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ark_js_runtime/ecmascript/compiler/llvm_ir_builder.cpp
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getingke d667d9b5b9 fixed for code style check 
Signed-off-by: getingke <getingke@huawei.com>
Change-Id: I3ff8ba9fbeaa282d02f4832a4b6a85e054670765
2022-05-18 20:55:17 +08:00

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/*
* 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/llvm_ir_builder.h"
#include <iostream>
#include <set>
#include <string>
#include "ecmascript/compiler/bc_call_signature.h"
#include "ecmascript/compiler/bytecode_circuit_builder.h"
#include "ecmascript/compiler/circuit.h"
#include "ecmascript/compiler/call_signature.h"
#include "ecmascript/compiler/common_stubs.h"
#include "ecmascript/compiler/gate.h"
#include "ecmascript/compiler/rt_call_signature.h"
#include "ecmascript/frames.h"
#include "ecmascript/js_thread.h"
#include "ecmascript/js_method.h"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wshadow"
#pragma clang diagnostic ignored "-Wunused-parameter"
#elif defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshadow"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
#include "llvm/IR/Instructions.h"
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
#include "llvm/Support/Host.h"
#include "securec.h"
#include "utils/logger.h"
namespace panda::ecmascript::kungfu {
LLVMIRBuilder::LLVMIRBuilder(const std::vector<std::vector<GateRef>> *schedule, const Circuit *circuit,
LLVMModule *module, LLVMValueRef function, const CompilationConfig *cfg,
CallSignature::CallConv callConv, bool enableLog)
: compCfg_(cfg), scheduledGates_(schedule), circuit_(circuit), module_(module->GetModule()),
function_(function), llvmModule_(module), callConv_(callConv), enableLog_(enableLog)
{
builder_ = LLVMCreateBuilder();
context_ = LLVMGetGlobalContext();
bbID2BB_.clear();
SetFunctionCallConv();
InitializeHandlers();
LLVMSetGC(function_, "statepoint-example");
if (compCfg_->Is32Bit()) {
slotSize_ = panda::ecmascript::FrameConstants::ARM32_SLOT_SIZE;
slotType_ = LLVMInt32Type();
} else {
slotSize_ = panda::ecmascript::FrameConstants::AARCH64_SLOT_SIZE;
slotType_ = LLVMInt64Type();
}
if (compCfg_->Is32Bit()) {
// hard float instruction
LLVMAddTargetDependentFunctionAttr(function_, "target-features", "+armv8-a");
}
}
LLVMIRBuilder::~LLVMIRBuilder()
{
if (builder_ != nullptr) {
LLVMDisposeBuilder(builder_);
}
}
void LLVMIRBuilder::SetFunctionCallConv()
{
switch (callConv_) {
case CallSignature::CallConv::GHCCallConv:
LLVMSetFunctionCallConv(function_, LLVMGHCCallConv);
break;
case CallSignature::CallConv::WebKitJSCallConv: {
if (!compCfg_->Is32Bit()) {
LLVMSetFunctionCallConv(function_, LLVMWebKitJSCallConv);
} else {
LLVMSetFunctionCallConv(function_, LLVMCCallConv);
}
break;
}
default: {
LLVMSetFunctionCallConv(function_, LLVMCCallConv);
callConv_ = CallSignature::CallConv::CCallConv;
break;
}
}
}
int LLVMIRBuilder::FindBasicBlock(GateRef gate) const
{
for (size_t bbIdx = 0; bbIdx < scheduledGates_->size(); bbIdx++) {
const std::vector<GateRef>& bb = scheduledGates_->at(bbIdx);
for (size_t instIdx = bb.size(); instIdx > 0; instIdx--) {
GateRef tmp = bb[instIdx - 1];
if (tmp == gate) {
return bbIdx;
}
}
}
return -1;
}
void LLVMIRBuilder::InitializeHandlers()
{
opHandlers_ = {
{OpCode::STATE_ENTRY, &LLVMIRBuilder::HandleGoto},
{OpCode::RETURN, &LLVMIRBuilder::HandleReturn},
{OpCode::RETURN_VOID, &LLVMIRBuilder::HandleReturnVoid},
{OpCode::IF_BRANCH, &LLVMIRBuilder::HandleBranch},
{OpCode::SWITCH_BRANCH, &LLVMIRBuilder::HandleSwitch},
{OpCode::ORDINARY_BLOCK, &LLVMIRBuilder::HandleGoto},
{OpCode::IF_TRUE, &LLVMIRBuilder::HandleGoto},
{OpCode::IF_FALSE, &LLVMIRBuilder::HandleGoto},
{OpCode::SWITCH_CASE, &LLVMIRBuilder::HandleGoto},
{OpCode::MERGE, &LLVMIRBuilder::HandleGoto},
{OpCode::DEFAULT_CASE, &LLVMIRBuilder::HandleGoto},
{OpCode::LOOP_BEGIN, &LLVMIRBuilder::HandleGoto},
{OpCode::LOOP_BACK, &LLVMIRBuilder::HandleGoto},
{OpCode::VALUE_SELECTOR, &LLVMIRBuilder::HandlePhi},
{OpCode::RUNTIME_CALL, &LLVMIRBuilder::HandleRuntimeCall},
{OpCode::RUNTIME_CALL_WITH_ARGV, &LLVMIRBuilder::HandleRuntimeCallWithArgv},
{OpCode::NOGC_RUNTIME_CALL, &LLVMIRBuilder::HandleCall},
{OpCode::CALL, &LLVMIRBuilder::HandleCall},
{OpCode::BYTECODE_CALL, &LLVMIRBuilder::HandleBytecodeCall},
{OpCode::DEBUGGER_BYTECODE_CALL, &LLVMIRBuilder::HandleDebuggerBytecodeCall},
{OpCode::ALLOCA, &LLVMIRBuilder::HandleAlloca},
{OpCode::ARG, &LLVMIRBuilder::HandleParameter},
{OpCode::CONSTANT, &LLVMIRBuilder::HandleConstant},
{OpCode::RELOCATABLE_DATA, &LLVMIRBuilder::HandleRelocatableData},
{OpCode::ZEXT_TO_INT16, &LLVMIRBuilder::HandleZExtInt},
{OpCode::ZEXT_TO_INT32, &LLVMIRBuilder::HandleZExtInt},
{OpCode::ZEXT_TO_INT64, &LLVMIRBuilder::HandleZExtInt},
{OpCode::ZEXT_TO_ARCH, &LLVMIRBuilder::HandleZExtInt},
{OpCode::SEXT_TO_INT32, &LLVMIRBuilder::HandleSExtInt},
{OpCode::SEXT_TO_INT64, &LLVMIRBuilder::HandleSExtInt},
{OpCode::SEXT_TO_ARCH, &LLVMIRBuilder::HandleSExtInt},
{OpCode::TRUNC_TO_INT1, &LLVMIRBuilder::HandleCastIntXToIntY},
{OpCode::TRUNC_TO_INT32, &LLVMIRBuilder::HandleCastIntXToIntY},
{OpCode::TRUNC_TO_INT16, &LLVMIRBuilder::HandleCastIntXToIntY},
{OpCode::REV, &LLVMIRBuilder::HandleIntRev},
{OpCode::ADD, &LLVMIRBuilder::HandleAdd},
{OpCode::SUB, &LLVMIRBuilder::HandleSub},
{OpCode::MUL, &LLVMIRBuilder::HandleMul},
{OpCode::FDIV, &LLVMIRBuilder::HandleFloatDiv},
{OpCode::SDIV, &LLVMIRBuilder::HandleIntDiv},
{OpCode::UDIV, &LLVMIRBuilder::HandleUDiv},
{OpCode::AND, &LLVMIRBuilder::HandleIntAnd},
{OpCode::OR, &LLVMIRBuilder::HandleIntOr},
{OpCode::XOR, &LLVMIRBuilder::HandleIntXor},
{OpCode::LSR, &LLVMIRBuilder::HandleIntLsr},
{OpCode::ASR, &LLVMIRBuilder::HandleIntAsr},
{OpCode::SLT, &LLVMIRBuilder::HandleCmp},
{OpCode::ULT, &LLVMIRBuilder::HandleCmp},
{OpCode::SLE, &LLVMIRBuilder::HandleCmp},
{OpCode::ULE, &LLVMIRBuilder::HandleCmp},
{OpCode::SGT, &LLVMIRBuilder::HandleCmp},
{OpCode::UGT, &LLVMIRBuilder::HandleCmp},
{OpCode::SGE, &LLVMIRBuilder::HandleCmp},
{OpCode::UGE, &LLVMIRBuilder::HandleCmp},
{OpCode::NE, &LLVMIRBuilder::HandleCmp},
{OpCode::EQ, &LLVMIRBuilder::HandleCmp},
{OpCode::LOAD, &LLVMIRBuilder::HandleLoad},
{OpCode::STORE, &LLVMIRBuilder::HandleStore},
{OpCode::SIGNED_INT_TO_FLOAT, &LLVMIRBuilder::HandleChangeInt32ToDouble},
{OpCode::UNSIGNED_INT_TO_FLOAT, &LLVMIRBuilder::HandleChangeUInt32ToDouble},
{OpCode::FLOAT_TO_SIGNED_INT, &LLVMIRBuilder::HandleChangeDoubleToInt32},
{OpCode::TAGGED_TO_INT64, &LLVMIRBuilder::HandleChangeTaggedPointerToInt64},
{OpCode::INT64_TO_TAGGED, &LLVMIRBuilder::HandleChangeInt64ToTagged},
{OpCode::BITCAST, &LLVMIRBuilder::HandleBitCast},
{OpCode::LSL, &LLVMIRBuilder::HandleIntLsl},
{OpCode::SMOD, &LLVMIRBuilder::HandleMod},
{OpCode::FMOD, &LLVMIRBuilder::HandleMod},
};
illegalOpHandlers_ = {
