetJSBytecodeMetaData()->GetElementsKinds();
for (auto &x : kinds) {
kind = Elements::MergeElementsKind(kind, x);
}
return kind;
}
return ElementsKind::GENERIC;
}
ElementsKind GateAccessor::TryGetArrayElementsKindAfterTransition(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
ElementsKind kind = gatePtr->GetJSBytecodeMetaData()->GetTransitionElementsKind();
if (Elements::IsGeneric(kind)) {
return kind;
}
std::vector<ElementsKind> kinds = gatePtr->GetJSBytecodeMetaData()->GetTransitionElementsKinds();
for (auto &x : kinds) {
kind = Elements::MergeElementsKind(kind, x);
}
return kind;
}
return ElementsKind::GENERIC;
}
void GateAccessor::TrySetElementsKind(GateRef gate, ElementsKind kind)
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
const_cast<JSBytecodeMetaData *>(gatePtr->GetJSBytecodeMetaData())->SetElementsKind(kind);
}
}
void GateAccessor::TrySetTransitionElementsKind(GateRef gate, ElementsKind kind)
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
const_cast<JSBytecodeMetaData *>(gatePtr->GetJSBytecodeMetaData())->SetTransitionElementsKind(kind);
}
}
void GateAccessor::TrySetOnHeapMode(GateRef gate, OnHeapMode onHeapMode) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
const_cast<JSBytecodeMetaData *>(gatePtr->GetJSBytecodeMetaData())->SetOnHeapMode(onHeapMode);
}
}
OnHeapMode GateAccessor::TryGetOnHeapMode(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
return gatePtr->GetJSBytecodeMetaData()->GetOnHeapMode();
}
return OnHeapMode::NONE;
}
EcmaOpcode GateAccessor::GetByteCodeOpcode(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::JS_BYTECODE);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetJSBytecodeMetaData()->GetByteCodeOpcode();
}
void GateAccessor::Print(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
gatePtr->Print();
}
#ifndef NDEBUG
void GateAccessor::PrintById(size_t id) const
{
GateRef gate = circuit_->GetGateRefById(id);
if (gate != Circuit::NullGate()) {
Gate *gatePtr = circuit_->LoadGatePtr(gate);
gatePtr->PrintWithBytecode();
} else {
LOG_COMPILER(INFO) << "id overflow!";
}
}
#endif
void GateAccessor::PrintWithBytecode(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
gatePtr->PrintWithBytecode();
}
void GateAccessor::ShortPrint(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
gatePtr->ShortPrint();
}
GateId GateAccessor::GetId(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetId();
}
size_t GateAccessor::GetInValueStarts(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetInValueStarts();
}
GateRef GateAccessor::GetValueIn(GateRef gate, size_t idx) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ASSERT(idx < gatePtr->GetInValueCount());
size_t valueIndex = gatePtr->GetInValueStarts();
return circuit_->GetIn(gate, valueIndex + idx);
}
size_t GateAccessor::GetNumValueIn(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetInValueCount();
}
std::vector<GateRef> GateAccessor::GetValueIns(GateRef gate) const
{
size_t num = GetNumValueIn(gate);
std::vector<GateRef> valueIns(num);
for (size_t i = 0; i < num; ++i) {
valueIns[i] = GetValueIn(gate, i);
}
return valueIns;
}
bool GateAccessor::IsGCRelated(GateRef gate) const
{
return GetGateType(gate).IsGCRelated();
}
GateRef GateAccessor::GetIn(GateRef gate, size_t idx) const
{
return circuit_->GetIn(gate, idx);
}
GateRef GateAccessor::GetState(GateRef gate, size_t idx) const
{
ASSERT(idx < circuit_->LoadGatePtr(gate)->GetStateCount());
return circuit_->GetIn(gate, idx);
}
void GateAccessor::GetInStates(GateRef gate, std::vector<GateRef>& ins) const
{
const Gate *curGate = circuit_->LoadGatePtrConst(gate);
for (size_t idx = 0; idx < curGate->GetStateCount(); idx++) {
ins.push_back(circuit_->GetGateRef(curGate->GetInGateConst(idx)));
}
}
void GateAccessor::GetIns(GateRef gate, std::vector<GateRef>& ins) const
{
const Gate *curGate = circuit_->LoadGatePtrConst(gate);
for (size_t idx = 0; idx < curGate->GetNumIns(); idx++) {
ins.push_back(circuit_->GetGateRef(curGate->GetInGateConst(idx)));
}
}
void GateAccessor::GetOuts(GateRef gate, std::vector<GateRef>& outs) const
{
const Gate *curGate = circuit_->LoadGatePtrConst(gate);
if (!curGate->IsFirstOutNull()) {
const Out *curOut = curGate->GetFirstOutConst();
GateRef ref = circuit_->GetGateRef(curOut->GetGateConst());
outs.push_back(ref);
while (!curOut->IsNextOutNull()) {
