void WinEHStatePass::linkExceptionRegistration(IRBuilder<> &Builder,
Function *Handler) {
// Emit the .safeseh directive for this function.
Handler->addFnAttr("safeseh");
Type *LinkTy = getEHLinkRegistrationType();
// Handler = Handler
Value *HandlerI8 = Builder.CreateBitCast(Handler, Builder.getInt8PtrTy());
Builder.CreateStore(HandlerI8, Builder.CreateStructGEP(LinkTy, Link, 1));
// Next = [fs:00]
Constant *FSZero =
Constant::getNullValue(LinkTy->getPointerTo()->getPointerTo(257));
Value *Next = Builder.CreateLoad(FSZero);
Builder.CreateStore(Next, Builder.CreateStructGEP(LinkTy, Link, 0));
// [fs:00] = Link
Builder.CreateStore(Link, FSZero);
}
void CNodeCodeGenVisitor::Visit(CInput* s) {
IRBuilder<> builder = builders_.top();
Value* ptr_offset = builder.CreateGEP(ptr_, GetPtrOffset(s->GetOffset()));
Value* input = builder.CreateCall(get_char_);
builder.CreateStore(input, ptr_offset);
VisitNextCNode(s);
}
void PrototypeAST::CreateArgumentAllocas(Function *F)
{
Function::arg_iterator AI = F->arg_begin();
for (unsigned Idx = 0, e = Args.size(); Idx != e; ++Idx, ++AI)
{
AllocaInst* Alloca = CreateEntryBlockAlloca(Args[Idx]->getName(), Args[Idx]->getType());
Builder.CreateStore(AI,Alloca);
NamedValues[Args[Idx]->getName()] = Alloca;
typeTab[Args[Idx]->getName()] = Args[Idx]->getType();
}
}
/// compile_set_zero - Emit Code for '0'
void BrainFTraceRecorder::compile_set_zero(BrainFTraceNode *node,
IRBuilder<>& builder) {
Constant *Zero =
ConstantInt::get(IntegerType::getInt8Ty(Header->getContext()), 0);
builder.CreateStore(Zero, DataPtr);
if (node->left != (BrainFTraceNode*)~0ULL)
compile_opcode(node->left, builder);
else {
HeaderPHI->addIncoming(DataPtr, builder.GetInsertBlock());
builder.CreateBr(Header);
}
}
void CNodeCodeGenVisitor::Visit(CAdd* s) {
IRBuilder<> builder = builders_.top();
Value* offset_ptr = builder.CreateGEP(ptr_, GetPtrOffset(s->GetOffset()));
Value* offset_val = builder.CreateLoad(offset_ptr);
Value* add_val = GetDataOffset(s->GetAmt());
Value* result = builder.CreateAdd(offset_val, add_val);
builder.CreateStore(result, offset_ptr);
VisitNextCNode(s);
}
Value* VariableDef::codeGen(CodeGenContext &context) {
IRBuilder<> *builder = context.currentBuilder();
Value *alloc = builder->CreateAlloca(builder->getInt64Ty(), 0 , id.name.c_str());
context.locals()[id.name] = alloc;
if ( assExpr != NULL) {
context.locals()[id.name] = alloc;
Value *idValue = (*assExpr).codeGen(context);
return builder->CreateStore(idValue, context.locals()[id.name]);
}
return alloc;
}
/// compile_get - Emit code for ','
void BrainFTraceRecorder::compile_get(BrainFTraceNode *node,
IRBuilder<>& builder) {
Value *Ret = builder.CreateCall(getchar_func);
Value *Trunc =
builder.CreateTrunc(Ret, IntegerType::get(Ret->getContext(), 8));
builder.CreateStore(Ret, Trunc);
if (node->left != (BrainFTraceNode*)~0ULL)
compile_opcode(node->left, builder);
else {
HeaderPHI->addIncoming(DataPtr, builder.GetInsertBlock());
builder.CreateBr(Header);
}
}
/// compile_minus - Emit code for '-'
void BrainFTraceRecorder::compile_minus(BrainFTraceNode *node,
IRBuilder<>& builder) {
Value *CellValue = builder.CreateLoad(DataPtr);
Constant *One =
ConstantInt::get(IntegerType::getInt8Ty(Header->getContext()), 1);
Value *UpdatedValue = builder.CreateSub(CellValue, One);
builder.CreateStore(UpdatedValue, DataPtr);
if (node->left != (BrainFTraceNode*)~0ULL)
compile_opcode(node->left, builder);
else {
HeaderPHI->addIncoming(DataPtr, builder.GetInsertBlock());
builder.CreateBr(Header);
}
}
void WinEHStatePass::unlinkExceptionRegistration(IRBuilder<> &Builder) {
// Clone Link into the current BB for better address mode folding.