OpCode::NOP, OpCode::CIRCUIT_ROOT, OpCode::DEPEND_ENTRY,
OpCode::FRAMESTATE_ENTRY, OpCode::RETURN_LIST, OpCode::THROW_LIST,
OpCode::CONSTANT_LIST, OpCode::ARG_LIST, OpCode::THROW,
OpCode::DEPEND_SELECTOR, OpCode::DEPEND_RELAY, OpCode::DEPEND_AND
};
}
std::string LLVMIRBuilder::LLVMValueToString(LLVMValueRef val) const
{
char* msg = LLVMPrintValueToString(val);
std::string str(msg);
LLVMDisposeMessage(msg);
return str;
}
void LLVMIRBuilder::Build()
{
for (size_t bbIdx = 0; bbIdx < scheduledGates_->size(); bbIdx++) {
const std::vector<GateRef>& bb = scheduledGates_->at(bbIdx);
for (size_t instIdx = bb.size(); instIdx > 0; instIdx--) {
GateId gateId = circuit_->GetId(bb[instIdx - 1]);
instID2bbID_[gateId] = static_cast<int>(bbIdx);
}
}
for (size_t bbIdx = 0; bbIdx < scheduledGates_->size(); bbIdx++) {
const std::vector<GateRef>& bb = scheduledGates_->at(bbIdx);
OperandsVector predecessors;
for (auto in : circuit_->GetInVector(bb[0])) {
if (!circuit_->GetOpCode(in).IsState()) {
continue;
}
predecessors.insert(instID2bbID_[circuit_->GetId(in)]);
}
LinkToLLVMCfg(bbIdx, predecessors);
for (size_t instIdx = bb.size(); instIdx > 0; instIdx--) {
GateRef gate = bb[instIdx - 1];
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
if (IsLogEnabled()) {
circuit_->Print(gate);
}
auto found = opHandlers_.find(circuit_->GetOpCode(gate));
if (found != opHandlers_.end()) {
(this->*(found->second))(gate);
continue;
}
if (illegalOpHandlers_.find(circuit_->GetOpCode(gate)) == illegalOpHandlers_.end()) {
COMPILER_OPTIONAL_LOG(ERROR) << "The gate below need to be translated ";
circuit_->Print(gate);
UNREACHABLE();
}
}
}
Finish();
}
BasicBlock *LLVMIRBuilder::EnsureBB(int id)
{
BasicBlock *bb = nullptr;
if (bbID2BB_.count(id) == 0) {
auto newBB = std::make_unique<BasicBlock>(id);
bb = newBB.get();
bbID2BB_[id] = std::move(newBB);
} else {
bb = bbID2BB_[id].get();
}
return bb;
}
void LLVMIRBuilder::SetToCfg(BasicBlock *bb) const
{
EnsureLBB(bb);
BasicBlockImpl *impl = bb->GetImpl<BasicBlockImpl>();
if ((impl == nullptr) || (impl->lBB_ == nullptr)) {
COMPILER_OPTIONAL_LOG(ERROR) << "SetToCfg failed ";
return;
}
impl->started = true;
bb->SetImpl(impl);
LLVMPositionBuilderAtEnd(builder_, impl->lBB_);
}
void LLVMIRBuilder::ProcessPhiWorkList()
{
for (BasicBlock *bb : phiRebuildWorklist_) {
auto impl = bb->GetImpl<BasicBlockImpl>();
for (auto &e : impl->unmergedPhis_) {
BasicBlock *pred = e.pred;
if (impl->started == 0) {
COMPILER_OPTIONAL_LOG(ERROR) << " ProcessPhiWorkList error hav't start ";
return;
}
LLVMValueRef value = gate2LValue_[e.operand];
if (LLVMTypeOf(value) != LLVMTypeOf(e.phi)) {
COMPILER_OPTIONAL_LOG(ERROR) << " ProcessPhiWorkList LLVMTypeOf don't match error ";
}
LLVMBasicBlockRef llvmBB = EnsureLBB(pred);
LLVMAddIncoming(e.phi, &value, &llvmBB, 1);
}
impl->unmergedPhis_.clear();
}
phiRebuildWorklist_.clear();
}
void LLVMIRBuilder::EndCurrentBlock() const
{
BasicBlockImpl *impl = currentBb_->GetImpl<BasicBlockImpl>();
impl->ended = true;
}
void LLVMIRBuilder::Finish()
{
ASSERT(!!currentBb_);
EndCurrentBlock();
ProcessPhiWorkList();
for (auto &it : bbID2BB_) {
it.second->ResetImpl<BasicBlockImpl>();
}
}
BasicBlockImpl *LLVMIRBuilder::EnsureBBImpl(BasicBlock *bb) const
{
if (bb->GetImpl<BasicBlockImpl>()) {
return bb->GetImpl<BasicBlockImpl>();
}
auto impl = std::make_unique<BasicBlockImpl>();
bb->SetImpl(impl.release());
return bb->GetImpl<BasicBlockImpl>();
}
void LLVMIRBuilder::GenPrologue([[maybe_unused]] LLVMModuleRef &module, LLVMBuilderRef &builder)
{
/* current frame for x86_64 system:
for optimized entry frame
0 pre <-- rbp register
-8 type
-16 current sp before call other function
-24 pre frame thread fp
for optimized frame
0 pre rbp <-- rbp
-8 type
-16 current sp before call other function
for 32 arm bit system:
not support
for arm64 system
for optimized entry frame
0 pre rbp <-- x29 register
-8 type
-16 current sp before call other function
-24 pre frame thread fp
for optimized frame
0 pre rbp <-- rbp
-8 type
-16 current sp before call other function
*/
if (compCfg_->Is32Bit()) {
return;
}
auto frameType = circuit_->GetFrameType();
if (IsInterpreted()) {
return;
}
LLVMAddTargetDependentFunctionAttr(function_, "frame-pointer", "all");
LLVMValueRef llvmFpAddr = CallingFp(module_, builder_, false);
LLVMValueRef frameAddr = LLVMBuildPtrToInt(builder, llvmFpAddr, slotType_, "cast_int_t");
LLVMValueRef frameTypeSlotAddr = LLVMBuildSub(builder, frameAddr, LLVMConstInt(slotType_,
slotSize_, false), "");
LLVMValueRef addr = LLVMBuildIntToPtr(builder, frameTypeSlotAddr,
LLVMPointerType(slotType_, 0), "frameType.Addr");
if (frameType == panda::ecmascript::FrameType::OPTIMIZED_FRAME) {
LLVMAddTargetDependentFunctionAttr(function_, "js-stub-call", "0");
} else if (frameType == panda::ecmascript::FrameType::OPTIMIZED_ENTRY_FRAME) {
LLVMAddTargetDependentFunctionAttr(function_, "js-stub-call", "1");
} else {
COMPILER_OPTIONAL_LOG(FATAL) << "frameType interpret type error !";
ASSERT_PRINT(static_cast<uintptr_t>(frameType), "is not support !");
}
LLVMValueRef llvmFrameType = LLVMConstInt(slotType_, static_cast<uintptr_t>(frameType), 0);
LLVMBuildStore(builder_, llvmFrameType, addr);
}
LLVMValueRef LLVMIRBuilder::CallingFp(LLVMModuleRef &module, LLVMBuilderRef &builder, bool isCaller)
{
if (IsInterpreted()) {
return LLVMGetParam(function_, static_cast<unsigned>(InterpreterHandlerInputs::SP));
}
/* 0:calling 1:its caller */
std::vector<LLVMValueRef> args = {LLVMConstInt(LLVMInt32Type(), 0, isCaller)};
auto fn = LLVMGetNamedFunction(module, "llvm.frameaddress.p0i8");
if (!fn) {
/* init instrinsic function declare */
LLVMTypeRef paramTys1[] = {
LLVMInt32Type(),
};
auto fnTy = LLVMFunctionType(LLVMPointerType(LLVMInt8Type(), 0), paramTys1, 1, 0);
fn = LLVMAddFunction(module, "llvm.frameaddress.p0i8", fnTy);
}
LLVMValueRef fAddrRet = LLVMBuildCall(builder, fn, args.data(), 1, "");
return fAddrRet;
}
LLVMValueRef LLVMIRBuilder::ReadRegister(LLVMModuleRef &module, [[maybe_unused]] LLVMBuilderRef &builder,
LLVMMetadataRef meta)
{
std::vector<LLVMValueRef> args = {LLVMMetadataAsValue(context_, meta)};
auto fn = LLVMGetNamedFunction(module, "llvm.read_register.i64");
if (!fn) {
/* init instrinsic function declare */
LLVMTypeRef paramTys1[] = {
GetMachineRepType(MachineRep::K_META),
};
auto fnTy = LLVMFunctionType(LLVMInt64Type(), paramTys1, 1, 0);
fn = LLVMAddFunction(module, "llvm.read_register.i64", fnTy);
}
LLVMValueRef fAddrRet = LLVMBuildCall(builder_, fn, args.data(), 1, "");
return fAddrRet;
}
LLVMBasicBlockRef LLVMIRBuilder::EnsureLBB(BasicBlock *bb) const
{
BasicBlockImpl *impl = EnsureBBImpl(bb);
if (impl->lBB_) {
return impl->lBB_;
}
std::string buf = "B" + std::to_string(bb->GetId());
LLVMBasicBlockRef llvmBB = LLVMAppendBasicBlock(function_, buf.c_str());
impl->lBB_ = llvmBB;