curOut = curOut->GetNextOutConst();
ref = circuit_->GetGateRef(curOut->GetGateConst());
outs.push_back(ref);
}
}
}
bool GateAccessor::HasOuts(GateRef gate) const
{
const Gate *curGate = circuit_->LoadGatePtrConst(gate);
return !curGate->IsFirstOutNull();
}
void GateAccessor::DeleteGateIfNoUse(GateRef gate)
{
if (!HasOuts(gate)) {
DeleteGate(gate);
}
}
void GateAccessor::GetOutStates(GateRef gate, std::vector<GateRef>& outStates) const
{
const Gate *curGate = circuit_->LoadGatePtrConst(gate);
if (!curGate->IsFirstOutNull()) {
const Out *curOut = curGate->GetFirstOutConst();
GateRef ref = circuit_->GetGateRef(curOut->GetGateConst());
if (GetMetaData(ref)->IsState()) {
outStates.push_back(ref);
}
while (!curOut->IsNextOutNull()) {
curOut = curOut->GetNextOutConst();
ref = circuit_->GetGateRef(curOut->GetGateConst());
if (GetMetaData(ref)->IsState()) {
outStates.push_back(ref);
}
}
}
}
void GateAccessor::GetStateUses(GateRef gate, std::vector<GateRef> &stateUses)
{
stateUses.clear();
auto uses = Uses(gate);
for (auto it = uses.begin(); it != uses.end(); it++) {
if (IsStateIn(it)) {
stateUses.emplace_back(*it);
}
}
}
void GateAccessor::GetDependUses(GateRef gate, std::vector<GateRef> &dependUses)
{
dependUses.clear();
auto uses = Uses(gate);
for (auto it = uses.begin(); it != uses.end(); it++) {
if (IsDependIn(it)) {
dependUses.emplace_back(*it);
}
}
}
void GateAccessor::GetValueUses(GateRef gate, std::vector<GateRef> &valueUses)
{
valueUses.clear();
auto uses = Uses(gate);
for (auto it = uses.begin(); it != uses.end(); it++) {
if (IsValueIn(it)) {
valueUses.emplace_back(*it);
}
}
}
size_t GateAccessor::GetValueUsesCount(GateRef gate)
{
size_t count = 0;
auto uses = Uses(gate);
for (auto it = uses.begin(); it != uses.end(); it++) {
if (IsValueIn(it)) {
count++;
}
}
return count;
}
void GateAccessor::GetAllGates(std::vector<GateRef>& gates) const
{
circuit_->GetAllGates(gates);
}
bool GateAccessor::IsInGateNull(GateRef gate, size_t idx) const
{
return circuit_->IsInGateNull(gate, idx);
}
bool GateAccessor::IsValueSelector(GateRef g) const
{
return GetOpCode(g) == OpCode::VALUE_SELECTOR;
}
bool GateAccessor::IsSelector(GateRef g) const
{
auto op = GetOpCode(g);
return (op == OpCode::VALUE_SELECTOR) || (op == OpCode::DEPEND_SELECTOR);
}
bool GateAccessor::IsFrameValues(GateRef g) const
{
auto op = GetOpCode(g);
return op == OpCode::FRAME_VALUES;
}
bool GateAccessor::IsIn(GateRef g, GateRef in) const
{
size_t n = GetNumIns(g);
for (size_t id = 0; id < n; id++) {
GateRef i = GetIn(g, id);
if (i == in) {
return true;
}
}
return false;
}
bool GateAccessor::IsSimpleState(GateRef g) const
{
auto op = GetOpCode(g);
return (op == OpCode::IF_TRUE ||
op == OpCode::IF_FALSE ||
op == OpCode::SWITCH_CASE ||
op == OpCode::DEFAULT_CASE ||
op == OpCode::LOOP_BACK ||
op == OpCode::MERGE ||
op == OpCode::VALUE_SELECTOR ||
op == OpCode::DEPEND_SELECTOR ||
op == OpCode::DEPEND_RELAY ||
op == OpCode::ORDINARY_BLOCK);
}
bool GateAccessor::IsControlCase(GateRef gate) const
{
return circuit_->IsControlCase(gate);
}
bool GateAccessor::IsLoopExit(GateRef gate) const
{
return (GetOpCode(gate) == OpCode::LOOP_EXIT);
}
bool GateAccessor::IsLoopExitRelated(GateRef gate) const
{
return (GetOpCode(gate) == OpCode::LOOP_EXIT) ||
(GetOpCode(gate) == OpCode::LOOP_EXIT_DEPEND) ||
(GetOpCode(gate) == OpCode::LOOP_EXIT_VALUE);
}
bool GateAccessor::IsLoopHead(GateRef gate) const
{
return circuit_->IsLoopHead(gate);
}
bool GateAccessor::IsLoopBack(GateRef gate) const
{
return GetOpCode(gate) == OpCode::LOOP_BACK;
}
bool GateAccessor::IsState(GateRef gate) const
{
return GetMetaData(gate)->IsState();
}
bool GateAccessor::IsConstant(GateRef gate) const
{
return GetMetaData(gate)->IsConstant();
}
bool GateAccessor::IsDependSelector(GateRef gate) const
{
return GetMetaData(gate)->IsDependSelector();
}
bool GateAccessor::IsConstantValue(GateRef gate, uint64_t value) const
{
if (GetOpCode(gate) == OpCode::CONSTANT) {
uint64_t bitField = GetConstantValue(gate);
return bitField == value;
}
return false;
}
bool GateAccessor::IsConstantTaggedValue(GateRef gate, uint64_t value) const
{
if (GetMachineType(gate) != MachineType::I64 || GetGateType(gate).IsNJSValueType()) {
return false;
}
if (GetOpCode(gate) == OpCode::CONSTANT) {
uint64_t bitField = GetConstantValue(gate);