impl->continuation = llvmBB;
bb->SetImpl(impl);
return llvmBB;
}
LLVMTypeRef LLVMIRBuilder::GetMachineRepType(MachineRep rep) const
{
LLVMTypeRef dstType;
switch (rep) {
case MachineRep::K_BIT:
dstType = LLVMInt1TypeInContext(context_);
break;
case MachineRep::K_WORD8:
dstType = LLVMInt8TypeInContext(context_);
break;
case MachineRep::K_WORD16:
dstType = LLVMInt16TypeInContext(context_);
break;
case MachineRep::K_WORD32:
dstType = LLVMInt32TypeInContext(context_);
break;
case MachineRep::K_FLOAT64:
dstType = LLVMDoubleTypeInContext(context_);
break;
case MachineRep::K_WORD64:
dstType = LLVMInt64TypeInContext(context_);
break;
case MachineRep::K_PTR_1:
if (compCfg_->Is32Bit()) {
dstType = LLVMVectorType(LLVMPointerType(LLVMInt8Type(), 1), 2); // 2: packed vector type
} else {
dstType = LLVMPointerType(LLVMInt64TypeInContext(context_), 1);
}
break;
case MachineRep::K_META:
dstType = LLVMMetadataTypeInContext(context_);
break;
default:
UNREACHABLE();
break;
}
return dstType;
}
void LLVMIRBuilder::HandleCall(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
OpCode callOp = circuit_->GetOpCode(gate);
if (callOp == OpCode::CALL || callOp == OpCode::NOGC_RUNTIME_CALL) {
VisitCall(gate, ins, callOp);
} else {
abort();
}
}
void LLVMIRBuilder::HandleBytecodeCall(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitBytecodeCall(gate, ins);
}
void LLVMIRBuilder::HandleDebuggerBytecodeCall(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitDebuggerBytecodeCall(gate, ins);
}
void LLVMIRBuilder::HandleRuntimeCall(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitRuntimeCall(gate, ins);
}
LLVMValueRef LLVMIRBuilder::GetFunction(LLVMValueRef glue, StubIdType id, bool isDebug)
{
const CallSignature *signature;
int index = 0;
if (std::holds_alternative<RuntimeStubCSigns::ID>(id)) {
signature = RuntimeStubCSigns::Get(std::get<RuntimeStubCSigns::ID>(id));
index = static_cast<int>(std::get<RuntimeStubCSigns::ID>(id));
} else if (std::holds_alternative<CommonStubCSigns::ID>(id)) {
signature = CommonStubCSigns::Get(std::get<CommonStubCSigns::ID>(id));
index = static_cast<int>(std::get<CommonStubCSigns::ID>(id));
} else if (std::holds_alternative<LLVMValueRef>(id)) {
signature = BytecodeStubCSigns::BCHandler();
} else {
UNREACHABLE();
}
LLVMTypeRef rtfuncType = llvmModule_->GetFuncType(signature);
LLVMTypeRef rtfuncTypePtr = LLVMPointerType(rtfuncType, 0);
LLVMTypeRef glueType = LLVMTypeOf(glue);
LLVMValueRef rtoffset;
LLVMValueRef rtbaseoffset;
if (std::holds_alternative<RuntimeStubCSigns::ID>(id)) {
rtoffset = LLVMConstInt(glueType,
static_cast<int>(JSThread::GlueData::GetRTStubEntriesOffset(compCfg_->Is32Bit())) +
index * slotSize_, 0);
rtbaseoffset = LLVMBuildAdd(builder_, glue, rtoffset, "");
} else if (std::holds_alternative<CommonStubCSigns::ID>(id)) {
rtoffset = LLVMConstInt(glueType, JSThread::GlueData::GetCOStubEntriesOffset(compCfg_->Is32Bit()) +
static_cast<size_t>(index * slotSize_), 0);
rtbaseoffset = LLVMBuildAdd(builder_, glue, rtoffset, "");
} else if (std::holds_alternative<LLVMValueRef>(id)) {
LLVMValueRef bytecodeoffset;
if (isDebug) {
bytecodeoffset = LLVMConstInt(glueType,
JSThread::GlueData::GetBCDebuggerStubEntriesOffset(compCfg_->Is32Bit()), 0);
} else {
bytecodeoffset = LLVMConstInt(glueType,
JSThread::GlueData::GetBCStubEntriesOffset(compCfg_->Is32Bit()), 0);
}
LLVMValueRef opcodeOffset = std::get<LLVMValueRef>(id);
rtbaseoffset = LLVMBuildAdd(
builder_, glue, LLVMBuildAdd(builder_, bytecodeoffset, opcodeOffset, ""), "");
} else {
UNREACHABLE();
}
LLVMValueRef rtbaseAddr = LLVMBuildIntToPtr(builder_, rtbaseoffset, LLVMPointerType(glueType, 0), "");
LLVMValueRef llvmAddr = LLVMBuildLoad(builder_, rtbaseAddr, "");
LLVMValueRef callee = LLVMBuildIntToPtr(builder_, llvmAddr, rtfuncTypePtr, "cast");
assert(callee != nullptr);
return callee;
}
bool LLVMIRBuilder::IsInterpreted()
{
return circuit_->GetFrameType() == FrameType::INTERPRETER_FRAME;
}
bool LLVMIRBuilder::IsOptimized()
{
return circuit_->GetFrameType() == FrameType::OPTIMIZED_FRAME;
}
void LLVMIRBuilder::VisitRuntimeCall(GateRef gate, const std::vector<GateRef> &inList)
{
ASSERT(llvmModule_ != nullptr);
StubIdType stubId = RTSTUB_ID(CallRuntime);
LLVMValueRef glue = gate2LValue_[inList[static_cast<size_t>(CallInputs::GLUE)]];
LLVMValueRef callee = GetFunction(glue, stubId);
std::vector<LLVMValueRef> params;
params.push_back(glue); // glue
int index = static_cast<int>(circuit_->GetBitField(inList[static_cast<int>(CallInputs::TARGET)]));
params.push_back(LLVMConstInt(LLVMInt64Type(), index, 0)); // target
params.push_back(LLVMConstInt(LLVMInt64Type(),
inList.size() - static_cast<size_t>(CallInputs::FIRST_PARAMETER), 0)); // argc
for (size_t paraIdx = static_cast<size_t>(CallInputs::FIRST_PARAMETER); paraIdx < inList.size(); ++paraIdx) {
GateRef gateTmp = inList[paraIdx];
params.push_back(gate2LValue_[gateTmp]);
}
LLVMValueRef runtimeCall = LLVMBuildCall(builder_, callee, params.data(), inList.size(), "");
if (!compCfg_->Is32Bit()) { // Arm32 not support webkit jscc calling convention
LLVMSetInstructionCallConv(runtimeCall, LLVMWebKitJSCallConv);
}
gate2LValue_[gate] = runtimeCall;
}
void LLVMIRBuilder::HandleRuntimeCallWithArgv(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitRuntimeCallWithArgv(gate, ins);
}
void LLVMIRBuilder::VisitRuntimeCallWithArgv(GateRef gate, const std::vector<GateRef> &inList)
{
assert(IsOptimized() == true);
LLVMValueRef glue = gate2LValue_[inList[static_cast<size_t>(CallInputs::GLUE)]];
LLVMValueRef callee = GetFunction(glue, RTSTUB_ID(CallRuntimeWithArgv));
std::vector<LLVMValueRef> params;
params.push_back(glue); // glue
BitField index = circuit_->GetBitField(inList[static_cast<size_t>(CallInputs::TARGET)]);
auto targetId = LLVMConstInt(LLVMInt64Type(), index, 0);
params.push_back(targetId); // target
for (size_t paraIdx = static_cast<size_t>(CallInputs::FIRST_PARAMETER); paraIdx < inList.size(); ++paraIdx) {
GateRef gateTmp = inList[paraIdx];
params.push_back(gate2LValue_[gateTmp]);
}
LLVMValueRef runtimeCall = LLVMBuildCall(builder_, callee, params.data(), inList.size() - 1, "");
gate2LValue_[gate] = runtimeCall;
}
LLVMValueRef LLVMIRBuilder::GetCurrentSP()
{
LLVMMetadataRef meta;
if (compCfg_->IsAmd64()) {
meta = LLVMMDStringInContext2(context_, "rsp", 4); // 4 : 4 means len of "rsp"
} else {
meta = LLVMMDStringInContext2(context_, "sp", 3); // 3 : 3 means len of "sp"
}
LLVMMetadataRef metadataNode = LLVMMDNodeInContext2(context_, &meta, 1);
LLVMValueRef spValue = ReadRegister(module_, builder_, metadataNode);
return spValue;
}
void LLVMIRBuilder::SaveCurrentSP()
{
if (compCfg_->Is64Bit()) {
LLVMValueRef llvmFpAddr = CallingFp(module_, builder_, false);
LLVMValueRef frameAddr = LLVMBuildPtrToInt(builder_, llvmFpAddr, slotType_, "cast_int_t");
auto callSiteSpOffset = IsInterpreted() ?