return bitField == value;
}
return false;
}
bool GateAccessor::IsConstantUndefined(GateRef gate) const
{
return IsConstantTaggedValue(gate, JSTaggedValue::VALUE_UNDEFINED);
}
bool GateAccessor::IsUndefinedOrNullOrHole(GateRef gate) const
{
return IsConstantTaggedValue(gate, JSTaggedValue::VALUE_UNDEFINED) ||
IsConstantTaggedValue(gate, JSTaggedValue::VALUE_NULL) ||
IsConstantTaggedValue(gate, JSTaggedValue::VALUE_HOLE);
}
bool GateAccessor::IsTypedOperator(GateRef gate) const
{
return GetMetaData(gate)->IsTypedOperator();
}
bool GateAccessor::IsNotWrite(GateRef gate) const
{
return GetMetaData(gate)->IsNotWrite();
}
bool GateAccessor::IsCheckWithTwoIns(GateRef gate) const
{
return GetMetaData(gate)->IsCheckWithTwoIns();
}
bool GateAccessor::IsCheckWithOneIn(GateRef gate) const
{
return GetMetaData(gate)->IsCheckWithOneIn();
}
bool GateAccessor::IsSchedulable(GateRef gate) const
{
return GetMetaData(gate)->IsSchedulable();
}
bool GateAccessor::IsVirtualState(GateRef gate) const
{
return GetMetaData(gate)->IsVirtualState();
}
bool GateAccessor::IsGeneralState(GateRef gate) const
{
return GetMetaData(gate)->IsGeneralState();
}
bool GateAccessor::IsIfOrSwitchRelated(GateRef gate) const
{
return GetMetaData(gate)->IsIfOrSwitchRelated();
}
GateRef GateAccessor::GetDep(GateRef gate, size_t idx) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ASSERT(idx < gatePtr->GetDependCount());
size_t dependIndex = gatePtr->GetStateCount();
return circuit_->GetIn(gate, dependIndex + idx);
}
size_t GateAccessor::GetImmediateId(GateRef gate) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ASSERT(gatePtr->GetGateType() == GateType::NJSValue());
ASSERT(gatePtr->GetOpCode() == OpCode::CONSTANT);
ASSERT(gatePtr->GetMachineType() == MachineType::I64);
size_t imm = gatePtr->GetOneParameterMetaData()->GetValue();
return imm;
}
void GateAccessor::SetDep(GateRef gate, GateRef depGate, size_t idx)
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
ASSERT(idx < gatePtr->GetDependCount());
size_t dependIndex = gatePtr->GetStateCount();
gatePtr->ModifyIn(dependIndex + idx, circuit_->LoadGatePtr(depGate));
}
UseIterator GateAccessor::ReplaceIn(const UseIterator &useIt, GateRef replaceGate)
{
UseIterator next = useIt;
next++;
Gate *curGatePtr = circuit_->LoadGatePtr(*useIt);
Gate *replaceGatePtr = circuit_->LoadGatePtr(replaceGate);
curGatePtr->ModifyIn(useIt.GetIndex(), replaceGatePtr);
return next;
}
GateType GateAccessor::GetGateType(GateRef gate) const
{
return circuit_->LoadGatePtr(gate)->GetGateType();
}
void GateAccessor::SetGateType(GateRef gate, GateType gt)
{
circuit_->LoadGatePtr(gate)->SetGateType(gt);
}
UseIterator GateAccessor::ReplaceHirIfSuccess(const UseIterator &useIt, GateRef state)
{
ASSERT(GetOpCode(*useIt) == OpCode::IF_SUCCESS);
auto uses = Uses(*useIt);
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
it = ReplaceIn(it, state);
}
}
auto next = DeleteGate(useIt);
return next;
}
UseIterator GateAccessor::ReplaceHirIfException(const UseIterator &useIt, StateDepend replacement)
{
ASSERT(GetOpCode(*useIt) == OpCode::IF_EXCEPTION);
auto uses = Uses(*useIt);
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
it = ReplaceIn(it, replacement.State());
} else if (IsDependIn(it)) {
it = ReplaceIn(it, replacement.Depend());
} else {
ASSERT(!IsValueIn(it));
}
}
UseIterator next = useIt;
next++;
return next;
}
void GateAccessor::ExceptionReturn(GateRef state, GateRef depend)
{
CircuitBuilder builder(circuit_);
auto constant = builder.ExceptionConstant();
builder.Return(state, depend, constant);
}
void GateAccessor::ReplaceHirWithIfBranch(GateRef hirGate, StateDepend success,
StateDepend exception, GateRef value)
{
auto uses = Uses(hirGate);
GateRef ifException = Circuit::NullGate();
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
const OpCode op = GetOpCode(*it);
if (op == OpCode::IF_SUCCESS) {
it = ReplaceHirIfSuccess(it, success.State());
} else if (op == OpCode::IF_EXCEPTION) {
ifException = *it;
it = ReplaceHirIfException(it, exception);
} else if (GetMetaData(*it)->IsVirtualState()) {
it = ReplaceIn(it, success.State());
} else {
ExceptionReturn(exception.State(), exception.Depend());
it = ReplaceIn(it, success.State());
}
} else if (IsDependIn(it)) {
const OpCode op = GetOpCode(*it);
if (op == OpCode::IF_EXCEPTION) {
// ignore it now.