AsmInterpretedFrame::GetCallSiteFpToSpDelta(compCfg_->Is32Bit()) :
OptimizedFrame::GetCallSiteFpToSpDelta(compCfg_->Is32Bit());
LLVMValueRef frameSpSlotAddr = LLVMBuildSub(builder_, frameAddr, LLVMConstInt(slotType_,
callSiteSpOffset, false), "");
LLVMValueRef addr = LLVMBuildIntToPtr(builder_, frameSpSlotAddr,
LLVMPointerType(slotType_, 0), "frameCallSiteSP.Addr");
LLVMMetadataRef meta;
if (compCfg_->IsAmd64()) {
meta = LLVMMDStringInContext2(context_, "rsp", 4); // 4 : 4 means len of "rsp"
} else {
meta = LLVMMDStringInContext2(context_, "sp", 3); // 3 : 3 means len of "sp"
}
LLVMMetadataRef metadataNode = LLVMMDNodeInContext2(context_, &meta, 1);
LLVMValueRef spValue = ReadRegister(module_, builder_, metadataNode);
LLVMBuildStore(builder_, spValue, addr);
}
}
LLVMValueRef LLVMIRBuilder::GetCurrentSPFrameAddr()
{
LLVMValueRef glue = LLVMGetParam(function_, 0);
LLVMTypeRef glueType = LLVMTypeOf(glue);
LLVMValueRef rtoffset = LLVMConstInt(glueType,
JSThread::GlueData::GetCurrentFrameOffset(compCfg_->Is32Bit()),
0);
LLVMValueRef rtbaseoffset = LLVMBuildAdd(builder_, glue, rtoffset, "");
return rtbaseoffset;
}
LLVMValueRef LLVMIRBuilder::GetCurrentSPFrame()
{
LLVMValueRef addr = GetCurrentSPFrameAddr();
LLVMValueRef rtbaseAddr = LLVMBuildIntToPtr(builder_, addr, LLVMPointerType(slotType_, 0), "");
LLVMValueRef currentSpFrame = LLVMBuildLoad(builder_, rtbaseAddr, "");
return currentSpFrame;
}
void LLVMIRBuilder::SetCurrentSPFrame(LLVMValueRef sp)
{
LLVMValueRef addr = GetCurrentSPFrameAddr();
LLVMValueRef rtbaseAddr = LLVMBuildIntToPtr(builder_, addr, LLVMPointerType(slotType_, 0), "");
LLVMBuildStore(builder_, sp, rtbaseAddr);
}
LLVMValueRef LLVMIRBuilder::GetCurrentFrameType(LLVMValueRef currentSpFrameAddr)
{
LLVMValueRef tmp = LLVMBuildSub(builder_, currentSpFrameAddr, LLVMConstInt(slotType_, slotSize_, 1), "");
LLVMValueRef frameTypeAddr = LLVMBuildIntToPtr(builder_, tmp, LLVMPointerType(LLVMInt64Type(), 0), "");
LLVMValueRef frameType = LLVMBuildLoad(builder_, frameTypeAddr, "");
return frameType;
}
void LLVMIRBuilder::SetTailCallAttr(LLVMValueRef call)
{
LLVMSetTailCall(call, true);
const char *attrName = "gc-leaf-function";
const char *attrValue = "true";
LLVMAttributeRef llvmAttr = LLVMCreateStringAttribute(context_, attrName, strlen(attrName), attrValue,
strlen(attrValue));
LLVMAddCallSiteAttribute(call, LLVMAttributeFunctionIndex, llvmAttr);
}
void LLVMIRBuilder::SetCallConvAttr(const CallSignature *calleeDescriptor, LLVMValueRef call)
{
assert(calleeDescriptor != nullptr);
if (calleeDescriptor->GetCallConv() == CallSignature::CallConv::GHCCallConv) {
SetTailCallAttr(call);
LLVMSetInstructionCallConv(call, LLVMGHCCallConv);
} else if (calleeDescriptor->GetCallConv() == CallSignature::CallConv::WebKitJSCallConv) {
LLVMSetInstructionCallConv(call, LLVMWebKitJSCallConv);
}
if (calleeDescriptor->GetTailCall()) {
SetTailCallAttr(call);
}
}
void LLVMIRBuilder::VisitCall(GateRef gate, const std::vector<GateRef> &inList, OpCode op)
{
static_assert(static_cast<size_t>(CallInputs::FIRST_PARAMETER) == 3);
const size_t index = circuit_->GetBitField(inList[static_cast<size_t>(CallInputs::TARGET)]);
const CallSignature *calleeDescriptor = (op == OpCode::CALL)
? CommonStubCSigns::Get(index)
: RuntimeStubCSigns::Get(index);
StubIdType stubId = static_cast<RuntimeStubCSigns::ID>(index);
if (op == OpCode::CALL) {
stubId = static_cast<CommonStubCSigns::ID>(index);
}
LLVMValueRef glue = gate2LValue_[inList[static_cast<size_t>(CallInputs::GLUE)]];
LLVMValueRef callee = GetFunction(glue, stubId);
std::vector<LLVMValueRef> params;
const size_t firstArg = static_cast<size_t>(CallInputs::FIRST_PARAMETER);
GateRef glueGate = inList[firstArg];
params.push_back(gate2LValue_[glueGate]);
int extraParameterCnt = 0;
// for arm32, r0-r3 must be occupied by fake parameters, then the actual paramters will be in stack.
if (compCfg_->Is32Bit() && calleeDescriptor->GetTargetKind() != CallSignature::TargetKind::RUNTIME_STUB) {
if (calleeDescriptor->GetCallConv() == CallSignature::CallConv::WebKitJSCallConv) {
for (int i = 0; i < CompilationConfig::FAKE_REGISTER_PARAMTERS_ARM32; i++) {
params.push_back(gate2LValue_[glueGate]);
}
extraParameterCnt += CompilationConfig::FAKE_REGISTER_PARAMTERS_ARM32;
}
}
// then push the actual parameter for js function call
for (size_t paraIdx = firstArg + 1; paraIdx < inList.size(); ++paraIdx) {
GateRef gateTmp = inList[paraIdx];
params.push_back(gate2LValue_[gateTmp]);
}
if (op == OpCode::CALL) {
SaveCurrentSP();
}
LLVMValueRef call = LLVMBuildCall(builder_, callee, params.data(),
inList.size() - firstArg + extraParameterCnt, "");
SetCallConvAttr(calleeDescriptor, call);
gate2LValue_[gate] = call;
return;
}
void LLVMIRBuilder::VisitBytecodeCall(GateRef gate, const std::vector<GateRef> &inList)
{
size_t paraStartIndex = static_cast<size_t>(CallInputs::FIRST_PARAMETER);
size_t targetIndex = static_cast<size_t>(CallInputs::TARGET);
size_t glueIndex = static_cast<size_t>(CallInputs::GLUE);
LLVMValueRef opcodeOffset = gate2LValue_[inList[targetIndex]];
ASSERT(llvmModule_ != nullptr);
// start index of bytecode handler csign in llvmModule
LLVMValueRef glue = gate2LValue_[inList[glueIndex]];
StubIdType stubId = opcodeOffset;
LLVMValueRef callee = GetFunction(glue, stubId);
std::vector<LLVMValueRef> params;
for (size_t paraIdx = paraStartIndex; paraIdx < inList.size(); ++paraIdx) {
GateRef gateTmp = inList[paraIdx];
params.push_back(gate2LValue_[gateTmp]);
}
LLVMValueRef call = LLVMBuildCall(builder_, callee, params.data(), inList.size() - paraStartIndex, "");
SetTailCallAttr(call);
LLVMSetInstructionCallConv(call, LLVMGHCCallConv);
gate2LValue_[gate] = call;
}
void LLVMIRBuilder::VisitDebuggerBytecodeCall(GateRef gate, const std::vector<GateRef> &inList)
{
size_t paraStartIndex = static_cast<size_t>(CallInputs::FIRST_PARAMETER);
size_t targetIndex = static_cast<size_t>(CallInputs::TARGET);
size_t glueIndex = static_cast<size_t>(CallInputs::GLUE);
LLVMValueRef opcodeOffset = gate2LValue_[inList[targetIndex]];
ASSERT(llvmModule_ != nullptr);
// start index of bytecode handler csign in llvmModule
LLVMValueRef glue = gate2LValue_[inList[glueIndex]];
StubIdType stubId = opcodeOffset;
LLVMValueRef callee = GetFunction(glue, stubId, true);
std::vector<LLVMValueRef> params;
for (size_t paraIdx = paraStartIndex; paraIdx < inList.size(); ++paraIdx) {
GateRef gateTmp = inList[paraIdx];
params.push_back(gate2LValue_[gateTmp]);
}
LLVMValueRef call = LLVMBuildCall(builder_, callee, params.data(), inList.size() - paraStartIndex, "");
SetTailCallAttr(call);
LLVMSetInstructionCallConv(call, LLVMGHCCallConv);
gate2LValue_[gate] = call;
}
void LLVMIRBuilder::HandleAlloca(GateRef gate)
{
return VisitAlloca(gate);
}
void LLVMIRBuilder::VisitAlloca(GateRef gate)
{
uint64_t machineRep = circuit_->GetBitField(gate);
LLVMTypeRef dataType = GetMachineRepType(static_cast<MachineRep>(machineRep));
gate2LValue_[gate] = LLVMBuildPtrToInt(builder_, LLVMBuildAlloca(builder_, dataType, ""),
ConvertLLVMTypeFromGate(gate), "");
}
void LLVMIRBuilder::HandlePhi(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitPhi(gate, ins);
}
void LLVMIRBuilder::VisitPhi(GateRef gate, const std::vector<GateRef> &srcGates)
{
LLVMTypeRef type = ConvertLLVMTypeFromGate(gate);
LLVMValueRef phi = LLVMBuildPhi(builder_, type, "");
std::vector<GateRef> relMergeIns = circuit_->GetInVector(srcGates[0]);
bool addToPhiRebuildList = false;
for (int i = 1; i < static_cast<int>(srcGates.size()); i++) {
GateId gateId = circuit_->GetId(relMergeIns[i - 1]);
int bbIdx = instID2bbID_[gateId];
int cnt = static_cast<int>(bbID2BB_.count(bbIdx));
// if cnt = 0 means bb with current bbIdx hasn't been created
if (cnt > 0) {
BasicBlock *bb = bbID2BB_[bbIdx].get();
if (bb == nullptr) {
COMPILER_OPTIONAL_LOG(ERROR) << "VisitPhi failed BasicBlock nullptr";
return;
}
BasicBlockImpl *impl = bb->GetImpl<BasicBlockImpl>();
if (impl == nullptr) {
COMPILER_OPTIONAL_LOG(ERROR) << "VisitPhi failed impl nullptr";
return;
}
LLVMBasicBlockRef llvmBB = EnsureLBB(bb); // The llvm bb
LLVMValueRef value = gate2LValue_[srcGates[i]];
if (impl->started) {
LLVMAddIncoming(phi, &value, &llvmBB, 1);
} else {
addToPhiRebuildList = true;
impl = currentBb_->GetImpl<BasicBlockImpl>();
impl->unmergedPhis_.emplace_back();
auto &not_merged_phi = impl->unmergedPhis_.back();
not_merged_phi.phi = phi;
not_merged_phi.pred = bb;
not_merged_phi.operand = srcGates[i];
}
} else {
addToPhiRebuildList = true;
}
if (addToPhiRebuildList == true) {
phiRebuildWorklist_.push_back(currentBb_);
}
gate2LValue_[gate] = phi;
}
}
void LLVMIRBuilder::VisitReturn([[maybe_unused]] GateRef gate, [[maybe_unused]] GateRef popCount,
const std::vector<GateRef> &operands)
{
// [STATE] [DEPEND] [VALUE] [RETURN_LIST]
GateRef operand = operands[2]; // 2: skip 2 in gate that are not data gate
LLVMValueRef returnValue = gate2LValue_[operand];
LLVMBuildRet(builder_, returnValue);
}
void LLVMIRBuilder::HandleReturn(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitReturn(gate, 1, ins);
}
void LLVMIRBuilder::VisitReturnVoid([[maybe_unused]] GateRef gate)
{
// [STATE] [DEPEND] [VALUE] [RETURN_LIST]
LLVMBuildRetVoid(builder_);
}
void LLVMIRBuilder::HandleReturnVoid(GateRef gate)
{
VisitReturnVoid(gate);
}
void LLVMIRBuilder::LinkToLLVMCfg(int bbId, const OperandsVector &predecessors)
{
BasicBlock *bb = EnsureBB(bbId);
if (bb == nullptr) {
COMPILER_OPTIONAL_LOG(ERROR) << " block create failed ";
return;
}
currentBb_ = bb;
LLVMBasicBlockRef lBB = EnsureLBB(bb);
SetToCfg(bb);
for (int predecessor : predecessors) {
BasicBlock *pre = EnsureBB(predecessor);
if (pre == nullptr) {
COMPILER_OPTIONAL_LOG(ERROR) << " block setup failed, predecessor:%d nullptr" << predecessor;
return;
}
LLVMBasicBlockRef preLBB = EnsureLBB(pre);
LLVMMoveBasicBlockBefore(preLBB, lBB);
}
if (isPrologue(bbId)) {
GenPrologue(module_, builder_);
}
}
void LLVMIRBuilder::HandleGoto(GateRef gate)
{
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
int block = instID2bbID_[circuit_->GetId(gate)];
int bbOut = instID2bbID_[circuit_->GetId(outs[0])];
switch (circuit_->GetOpCode(gate)) {
case OpCode::MERGE:
case OpCode::LOOP_BEGIN: {
for (size_t i = 0; i < outs.size(); i++) {
bbOut = instID2bbID_[circuit_->GetId(outs[i])];
VisitGoto(block, bbOut);
}
break;
}
default: {
VisitGoto(block, bbOut);
break;
}
}
}
void LLVMIRBuilder::VisitGoto(int block, int bbOut)
{
if (block == bbOut) {
return;
}
BasicBlock *bb = EnsureBB(bbOut);
if (bb == nullptr) {
COMPILER_OPTIONAL_LOG(ERROR) << " block is nullptr ";
return;
}
llvm::BasicBlock *self = llvm::unwrap(EnsureLBB(bbID2BB_[block].get()));
llvm::BasicBlock *out = llvm::unwrap(EnsureLBB(bbID2BB_[bbOut].get()));
llvm::BranchInst::Create(out, self);
EndCurrentBlock();
}
void LLVMIRBuilder::HandleConstant(GateRef gate)
{
std::bitset<64> value = circuit_->GetBitField(gate); // 64: bit width
VisitConstant(gate, value);
}
void LLVMIRBuilder::VisitConstant(GateRef gate, std::bitset<64> value) // 64: bit width
{
LLVMValueRef llvmValue = nullptr;
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
if (machineType == MachineType::ARCH) {
if (compCfg_->Is32Bit()) {
machineType = MachineType::I32;
} else {
machineType = MachineType::I64;
}
}
if (machineType == MachineType::I32) {
llvmValue = LLVMConstInt(LLVMInt32Type(), value.to_ulong(), 0);
} else if (machineType == MachineType::I64) {
llvmValue = LLVMConstInt(LLVMInt64Type(), value.to_ullong(), 0);
LLVMTypeRef type = ConvertLLVMTypeFromGate(gate);
if (LLVMGetTypeKind(type) == LLVMPointerTypeKind) {
llvmValue = LLVMBuildIntToPtr(builder_, llvmValue, type, "");
} else if (LLVMGetTypeKind(type) == LLVMVectorTypeKind) {
LLVMValueRef tmp1Value =
LLVMBuildLShr(builder_, llvmValue, LLVMConstInt(LLVMInt64Type(), 32, 0), ""); // 32: offset
LLVMValueRef tmp2Value = LLVMBuildIntCast(builder_, llvmValue, LLVMInt32Type(), ""); // low
LLVMValueRef emptyValue = LLVMGetUndef(type);
tmp1Value = LLVMBuildIntToPtr(builder_, tmp1Value, LLVMPointerType(LLVMInt8Type(), 1), "");
tmp2Value = LLVMBuildIntToPtr(builder_, tmp2Value, LLVMPointerType(LLVMInt8Type(), 1), "");
llvmValue = LLVMBuildInsertElement(
builder_, emptyValue, tmp2Value, LLVMConstInt(LLVMInt32Type(), 0, 0), "");
llvmValue = LLVMBuildInsertElement(builder_, llvmValue, tmp1Value, LLVMConstInt(LLVMInt32Type(), 1, 0), "");
} else if (LLVMGetTypeKind(type) == LLVMIntegerTypeKind) {
// do nothing
} else {
abort();
}
} else if (machineType == MachineType::F64) {
auto doubleValue = bit_cast<double>(value.to_ullong()); // actual double value
llvmValue = LLVMConstReal(LLVMDoubleType(), doubleValue);
} else if (machineType == MachineType::I8) {
llvmValue = LLVMConstInt(LLVMInt8Type(), value.to_ulong(), 0);
} else if (machineType == MachineType::I16) {
llvmValue = LLVMConstInt(LLVMInt16Type(), value.to_ulong(), 0);
} else if (machineType == MachineType::I1) {
llvmValue = LLVMConstInt(LLVMInt1Type(), value.to_ulong(), 0);
} else {
abort();
}
gate2LValue_[gate] = llvmValue;
}
void LLVMIRBuilder::HandleRelocatableData(GateRef gate)
{
uint64_t value = circuit_->GetBitField(gate);
VisitRelocatableData(gate, value);
}
void LLVMIRBuilder::VisitRelocatableData(GateRef gate, uint64_t value)
{
LLVMValueRef globalValue = LLVMAddGlobal(module_, LLVMInt64Type(), "G");
LLVMSetInitializer(globalValue, LLVMConstInt(LLVMInt64Type(), value, 0));
gate2LValue_[gate] = globalValue;
}
void LLVMIRBuilder::HandleZExtInt(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitZExtInt(gate, ins[0]);
}
void LLVMIRBuilder::HandleSExtInt(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitSExtInt(gate, ins[0]);
}
void LLVMIRBuilder::HandleParameter(GateRef gate)
{
return VisitParameter(gate);
}
void LLVMIRBuilder::VisitParameter(GateRef gate)
{
int argth = static_cast<int>(circuit_->LoadGatePtrConst(gate)->GetBitField());
if (callConv_ == CallSignature::CallConv::WebKitJSCallConv) {
if (compCfg_->Is32Bit() && argth > 0) {
argth += CompilationConfig::FAKE_REGISTER_PARAMTERS_ARM32;
}
}
LLVMValueRef value = LLVMGetParam(function_, argth);
ASSERT(LLVMTypeOf(value) == ConvertLLVMTypeFromGate(gate));
gate2LValue_[gate] = value;
// NOTE: caller put args, otherwise crash
if (value == nullptr) {
COMPILER_OPTIONAL_LOG(FATAL) << "generate LLVM IR for para: " << argth << "fail";
return;
}
}
void LLVMIRBuilder::HandleBranch(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
GateRef bTrue = (circuit_->GetOpCode(outs[0]) == OpCode::IF_TRUE) ? outs[0] : outs[1];
GateRef bFalse = (circuit_->GetOpCode(outs[0]) == OpCode::IF_FALSE) ? outs[0] : outs[1];
int bbTrue = instID2bbID_[circuit_->GetId(bTrue)];
int bbFalse = instID2bbID_[circuit_->GetId(bFalse)];
VisitBranch(gate, ins[1], bbTrue, bbFalse);
}
void LLVMIRBuilder::HandleMod(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitMod(gate, g0, g1);
}
void LLVMIRBuilder::VisitMod(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = nullptr;
ASSERT(ConvertLLVMTypeFromGate(gate) == ConvertLLVMTypeFromGate(e1));
ASSERT(ConvertLLVMTypeFromGate(gate) == ConvertLLVMTypeFromGate(e2));
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
if (machineType == MachineType::I32) {
result = LLVMBuildSRem(builder_, e1Value, e2Value, "");
} else if (machineType == MachineType::F64) {
result = LLVMBuildFRem(builder_, e1Value, e2Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitBranch(GateRef gate, GateRef cmp, int btrue, int bfalse)
{
if (gate2LValue_.count(cmp) == 0) {
COMPILER_OPTIONAL_LOG(ERROR) << "Branch condition gate is nullptr!";
return;
}
LLVMValueRef cond = gate2LValue_[cmp];
BasicBlock *trueBB = EnsureBB(btrue);
BasicBlock *falseBB = EnsureBB(bfalse);
EnsureLBB(trueBB);
EnsureLBB(falseBB);
LLVMBasicBlockRef llvmTrueBB = trueBB->GetImpl<BasicBlockImpl>()->lBB_;