it++;
} else {
it = ReplaceIn(it, success.Depend());
}
} else {
ASSERT(IsValueIn(it));
it = ReplaceIn(it, value);
}
}
if (ifException != Circuit::NullGate()) {
DeleteGate(ifException);
}
// delete old gate
DeleteGate(hirGate);
}
void GateAccessor::ReplaceHirDirectly(GateRef hirGate,
StateDepend replacement, GateRef value)
{
auto uses = Uses(hirGate);
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
ASSERT(GetOpCode(*it) != OpCode::IF_SUCCESS &&
GetOpCode(*it) != OpCode::IF_EXCEPTION);
it = ReplaceIn(it, replacement.State());
} else if (IsDependIn(it)) {
it = ReplaceIn(it, replacement.Depend());
} else {
ASSERT(IsValueIn(it));
it = ReplaceIn(it, value);
}
}
// delete old gate
DeleteGate(hirGate);
}
void GateAccessor::ReplaceHirAndDeleteIfException(GateRef hirGate,
StateDepend replacement, GateRef value)
{
if (value != Circuit::NullGate()) {
auto type = GetGateType(hirGate);
if (!type.IsAnyType()) {
SetGateType(value, type);
}
}
GateRef ifException = Circuit::NullGate();
auto uses = Uses(hirGate);
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
const OpCode op = GetOpCode(*it);
if (op == OpCode::IF_SUCCESS) {
it = ReplaceHirIfSuccess(it, replacement.State());
} else if (op == OpCode::IF_EXCEPTION) {
ifException = *it;
it = ReplaceIn(it, circuit_->DeadGate());
} else {
it = ReplaceIn(it, replacement.State());
}
} else if (IsDependIn(it)) {
const OpCode op = GetOpCode(*it);
if (op == OpCode::IF_EXCEPTION) {
it = ReplaceIn(it, circuit_->DeadGate());
} else {
it = ReplaceIn(it, replacement.Depend());
}
} else {
ASSERT(IsValueIn(it));
it = ReplaceIn(it, value);
}
}
// delete old gate
DeleteGate(hirGate);
if (ifException != Circuit::NullGate()) {
ReplaceGate(ifException, circuit_->DeadGate());
}
}
UseIterator GateAccessor::DeleteGate(const UseIterator &useIt)
{
auto next = useIt;
next++;
circuit_->DeleteGate(*useIt);
return next;
}
void GateAccessor::DecreaseIn(const UseIterator &useIt)
{
size_t idx = useIt.GetIndex();
circuit_->DecreaseIn(*useIt, idx);
}
void GateAccessor::DecreaseIn(GateRef gate, size_t index)
{
circuit_->DecreaseIn(gate, index);
}
void GateAccessor::NewIn(GateRef gate, size_t idx, GateRef in)
{
circuit_->NewIn(gate, idx, in);
}
size_t GateAccessor::GetStateCount(GateRef gate) const
{
return circuit_->LoadGatePtr(gate)->GetStateCount();
}
size_t GateAccessor::GetDependCount(GateRef gate) const
{
return circuit_->LoadGatePtr(gate)->GetDependCount();
}
size_t GateAccessor::GetInValueCount(GateRef gate) const
{
return circuit_->LoadGatePtr(gate)->GetInValueCount();
}
void GateAccessor::UpdateAllUses(GateRef oldIn, GateRef newIn)
{
if (oldIn == newIn) {
return;
}
auto uses = Uses(oldIn);
for (auto useIt = uses.begin(); useIt != uses.end();) {
useIt = ReplaceIn(useIt, newIn);
}
}
void GateAccessor::ReplaceIn(GateRef gate, size_t index, GateRef in)
{
circuit_->ModifyIn(gate, index, in);
}
void GateAccessor::DeleteIn(GateRef gate, size_t idx)
{
ASSERT(idx < circuit_->LoadGatePtrConst(gate)->GetNumIns());
ASSERT(!circuit_->IsInGateNull(gate, idx));
circuit_->LoadGatePtr(gate)->DeleteIn(idx);
}
void GateAccessor::ReplaceStateIn(GateRef gate, GateRef in, size_t index)
{
ASSERT(index < GetStateCount(gate));
circuit_->ModifyIn(gate, index, in);
}
void GateAccessor::ReplaceDependIn(GateRef gate, GateRef in, size_t index)
{
ASSERT(index < GetDependCount(gate));
size_t stateCount = GetStateCount(gate);
circuit_->ModifyIn(gate, stateCount + index, in);
}
void GateAccessor::ReplaceOrNewDependIn(GateRef gate, GateRef in, size_t index)
{
ASSERT(index < GetDependCount(gate));
size_t stateCount = GetStateCount(gate);
auto depend = GetDep(gate);
if (depend == Circuit::NullGate()) {
circuit_->NewIn(gate, stateCount + index, in);
} else {
circuit_->ModifyIn(gate, stateCount + index, in);
}
}
void GateAccessor::ReplaceValueIn(GateRef gate, GateRef in, size_t index)
{
ASSERT(index < GetInValueCount(gate));
size_t valueStartIndex = GetInValueStarts(gate);
circuit_->ModifyIn(gate, valueStartIndex + index, in);
}
void GateAccessor::DeleteGate(GateRef gate)
{
circuit_->DeleteGate(gate);
}
MachineType GateAccessor::GetMachineType(GateRef gate) const
{
return circuit_->GetMachineType(gate);
}
void GateAccessor::SetMachineType(GateRef gate, MachineType type)
{
circuit_->SetMachineType(gate, type);
}
GateRef GateAccessor::GetConstantGate(MachineType bitValue, BitField bitfield, GateType type) const
{
return circuit_->GetConstantGate(bitValue, bitfield, type);
}
GateRef GateAccessor::GetInitialEnvGate(GateRef jsFunc) const
{
return circuit_->GetInitialEnvGate(jsFunc);
}
bool GateAccessor::IsConstantNumber(GateRef gate) const
{
DISALLOW_GARBAGE_COLLECTION;
if (GetGateType(gate).IsNJSValueType() ||
(GetOpCode(gate) != OpCode::CONSTANT)) {
return false;
}
JSTaggedValue value(GetConstantValue(gate));
return value.IsNumber();
}
double GateAccessor::GetFloat64FromConstant(GateRef gate) const
{
DISALLOW_GARBAGE_COLLECTION;
ASSERT(GetOpCode(gate) == OpCode::CONSTANT);
uint64_t rawValue = GetConstantValue(gate);
if (GetGateType(gate).IsNJSValueType()) {
ASSERT(GetMachineType(gate) == MachineType::F64);
return base::bit_cast<double>(rawValue);
}
JSTaggedValue value(rawValue);
return value.GetDouble();
}
int GateAccessor::GetInt32FromConstant(GateRef gate) const
{
DISALLOW_GARBAGE_COLLECTION;
ASSERT(GetOpCode(gate) == OpCode::CONSTANT);
uint64_t rawValue = GetConstantValue(gate);
if (GetGateType(gate).IsNJSValueType()) {
ASSERT(GetMachineType(gate) == MachineType::I32);
return static_cast<int>(rawValue);
}
JSTaggedValue value(rawValue);
return value.GetInt();
}
bool GateAccessor::IsStateIn(const UseIterator &useIt) const
{
size_t stateStartIndex = 0;
size_t stateEndIndex = stateStartIndex + GetStateCount(*useIt);
size_t index = useIt.GetIndex();
return (index >= stateStartIndex && index < stateEndIndex);
}
bool GateAccessor::IsDependIn(const UseIterator &useIt) const
{
size_t dependStartIndex = GetStateCount(*useIt);
size_t dependEndIndex = dependStartIndex + GetDependCount(*useIt);
size_t index = useIt.GetIndex();
return (index >= dependStartIndex && index < dependEndIndex);
}
bool GateAccessor::IsValueIn(const UseIterator &useIt) const
{
size_t valueStartIndex = GetInValueStarts(*useIt);
size_t valueEndIndex = valueStartIndex + GetInValueCount(*useIt);
size_t index = useIt.GetIndex();
return (index >= valueStartIndex && index < valueEndIndex);
}
bool GateAccessor::IsFrameStateIn(const UseIterator &useIt) const
{
size_t index = useIt.GetIndex();
return IsFrameStateIn(*useIt, index);
}
bool GateAccessor::IsStateIn(GateRef gate, size_t index) const
{
size_t stateStartIndex = 0;
size_t stateEndIndex = stateStartIndex + GetStateCount(gate);
return (index >= stateStartIndex && index < stateEndIndex);
}
bool GateAccessor::IsDependIn(GateRef gate, size_t index) const
{
size_t dependStartIndex = GetStateCount(gate);
size_t dependEndIndex = dependStartIndex + GetDependCount(gate);
return (index >= dependStartIndex && index < dependEndIndex);
}
bool GateAccessor::IsValueIn(GateRef gate, size_t index) const
{
size_t valueStartIndex = GetInValueStarts(gate);
size_t valueEndIndex = valueStartIndex + GetInValueCount(gate);
return (index >= valueStartIndex && index < valueEndIndex);
}
bool GateAccessor::IsFrameStateIn(GateRef gate, size_t index) const
{
Gate *gatePtr = circuit_->LoadGatePtr(gate);
size_t frameStateStartIndex = gatePtr->GetInFrameStateStarts();
size_t FrameStateEndIndex = frameStateStartIndex + gatePtr->GetInFrameStateCount();
return (index >= frameStateStartIndex && index < FrameStateEndIndex);
}
void GateAccessor::ReplaceGate(GateRef gate, GateRef state, GateRef depend, GateRef value)
{
if (value != Circuit::NullGate()) {
GateType type = GetGateType(gate);
GateType valueType = GetGateType(value);
if (!type.IsAnyType() && !valueType.IsNJSValueType()) {
SetGateType(value, type);
}
}
auto uses = Uses(gate);
for (auto useIt = uses.begin(); useIt != uses.end();) {
if (IsStateIn(useIt)) {
ASSERT(state != Circuit::NullGate());
useIt = ReplaceIn(useIt, state);
} else if (IsDependIn(useIt)) {
ASSERT(depend != Circuit::NullGate());
useIt = ReplaceIn(useIt, depend);
} else if (IsValueIn(useIt)) {
ASSERT(value != Circuit::NullGate());
useIt = ReplaceIn(useIt, value);
} else {
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
}
DeleteGate(gate);
}