LLVMBasicBlockRef llvmFalseBB = falseBB->GetImpl<BasicBlockImpl>()->lBB_;
LLVMValueRef result = LLVMBuildCondBr(builder_, cond, llvmTrueBB, llvmFalseBB);
EndCurrentBlock();
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleSwitch(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
VisitSwitch(gate, ins[1], outs);
}
void LLVMIRBuilder::VisitSwitch(GateRef gate, GateRef input, const std::vector<GateRef> &outList)
{
LLVMValueRef cond = gate2LValue_[input];
int caseNum = static_cast<int>(outList.size());
BasicBlock *curOutBB = nullptr;
LLVMBasicBlockRef llvmDefaultOutBB = nullptr;
for (int i = 0; i < caseNum; i++) {
curOutBB = EnsureBB(instID2bbID_[circuit_->GetId(outList[i])]);
EnsureLBB(curOutBB);
if (circuit_->GetOpCode(outList[i]) == OpCode::DEFAULT_CASE) {
llvmDefaultOutBB = curOutBB->GetImpl<BasicBlockImpl>()->lBB_;
}
}
LLVMValueRef result = LLVMBuildSwitch(builder_, cond, llvmDefaultOutBB, static_cast<uint32_t>(caseNum - 1));
LLVMBasicBlockRef llvmCurOutBB = nullptr;
for (int i = 0; i < caseNum; i++) {
if (circuit_->GetOpCode(outList[i]) == OpCode::DEFAULT_CASE) {
continue;
}
curOutBB = EnsureBB(instID2bbID_[circuit_->GetId(outList[i])]);
llvmCurOutBB = curOutBB->GetImpl<BasicBlockImpl>()->lBB_;
LLVMAddCase(result, LLVMConstInt(ConvertLLVMTypeFromGate(input), circuit_->GetBitField(outList[i]), 0),
llvmCurOutBB);
}
EndCurrentBlock();
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitLoad(GateRef gate, GateRef base)
{
LLVMValueRef baseAddr = gate2LValue_[base];
LLVMTypeRef returnType;
baseAddr = CanonicalizeToPtr(baseAddr);
returnType = ConvertLLVMTypeFromGate(gate);
baseAddr = LLVMBuildPointerCast(builder_, baseAddr,
LLVMPointerType(returnType, LLVMGetPointerAddressSpace(LLVMTypeOf(baseAddr))), "");
LLVMValueRef result = LLVMBuildLoad(builder_, baseAddr, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitStore(GateRef gate, GateRef base, GateRef dataToStore)
{
LLVMValueRef baseAddr = gate2LValue_[base];
baseAddr = CanonicalizeToPtr(baseAddr);
LLVMValueRef data = gate2LValue_[dataToStore];
baseAddr = LLVMBuildPointerCast(builder_, baseAddr,
LLVMPointerType(ConvertLLVMTypeFromGate(dataToStore), LLVMGetPointerAddressSpace(LLVMTypeOf(baseAddr))), "");
LLVMValueRef value = LLVMBuildStore(builder_, data, baseAddr);
gate2LValue_[gate] = value;
}
LLVMValueRef LLVMIRBuilder::CanonicalizeToInt(LLVMValueRef value)
{
if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMVectorTypeKind) {
LLVMValueRef e1Value0 = LLVMBuildExtractElement(builder_, value, LLVMConstInt(LLVMInt32Type(), 0, 1), "");
LLVMValueRef e1Value1 = LLVMBuildExtractElement(builder_, value, LLVMConstInt(LLVMInt32Type(), 1, 1), "");
LLVMValueRef tmp1 = LLVMBuildPtrToInt(builder_, e1Value1, LLVMInt64Type(), "");
LLVMValueRef constValue = LLVMConstInt(LLVMInt64Type(), 32, 0); // 32: offset
LLVMValueRef tmp1Value = LLVMBuildShl(builder_, tmp1, constValue, "");
LLVMValueRef tmp2Value = LLVMBuildPtrToInt(builder_, e1Value0, LLVMInt64Type(), "");
LLVMValueRef resultValue = LLVMBuildAdd(builder_, tmp1Value, tmp2Value, "");
return resultValue;
} else if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMPointerTypeKind) {
return LLVMBuildPtrToInt(builder_, value, LLVMInt64Type(), "");
} else if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMIntegerTypeKind) {
return value;
} else {
COMPILER_OPTIONAL_LOG(ERROR) << "can't Canonicalize to Int64: ";
abort();
}
}
LLVMValueRef LLVMIRBuilder::CanonicalizeToPtr(LLVMValueRef value)
{
if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMVectorTypeKind) {
LLVMValueRef tmp = LLVMBuildExtractElement(builder_, value, LLVMConstInt(LLVMInt32Type(), 0, 1), "");
return LLVMBuildPointerCast(builder_, tmp, LLVMPointerType(LLVMInt8Type(), 1), "");
} else if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMPointerTypeKind) {
return LLVMBuildPointerCast(builder_, value,
LLVMPointerType(LLVMInt8Type(), LLVMGetPointerAddressSpace(LLVMTypeOf(value))), "");
} else if (LLVMGetTypeKind(LLVMTypeOf(value)) == LLVMIntegerTypeKind) {
LLVMValueRef tmp = LLVMBuildIntToPtr(builder_, value, LLVMPointerType(LLVMInt64Type(), 0), "");
return LLVMBuildPointerCast(builder_, tmp, LLVMPointerType(LLVMInt8Type(), 0), "");
} else {
COMPILER_OPTIONAL_LOG(ERROR) << "can't Canonicalize to Ptr: ";
abort();
}
}
void LLVMIRBuilder::HandleIntRev(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitIntRev(gate, ins[0]);
}
void LLVMIRBuilder::VisitIntRev(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
ASSERT(ConvertLLVMTypeFromGate(gate) == ConvertLLVMTypeFromGate(e1));
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
LLVMValueRef result = nullptr;
if (machineType <= MachineType::I64 && machineType >= MachineType::I1) {
result = LLVMBuildNot(builder_, e1Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
LLVMValueRef LLVMIRBuilder::PointerAdd(LLVMValueRef baseAddr, LLVMValueRef offset, LLVMTypeRef rep)
{
LLVMValueRef ptr = CanonicalizeToPtr(baseAddr);
LLVMValueRef dstRef8 = LLVMBuildGEP(builder_, ptr, &offset, 1, "");
LLVMValueRef result = LLVMBuildPointerCast(builder_, dstRef8, rep, "");
return result;
}
LLVMValueRef LLVMIRBuilder::VectorAdd(LLVMValueRef baseAddr, LLVMValueRef offset, [[maybe_unused]] LLVMTypeRef rep)
{
LLVMValueRef ptr = CanonicalizeToPtr(baseAddr);
LLVMValueRef dstRef8 = LLVMBuildGEP(builder_, ptr, &offset, 1, "");
LLVMValueRef result = LLVMBuildInsertElement(builder_, baseAddr, dstRef8, LLVMConstInt(LLVMInt32Type(), 0, 0), "");
return result;
}
bool LLVMIRBuilder::IsGCRelated(GateType typeCode) const
{
if ((typeCode & (~GC_MASK)) == 0) {
return true;
}
return false;
}
LLVMTypeRef LLVMIRBuilder::ConvertLLVMTypeFromGate(GateRef gate) const
{
if (IsGCRelated(circuit_->GetGateType(gate))) {
if (compCfg_->Is32Bit()) {
return LLVMVectorType(LLVMPointerType(LLVMInt8Type(), 1), 2);
} else {
return LLVMPointerType(LLVMInt64Type(), 1);
}
}
switch (circuit_->LoadGatePtrConst(gate)->GetMachineType()) {
case MachineType::NOVALUE:
return LLVMVoidType();
case MachineType::I1:
return LLVMInt1Type();
case MachineType::I8:
return LLVMInt8Type();
case MachineType::I16:
return LLVMInt16Type();
case MachineType::I32:
return LLVMInt32Type();
case MachineType::I64:
return LLVMInt64Type();
case MachineType::F32:
return LLVMFloatType();
case MachineType::F64:
return LLVMDoubleType();
case MachineType::ARCH: {
if (compCfg_->Is32Bit()) {
return LLVMInt32Type();
} else {
return LLVMInt64Type();
}
}
default:
abort();
}
}
int64_t LLVMIRBuilder::GetBitWidthFromMachineType(MachineType machineType) const
{
switch (machineType) {
case NOVALUE:
return 0;
case ARCH:
return 48; // 48: Pointer representation in different architectures
case I1:
return 1;
case I8:
return 8; // 8: bit width
case I16:
return 16; // 16: bit width
case I32:
return 32; // 32: bit width
case I64:
return 64; // 64: bit width
case F32:
return 32; // 32: bit width
case F64:
return 64; // 64: bit width
case FLEX:
case ANYVALUE:
abort();
default:
abort();
}
}
void LLVMIRBuilder::HandleAdd(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitAdd(gate, g0, g1);
}
bool IsAddIntergerType(MachineType machineType)
{
switch (machineType) {
case MachineType::I8:
case MachineType::I16:
case MachineType::I32:
case MachineType::I64:
case MachineType::ARCH:
return true;
default:
return false;
}
}
void LLVMIRBuilder::VisitAdd(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = nullptr;
/* pointer int
vector{i8 * x 2} int
*/
LLVMTypeRef returnType = ConvertLLVMTypeFromGate(gate);
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
if (IsAddIntergerType(machineType)) {
auto e1Type = LLVMGetTypeKind(ConvertLLVMTypeFromGate(e1));
if (e1Type == LLVMVectorTypeKind) {
result = VectorAdd(e1Value, e2Value, returnType);
} else if (e1Type == LLVMPointerTypeKind) {
result = PointerAdd(e1Value, e2Value, returnType);
} else {