void GateAccessor::ReplaceGate(GateRef gate, GateRef replacement)
{
GateRef depend = Circuit::NullGate();
if (GetDependCount(gate) > 0) {
ASSERT(GetDependCount(gate) == 1); // 1: one dep
depend = GetDep(gate);
}
GateRef state = Circuit::NullGate();
if (GetStateCount(gate) > 0) {
ASSERT(GetStateCount(gate) == 1); // 1: one state
state = GetState(gate);
}
return ReplaceGate(gate, StateDepend {state, depend}, replacement);
}
void GateAccessor::ReplaceGate(GateRef gate, StateDepend stateDepend, GateRef replacement)
{
ASSERT(gate != replacement);
auto state = stateDepend.State();
auto depend = stateDepend.Depend();
auto uses = Uses(gate);
for (auto it = uses.begin(); it != uses.end();) {
if (IsStateIn(it)) {
ASSERT(state != Circuit::NullGate());
it = ReplaceIn(it, state);
} else if (IsDependIn(it)) {
ASSERT(depend != Circuit::NullGate());
it = ReplaceIn(it, depend);
} else {
it = ReplaceIn(it, replacement);
}
}
DeleteGate(gate);
}
void GateAccessor::ReplaceControlGate(GateRef gate, GateRef newState)
{
auto uses = Uses(gate);
for (auto useIt = uses.begin(); useIt != uses.end();) {
if (IsStateIn(useIt)) {
OpCode opcode = GetOpCode(*useIt);
if (opcode == OpCode::VALUE_SELECTOR || opcode == OpCode::DEPEND_SELECTOR) {
useIt++;
} else {
useIt = ReplaceIn(useIt, newState);
}
} else {
LOG_ECMA(FATAL) << "this branch is unreachable";
UNREACHABLE();
}
}
// Do not delete this gate
}
// When Insert newGate, all the stateIn from state and dependIn from depend can be replaced to newGate
void GateAccessor::ReplaceInAfterInsert(GateRef state, GateRef depend, GateRef newGate)
{
auto uses = Uses(state);
for (auto useIt = uses.begin(); useIt != uses.end();) {
if (IsStateIn(useIt) && (*useIt != newGate)) {
ASSERT(newGate != Circuit::NullGate());
// Exception, for example, IF_TRUE / IF_FALSE -> DEPEND_RELAY,
// or LOOP_BEGIN / MERGE -> DEPEND_SELECTOR cannot be replaced
if (!IsState(*useIt)) {
useIt++;
continue;
}
useIt = ReplaceIn(useIt, newGate);
} else {
useIt++;
}
}
uses = Uses(depend);
for (auto useIt = uses.begin(); useIt != uses.end();) {
if (IsDependIn(useIt) && (*useIt != newGate)) {
ASSERT(newGate != Circuit::NullGate());
useIt = ReplaceIn(useIt, newGate);
} else {
useIt++;
}
}
}
// When loopExit, find stateSplit after DEPEND_SELECTOR
void GateAccessor::GetFrameStateDependIn(GateRef gate, GateRef &dependIn)
{
auto uses = Uses(gate);
size_t stateSplitCount = 0;
GateRef stateSplit = Circuit::NullGate();
for (auto it = uses.begin(); it != uses.end();) {
if (GetOpCode(*it) == OpCode::STATE_SPLIT) {
ASSERT(stateSplitCount < 1); // only one state Split;
stateSplitCount++;
stateSplit = *it;
break;
} else {
++it;
}
}
ASSERT(stateSplitCount <= 1);
if (stateSplitCount == 1 && stateSplit != Circuit::NullGate()) {
dependIn = stateSplit;
}
}
// When ifOp or loopExit, insertAfter
// stateIn: IF_TRUE / IF_FALSE / MERGE
// dependIn: DEPEND_RELAY / DEPEND_SELECTOR, if stateSplit follow closely, after the stateSplit.
void GateAccessor::GetStateInAndDependIn(GateRef insertAfter, GateRef &stateIn, GateRef &dependIn)
{
if (GetOpCode(insertAfter) == OpCode::IF_TRUE || GetOpCode(insertAfter) == OpCode::IF_FALSE
|| GetOpCode(insertAfter) == OpCode::IF_SUCCESS) {
auto uses = Uses(insertAfter);
for (auto it = uses.begin(); it != uses.end();) {
if (GetOpCode(*it) == OpCode::DEPEND_RELAY) {
stateIn = insertAfter;
dependIn = (*it);
break;
} else {
++it;
}
}
} else if (GetOpCode(insertAfter) == OpCode::MERGE) {
auto uses = Uses(insertAfter);
for (auto it = uses.begin(); it != uses.end();) {
if (GetOpCode(*it) == OpCode::DEPEND_SELECTOR) {
stateIn = insertAfter;
dependIn = (*it);
GetFrameStateDependIn(*it, dependIn);
break;
} else {
++it;
}
}
}
ASSERT(GetDependCount(dependIn) > 0);
}
size_t GateAccessor::GetFrameDepth(GateRef gate, OpCode op)
{
if (GetOpCode(gate) != op) {
return 0;
}
size_t depth = 0;
GateRef prev = GetFrameState(gate);
while ((GetOpCode(prev) == op)) {
depth++;
prev = GetFrameState(prev);
}
return depth;
}
GateRef GateAccessor::GetFrameState(GateRef gate) const
{
ASSERT(HasFrameState(gate));
Gate *gatePtr = circuit_->LoadGatePtr(gate);
size_t index = gatePtr->GetInFrameStateStarts();
return circuit_->GetIn(gate, index);
}