LLVMValueRef tmp1Value = LLVMBuildIntCast2(builder_, e1Value, returnType, 0, "");
LLVMValueRef tmp2Value = LLVMBuildIntCast2(builder_, e2Value, returnType, 0, "");
result = LLVMBuildAdd(builder_, tmp1Value, tmp2Value, "");
if (LLVMTypeOf(tmp1Value) != LLVMTypeOf(tmp2Value)) {
ASSERT(LLVMTypeOf(tmp1Value) == LLVMTypeOf(tmp2Value));
}
}
} else if (machineType == MachineType::F64) {
result = LLVMBuildFAdd(builder_, e1Value, e2Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleSub(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitSub(gate, g0, g1);
}
void LLVMIRBuilder::VisitSub(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = nullptr;
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
if (machineType == MachineType::I16 || machineType == MachineType::I32 ||
machineType == MachineType::I64 || machineType == MachineType::ARCH) {
result = LLVMBuildSub(builder_, e1Value, e2Value, "");
} else if (machineType == MachineType::F64) {
result = LLVMBuildFSub(builder_, e1Value, e2Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleMul(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitMul(gate, g0, g1);
}
bool IsMulIntergerType(MachineType machineType)
{
switch (machineType) {
case MachineType::I32:
case MachineType::I64:
case MachineType::ARCH:
return true;
default:
return false;
}
}
void LLVMIRBuilder::VisitMul(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = nullptr;
auto machineType = circuit_->LoadGatePtrConst(gate)->GetMachineType();
if (IsMulIntergerType(machineType)) {
result = LLVMBuildMul(builder_, e1Value, e2Value, "");
} else if (machineType == MachineType::F64) {
result = LLVMBuildFMul(builder_, e1Value, e2Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleFloatDiv(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitFloatDiv(gate, g0, g1);
}
void LLVMIRBuilder::HandleIntDiv(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntDiv(gate, g0, g1);
}
void LLVMIRBuilder::HandleUDiv(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitUDiv(gate, g0, g1);
}
void LLVMIRBuilder::HandleIntOr(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntOr(gate, g0, g1);
}
void LLVMIRBuilder::HandleIntXor(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntXor(gate, g0, g1);
}
void LLVMIRBuilder::HandleIntLsr(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntLsr(gate, g0, g1);
}
void LLVMIRBuilder::HandleIntAsr(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntAsr(gate, g0, g1);
}
void LLVMIRBuilder::HandleCmp(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
VisitCmp(gate, ins[0], ins[1]);
}
void LLVMIRBuilder::VisitCmp(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = nullptr;
auto e1ValCode = circuit_->LoadGatePtrConst(e1)->GetMachineType();
[[maybe_unused]]auto e2ValCode = circuit_->LoadGatePtrConst(e2)->GetMachineType();
ASSERT((e1ValCode == e2ValCode) ||
(compCfg_->Is32Bit() && (e1ValCode == MachineType::ARCH) && (e2ValCode == MachineType::I32)) ||
(compCfg_->Is64Bit() && (e1ValCode == MachineType::ARCH) && (e2ValCode == MachineType::I64)) ||
(compCfg_->Is32Bit() && (e2ValCode == MachineType::ARCH) && (e1ValCode == MachineType::I32)) ||
(compCfg_->Is64Bit() && (e2ValCode == MachineType::ARCH) && (e1ValCode == MachineType::I64)));
LLVMIntPredicate intOpcode = LLVMIntEQ;
LLVMRealPredicate realOpcode = LLVMRealPredicateFalse;
switch (circuit_->GetOpCode(gate)) {
case OpCode::SLT: {
intOpcode = LLVMIntSLT;
realOpcode = LLVMRealOLT;
break;
}
case OpCode::ULT: {
intOpcode = LLVMIntULT;
realOpcode = LLVMRealOLT;
break;
}
case OpCode::SLE: {
intOpcode = LLVMIntSLE;
realOpcode = LLVMRealOLE;
break;
}
case OpCode::ULE: {
intOpcode = LLVMIntULE;
realOpcode = LLVMRealOLE;
break;
}
case OpCode::SGT: {
intOpcode = LLVMIntSGT;
realOpcode = LLVMRealOGT;
break;
}
case OpCode::UGT: {
intOpcode = LLVMIntUGT;
realOpcode = LLVMRealOGT;
break;
}
case OpCode::SGE: {
intOpcode = LLVMIntSGE;
realOpcode = LLVMRealOGE;
break;
}
case OpCode::UGE: {
intOpcode = LLVMIntUGE;
realOpcode = LLVMRealOGE;
break;
}
case OpCode::NE: {
intOpcode = LLVMIntNE;
realOpcode = LLVMRealONE;
break;
}
case OpCode::EQ: {
intOpcode = LLVMIntEQ;
realOpcode = LLVMRealOEQ;
break;
}
default: {
abort();
break;
}
}
if (e1ValCode == MachineType::I32 || e1ValCode == MachineType::I64 || e1ValCode == MachineType::ARCH) {
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
result = LLVMBuildICmp(builder_, intOpcode, e1Value, e2Value, "");
} else if (e1ValCode == MachineType::F64) {
result = LLVMBuildFCmp(builder_, realOpcode, e1Value, e2Value, "");
} else {
abort();
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleLoad(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
GateRef base = ins[1];
VisitLoad(gate, base);
}
void LLVMIRBuilder::HandleStore(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
std::vector<GateRef> outs = circuit_->GetOutVector(gate);
VisitStore(gate, ins[2], ins[1]); // 2:baseAddr gate, 1:data gate
}
void LLVMIRBuilder::HandleChangeInt32ToDouble(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitChangeInt32ToDouble(gate, ins[0]);
}
void LLVMIRBuilder::HandleChangeUInt32ToDouble(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitChangeUInt32ToDouble(gate, ins[0]);
}
void LLVMIRBuilder::HandleChangeDoubleToInt32(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitChangeDoubleToInt32(gate, ins[0]);
}
void LLVMIRBuilder::HandleChangeTaggedPointerToInt64(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitChangeTaggedPointerToInt64(gate, ins[0]);
}
void LLVMIRBuilder::HandleChangeInt64ToTagged(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitChangeInt64ToTagged(gate, ins[0]);
}
void LLVMIRBuilder::VisitIntDiv(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = LLVMBuildSDiv(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitUDiv(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = LLVMBuildUDiv(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitFloatDiv(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
LLVMValueRef result = LLVMBuildFDiv(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitIntOr(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildOr(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleIntAnd(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntAnd(gate, g0, g1);
}
void LLVMIRBuilder::VisitIntAnd(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildAnd(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitIntXor(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildXor(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitIntLsr(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildLShr(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitIntAsr(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildAShr(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleIntLsl(GateRef gate)
{
auto g0 = circuit_->GetIn(gate, 0);
auto g1 = circuit_->GetIn(gate, 1);
VisitIntLsl(gate, g0, g1);
}
void LLVMIRBuilder::VisitIntLsl(GateRef gate, GateRef e1, GateRef e2)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef e2Value = gate2LValue_[e2];
e1Value = CanonicalizeToInt(e1Value);
e2Value = CanonicalizeToInt(e2Value);
LLVMValueRef result = LLVMBuildShl(builder_, e1Value, e2Value, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitZExtInt(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
ASSERT(GetBitWidthFromMachineType(circuit_->LoadGatePtrConst(e1)->GetMachineType()) <=
GetBitWidthFromMachineType(circuit_->LoadGatePtrConst(gate)->GetMachineType()));
LLVMValueRef result = LLVMBuildZExt(builder_, e1Value, ConvertLLVMTypeFromGate(gate), "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitSExtInt(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef result = LLVMBuildSExt(builder_, e1Value, ConvertLLVMTypeFromGate(gate), "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleCastIntXToIntY(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitCastIntXToIntY(gate, ins[0]);