GateRef GateAccessor::FindNearestFrameState(GateRef gate) const
{
auto statesplit = FindNearestStateSplit(gate);
return GetFrameState(statesplit);
}
GateRef GateAccessor::FindNearestStateSplit(GateRef gate) const
{
auto statesplit = gate;
while (GetOpCode(statesplit) != OpCode::STATE_SPLIT) {
statesplit = GetDep(statesplit);
}
return statesplit;
}
bool GateAccessor::HasFrameState(GateRef gate) const
{
return GetMetaData(gate)->HasFrameState();
}
void GateAccessor::ReplaceFrameStateIn(GateRef gate, GateRef in)
{
ASSERT(HasFrameState(gate));
Gate *gatePtr = circuit_->LoadGatePtr(gate);
size_t index = gatePtr->GetInFrameStateStarts();
circuit_->ModifyIn(gate, index, in);
}
GateRef GateAccessor::GetRoot(OpCode opcode) const
{
GateRef root = circuit_->GetRoot();
if (opcode == OpCode::CIRCUIT_ROOT) {
return root;
}
auto uses = ConstUses(root);
for (auto useIt = uses.begin(); useIt != uses.end(); ++useIt) {
if (GetOpCode(*useIt) == opcode) {
return *useIt;
}
}
return Circuit::NullGate();
}
GateRef GateAccessor::GetGlueFromArgList() const
{
auto argRoot = GetArgRoot();
ASSERT(static_cast<size_t>(CommonArgIdx::GLUE) == 0);
const Gate *curGate = circuit_->LoadGatePtrConst(argRoot);
const Out *curOut = curGate->GetFirstOutConst();
ASSERT(!curGate->IsFirstOutNull());
while (!curOut->IsNextOutNull()) {
curOut = curOut->GetNextOutConst();
}
return circuit_->GetGateRef(curOut->GetGateConst());
}
void GateAccessor::GetArgsOuts(std::vector<GateRef>& outs) const
{
auto argRoot = GetArgRoot();
GetOuts(argRoot, outs);
}
void GateAccessor::GetReturnOuts(std::vector<GateRef>& outs) const
{
auto returnRoot = GetReturnRoot();
GetOuts(returnRoot, outs);
}
const GateMetaData *GateAccessor::GetMetaData(GateRef gate) const
{
return circuit_->LoadGatePtrConst(gate)->GetMetaData();
}
void GateAccessor::SetMetaData(GateRef gate, const GateMetaData* meta)
{
return circuit_->LoadGatePtr(gate)->SetMetaData(meta);
}
bool GateAccessor::IsFixed(GateRef g) const
{
return GetMetaData(g)->IsFixed();
}
bool GateAccessor::IsProlog(GateRef g) const
{
return GetMetaData(g)->IsProlog();
}
bool GateAccessor::IsCFGMerge(GateRef g) const
{
return GetMetaData(g)->IsCFGMerge();
}
bool GateAccessor::MetaDataEqu(GateRef g1, GateRef g2) const
{
return GetMetaData(g1) == GetMetaData(g2);
}
bool GateAccessor::MetaDataValueEqu(GateRef g1, GateRef g2) const
{
const GateMetaData *g1Meta = GetMetaData(g1);
const GateMetaData *g2Meta = GetMetaData(g2);
return g1Meta->equal(*g2Meta);
}
bool GateAccessor::IsNop(GateRef g) const
{
return GetMetaData(g)->IsNop();
}
bool GateAccessor::IsDead(GateRef gate) const
{
return GetMetaData(gate)->IsDead();
}
bool GateAccessor::IsRoot(GateRef g) const
{
return GetMetaData(g)->IsRoot();
}
const GateMetaData *ConstGateAccessor::GetMetaData(GateRef g) const
{
return circuit_->LoadGatePtrConst(g)->GetMetaData();
}
bool ConstGateAccessor::IsFixed(GateRef g) const
{
return GetMetaData(g)->IsFixed();
}
bool ConstGateAccessor::IsProlog(GateRef g) const
{
return GetMetaData(g)->IsProlog();
}
bool ConstGateAccessor::IsSchedulable(GateRef g) const
{
return GetMetaData(g)->IsSchedulable();
}
GateRef GateAccessor::GetDependSelectorFromMerge(GateRef gate)
{
GateRef depend = Circuit::NullGate();
auto uses = Uses(gate);
for (auto useIt = uses.begin(); useIt != uses.end(); useIt++) {
if (GetOpCode(*useIt) == OpCode::DEPEND_SELECTOR) {
depend = *useIt;
break;
}
}
ASSERT(depend != Circuit::NullGate());
return depend;
}
bool GateAccessor::HasIfExceptionUse(GateRef gate) const
{
ASSERT(GetStateCount(gate) > 0);
auto uses = ConstUses(gate);
for (auto it = uses.begin(); it != uses.end(); it++) {
if (GetOpCode(*it) == OpCode::IF_EXCEPTION) {
return true;
}
}
return false;
}
bool GateAccessor::IsHeapObjectFromElementsKind(GateRef gate)
{
OpCode opcode = GetOpCode(gate);
if (opcode == OpCode::JS_BYTECODE) {
auto bc = GetByteCodeOpcode(gate);
if (bc == EcmaOpcode::LDOBJBYVALUE_IMM8_V8 || bc == EcmaOpcode::LDOBJBYVALUE_IMM16_V8 ||
bc == EcmaOpcode::LDTHISBYVALUE_IMM8 || bc == EcmaOpcode::LDTHISBYVALUE_IMM16) {
ElementsKind kind = TryGetElementsKind(gate);
return Elements::IsObject(kind);
}
return false;
}
if (opcode == OpCode::LOAD_ELEMENT) {