}
void LLVMIRBuilder::VisitCastIntXToIntY(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
ASSERT(GetBitWidthFromMachineType(circuit_->LoadGatePtrConst(e1)->GetMachineType()) >=
GetBitWidthFromMachineType(circuit_->LoadGatePtrConst(gate)->GetMachineType()));
LLVMValueRef result = LLVMBuildIntCast2(builder_, e1Value, ConvertLLVMTypeFromGate(gate), 1, "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitChangeInt32ToDouble(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef result = LLVMBuildSIToFP(builder_, e1Value, LLVMDoubleType(), "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitChangeUInt32ToDouble(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef result = LLVMBuildUIToFP(builder_, e1Value, LLVMDoubleType(), "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitChangeDoubleToInt32(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef result = LLVMBuildFPToSI(builder_, e1Value, LLVMInt32Type(), "");
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitChangeTaggedPointerToInt64(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
LLVMValueRef result = CanonicalizeToInt(e1Value);
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::VisitChangeInt64ToTagged(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
ASSERT(LLVMGetTypeKind(LLVMTypeOf(e1Value)) == LLVMIntegerTypeKind);
LLVMValueRef result;
if (compCfg_->Is32Bit()) {
LLVMValueRef tmp1Value =
LLVMBuildLShr(builder_, e1Value, LLVMConstInt(LLVMInt64Type(), 32, 0), ""); // 32: offset
LLVMValueRef tmp2Value = LLVMBuildIntCast(builder_, e1Value, LLVMInt32Type(), ""); // low
LLVMTypeRef vectorType = LLVMVectorType(LLVMPointerType(LLVMInt8Type(), 1), 2); // 2: packed vector type
LLVMValueRef emptyValue = LLVMGetUndef(vectorType);
tmp1Value = LLVMBuildIntToPtr(builder_, tmp1Value, LLVMPointerType(LLVMInt8Type(), 1), "");
tmp2Value = LLVMBuildIntToPtr(builder_, tmp2Value, LLVMPointerType(LLVMInt8Type(), 1), "");
result = LLVMBuildInsertElement(builder_, emptyValue, tmp2Value, LLVMConstInt(LLVMInt32Type(), 0, 0), "");
result = LLVMBuildInsertElement(builder_, result, tmp1Value, LLVMConstInt(LLVMInt32Type(), 1, 0), "");
} else {
result = LLVMBuildIntToPtr(builder_, e1Value, LLVMPointerType(LLVMInt64Type(), 1), "");
}
gate2LValue_[gate] = result;
}
void LLVMIRBuilder::HandleBitCast(GateRef gate)
{
std::vector<GateRef> ins = circuit_->GetInVector(gate);
VisitBitCast(gate, ins[0]);
}
void LLVMIRBuilder::VisitBitCast(GateRef gate, GateRef e1)
{
LLVMValueRef e1Value = gate2LValue_[e1];
[[maybe_unused]] auto gateValCode = circuit_->LoadGatePtrConst(gate)->GetMachineType();
[[maybe_unused]] auto e1ValCode = circuit_->LoadGatePtrConst(e1)->GetMachineType();
ASSERT(GetBitWidthFromMachineType(gateValCode) == GetBitWidthFromMachineType(e1ValCode));
auto returnType = ConvertLLVMTypeFromGate(gate);
LLVMValueRef result = LLVMBuildBitCast(builder_, e1Value, returnType, "");
gate2LValue_[gate] = result;
}
LLVMModule::LLVMModule(const std::string &name, const std::string &triple)
: cfg_(triple)
{
module_ = LLVMModuleCreateWithName(name.c_str());
LLVMSetTarget(module_, triple.c_str());
}
LLVMModule::~LLVMModule()
{
if (module_ != nullptr) {
LLVMDisposeModule(module_);
module_ = nullptr;
}
}
void LLVMModule::InitialLLVMFuncTypeAndFuncByModuleCSigns()
{
for (size_t i = 0; i < callSigns_.size(); i++) {
const CallSignature* cs = callSigns_[i];
ASSERT(!cs->GetName().empty());
LLVMValueRef value = AddAndGetFunc(cs);
SetFunction(i, value);
}
}
void LLVMModule::SetUpForCommonStubs()
{
CommonStubCSigns::GetCSigns(callSigns_);
InitialLLVMFuncTypeAndFuncByModuleCSigns();
}
void LLVMModule::SetUpForBytecodeHandlerStubs()
{
BytecodeStubCSigns::GetCSigns(callSigns_);
InitialLLVMFuncTypeAndFuncByModuleCSigns();
}
LLVMValueRef LLVMModule::AddAndGetFunc(const CallSignature *stubDescriptor)
{
auto funcType = GetFuncType(stubDescriptor);
return LLVMAddFunction(module_, stubDescriptor->GetName().c_str(), funcType);
}
LLVMTypeRef LLVMModule::GetFuncType(const CallSignature *stubDescriptor)
{
LLVMTypeRef returnType = ConvertLLVMTypeFromVariableType(stubDescriptor->GetReturnType());
std::vector<LLVMTypeRef> paramTys;
auto paramCount = stubDescriptor->GetParametersCount();
int extraParameterCnt = 0;
auto paramsType = stubDescriptor->GetParametersType();
if (paramsType != nullptr) {
LLVMTypeRef glueType = ConvertLLVMTypeFromVariableType(paramsType[0]);
paramTys.push_back(glueType);
if (cfg_.Is32Bit() && stubDescriptor->GetTargetKind() != CallSignature::TargetKind::RUNTIME_STUB) {
if (stubDescriptor->GetCallConv() == CallSignature::CallConv::WebKitJSCallConv) {
for (int i = 0; i < CompilationConfig::FAKE_REGISTER_PARAMTERS_ARM32; i++) {
paramTys.push_back(glueType); // fake paramter's type is same with glue type
}
extraParameterCnt += CompilationConfig::FAKE_REGISTER_PARAMTERS_ARM32;
}
}
for (int i = 1; i < paramCount; i++) {
paramTys.push_back(ConvertLLVMTypeFromVariableType(paramsType[i]));
}
}
auto functype = LLVMFunctionType(returnType, paramTys.data(), paramCount + extraParameterCnt,
stubDescriptor->IsVariadicArgs());
return functype;
}
LLVMTypeRef LLVMModule::ConvertLLVMTypeFromVariableType(VariableType type)
{
static std::map<VariableType, LLVMTypeRef> machineTypeMap = {
{VariableType::VOID(), LLVMVoidType()},
{VariableType::BOOL(), LLVMInt1Type()},
{VariableType::INT8(), LLVMInt8Type()},
{VariableType::INT16(), LLVMInt16Type()},
{VariableType::INT32(), LLVMInt32Type()},
{VariableType::INT64(), LLVMInt64Type()},
{VariableType::INT8(), LLVMInt8Type()},
{VariableType::INT16(), LLVMInt16Type()},
{VariableType::INT32(), LLVMInt32Type()},
{VariableType::INT64(), LLVMInt64Type()},
{VariableType::FLOAT32(), LLVMFloatType()},
{VariableType::FLOAT64(), LLVMDoubleType()},
{VariableType::NATIVE_POINTER(), LLVMInt64Type()},
{VariableType::JS_POINTER(), LLVMPointerType(LLVMInt64Type(), 1)},
{VariableType::JS_ANY(), LLVMPointerType(LLVMInt64Type(), 1)},
};
if (cfg_.Is32Bit()) {
machineTypeMap[VariableType::NATIVE_POINTER()] = LLVMInt32Type();
LLVMTypeRef vectorType = LLVMVectorType(LLVMPointerType(LLVMInt8Type(), 1), 2); // 2: packed vector type
machineTypeMap[VariableType::JS_POINTER()] = vectorType;
machineTypeMap[VariableType::JS_ANY()] = vectorType;
}
return machineTypeMap[type];
}
LLVMValueRef LLVMModule::AddFunc(const panda::ecmascript::JSMethod *method)
{
VariableType retType(MachineType::I64, GateType::TAGGED_VALUE); // possibly get it for circuit
LLVMTypeRef returnType = ConvertLLVMTypeFromVariableType(retType);
std::vector<LLVMTypeRef> paramTys;
auto paramCount = method->GetNumArgs() + CommonArgIdx::NUM_OF_ARGS;
VariableType glueParamType(MachineType::I64, GateType::NJS_VALUE);
paramTys.push_back(ConvertLLVMTypeFromVariableType(glueParamType));
VariableType actualArgc(MachineType::I32, GateType::NJS_VALUE);
paramTys.push_back(ConvertLLVMTypeFromVariableType(actualArgc));
for (uint32_t i = CommonArgIdx::FUNC; i < CommonArgIdx::NUM_OF_ARGS; i++) {
VariableType paramsType(MachineType::I64, GateType::TAGGED_VALUE);
paramTys.push_back(ConvertLLVMTypeFromVariableType(paramsType));
}
for (uint32_t j = CommonArgIdx::NUM_OF_ARGS; j < paramCount; j++) {
VariableType paramsType(MachineType::I64, GateType::TAGGED_VALUE);
paramTys.push_back(ConvertLLVMTypeFromVariableType(paramsType));
}
auto funcType = LLVMFunctionType(returnType, paramTys.data(), paramCount, false); // not variable args
CString name = method->ParseFunctionName();
auto function = LLVMAddFunction(module_, name.c_str(), funcType);
auto offsetInPandaFile = method->GetMethodId().GetOffset();
JSPandaFile *jsPandaFile = const_cast<JSPandaFile *>(method->GetJSPandaFile());
size_t index = jsPandaFile->GetIdInConstantPool(offsetInPandaFile);
SetFunction(index, function);
return function;
}
} // namespace panda::ecmascript::kungfu
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