TypedLoadOp typedOp = GetTypedLoadOp(gate);
return typedOp == TypedLoadOp::ARRAY_LOAD_OBJECT_ELEMENT;
}
return false;
}
bool GateAccessor::IsConstString(GateRef gate)
{
OpCode op = GetOpCode(gate);
if (op == OpCode::JS_BYTECODE) {
EcmaOpcode ecmaOpcode = GetByteCodeOpcode(gate);
return ecmaOpcode == EcmaOpcode::LDA_STR_ID16;
}
return false;
}
bool GateAccessor::IsSingleCharGate(GateRef gate)
{
OpCode op = GetOpCode(gate);
if (op == OpCode::LOAD_ELEMENT) {
return GetTypedLoadOp(gate) == TypedLoadOp::STRING_LOAD_ELEMENT;
}
return false;
}
bool GateAccessor::UseForTypeOpProfilerGate(GateRef gate) const
{
OpCode op = GetOpCode(gate);
switch (op) {
#define DECLARE_GATE_OPCODE(NAME, OP, R, S, D, V) \
case OpCode::OP: \
return true;
MCR_IMMUTABLE_META_DATA_CACHE_LIST(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_WITH_PC_OFFSET(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_FOR_CALL(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_WITH_VALUE(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_WITH_BOOL(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_WITH_GATE_TYPE(DECLARE_GATE_OPCODE)
MCR_GATE_META_DATA_LIST_WITH_VALUE_IN(DECLARE_GATE_OPCODE)
#undef DECLARE_GATE_OPCODE
default:
return false;
}
}
uint32_t GateAccessor::GetStringIdFromLdaStrGate(GateRef gate)
{
ASSERT(GetByteCodeOpcode(gate) == EcmaOpcode::LDA_STR_ID16);
GateRef stringId = GetValueIn(gate, 0);
return GetConstantValue(stringId);
}
bool GateAccessor::IsLoopBackUse(GateRef gate, const UseIterator &useIt) const
{
if (IsLoopBack(gate) && IsStateIn(useIt)) {
return IsLoopHead(*useIt);
}
if ((IsValueSelector(*useIt) && IsValueIn(useIt)) ||
(IsDependSelector(*useIt) && IsDependIn(useIt))) {
return IsLoopHead(GetState(*useIt));
}
return false;
}
bool GateAccessor::IsCreateArray(GateRef gate) const
{
if (GetOpCode(gate) != OpCode::JS_BYTECODE) {
return false;
}
EcmaOpcode ecmaop = GetByteCodeOpcode(gate);
switch (ecmaop) {
case EcmaOpcode::CREATEEMPTYARRAY_IMM8:
case EcmaOpcode::CREATEEMPTYARRAY_IMM16:
case EcmaOpcode::CREATEARRAYWITHBUFFER_IMM8_ID16:
case EcmaOpcode::CREATEARRAYWITHBUFFER_IMM16_ID16:
return true;
default:
return false;
}
UNREACHABLE();
return false;
}
void GateAccessor::SetStoreNoBarrier(GateRef gate, bool isNoBarrier)
{
ASSERT(GetOpCode(gate) == OpCode::MONO_STORE_PROPERTY_LOOK_UP_PROTO ||
GetOpCode(gate) == OpCode::MONO_STORE_PROPERTY);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
const_cast<BoolMetaData *>(gatePtr->GetBoolMetaData())->SetBool(isNoBarrier);
}
bool GateAccessor::IsNoBarrier(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::MONO_STORE_PROPERTY_LOOK_UP_PROTO ||
GetOpCode(gate) == OpCode::MONO_STORE_PROPERTY);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetBoolMetaData()->GetBool();
}
uint32_t GateAccessor::GetConstpoolId(GateRef gate) const
{
ASSERT(GetOpCode(gate) == OpCode::GET_SHARED_CONSTPOOL);
Gate *gatePtr = circuit_->LoadGatePtr(gate);
return gatePtr->GetOneParameterMetaData()->GetValue();
}
GateRef GateAccessor::GetFrameValue(GateRef gate)
{
ASSERT(GetOpCode(gate) == OpCode::FRAME_STATE);
return GetValueIn(gate, 1);
}
TypedBinOp GateAccessor::GetRevCompareOpForTypedBinOp(TypedBinOp op)
{
switch (op) {
case TypedBinOp::TYPED_LESS:
return TypedBinOp::TYPED_GREATEREQ;
case TypedBinOp::TYPED_LESSEQ:
return TypedBinOp::TYPED_GREATER;
case TypedBinOp::TYPED_GREATER:
return TypedBinOp::TYPED_LESSEQ;
case TypedBinOp::TYPED_GREATEREQ:
return TypedBinOp::TYPED_LESS;
case TypedBinOp::TYPED_EQ:
return TypedBinOp::TYPED_NOTEQ;
case TypedBinOp::TYPED_NOTEQ:
return TypedBinOp::TYPED_EQ;
default:
UNREACHABLE();
return op;
}
}
TypedBinOp GateAccessor::GetSwapCompareOpForTypedBinOp(TypedBinOp op)
{
switch (op) {
case TypedBinOp::TYPED_LESS:
return TypedBinOp::TYPED_GREATER;
case TypedBinOp::TYPED_LESSEQ:
return TypedBinOp::TYPED_GREATEREQ;
case TypedBinOp::TYPED_GREATER:
return TypedBinOp::TYPED_LESS;
case TypedBinOp::TYPED_GREATEREQ:
return TypedBinOp::TYPED_LESSEQ;
case TypedBinOp::TYPED_EQ:
return TypedBinOp::TYPED_EQ;
case TypedBinOp::TYPED_NOTEQ:
return TypedBinOp::TYPED_NOTEQ;
default:
UNREACHABLE();
return op;
}
}
} // namespace panda::ecmascript::kungfu