if (auto *GEP = dyn_cast<GetElementPtrInst>(Link)) {
GEP = cast<GetElementPtrInst>(GEP->clone());
Builder.Insert(GEP);
Link = GEP;
}
Type *LinkTy = getEHLinkRegistrationType();
// [fs:00] = Link->Next
Value *Next =
Builder.CreateLoad(Builder.CreateStructGEP(LinkTy, Link, 0));
Constant *FSZero =
Constant::getNullValue(LinkTy->getPointerTo()->getPointerTo(257));
Builder.CreateStore(Next, FSZero);
}
void
code_emitter::commit_set_const_value (value_t *value, Value *llvm_value)
{
Value *addr = emit_const_value_addr(value);
llvm_value = promote(llvm_value, value->compvar->type);
#ifdef DEBUG_OUTPUT
printf("storing value ");
compiler_print_value(value);
printf(" with llvm value ");
llvm_value->dump();
printf(" at addr ");
addr->dump();
#endif
builder->CreateStore(llvm_value, addr);
set_value_name(llvm_value, value);
}
void CNodeCodeGenVisitor::Visit(CMul* s) {
IRBuilder<> builder = builders_.top();
int op_offset = s->GetOpOffset();
int target_offset = s->GetTargetOffset();
int amt = s->GetAmt();
Value* op_offset_ptr = builder.CreateGEP(ptr_, GetPtrOffset(op_offset));
Value* target_offset_ptr =
builder.CreateGEP(ptr_, GetPtrOffset(target_offset));
Value* mul_val = GetDataOffset(amt);
Value* op_val = builder.CreateLoad(op_offset_ptr);
Value* target_val = builder.CreateLoad(target_offset_ptr);
Value* mul_result = builder.CreateMul(op_val, mul_val);
Value* add_result = builder.CreateAdd(target_val, mul_result);
builder.CreateStore(add_result, target_offset_ptr);
VisitNextCNode(s);
}
Value*
code_emitter::convert_complex_return_value (Value *result)
{
/* The result is complex, whose representation
differs between archs, and we need to transform
it into another arch-dependent
representation. */
if (sizeof(gpointer) == 4)
{
Value *local = complex_copy_var;
Value *local_ptr = builder->CreateBitCast(local, PointerType::getUnqual(Type::Int64Ty));
builder->CreateStore(result, local_ptr);
result = builder->CreateLoad(local);
}
else if (sizeof(gpointer) == 8)
result = builder->CreateExtractValue(result, 0);
else
g_assert_not_reached();
return result;
}
static void IncrementTimeCounter(Value* Inc, Value* calle, unsigned Index, GlobalVariable* Counters, IRBuilder<>& Builder, Value* Point)
{
LLVMContext &Context = Inc->getContext();
//In order to insert instruction after Point, we use the nextIns function.
Value* nextIns = getNextIns(Point);
Builder.SetInsertPoint(dyn_cast<Instruction>(nextIns));
// Create the getelementptr constant expression
std::vector<Constant*> Indices(2);
Indices[0] = Constant::getNullValue(Type::getInt32Ty(Context));
Indices[1] = ConstantInt::get(Type::getInt32Ty(Context), Index);
Constant *ElementPtr =
ConstantExpr::getGetElementPtr(Counters, Indices);
// Load, increment and store the value back.
// Use this formula: a = a + end_time - start_time
ArrayRef<Value*> args;
CallInst* Inc_end = Builder.CreateCall(calle, args, "");
Value* OldVal = Builder.CreateLoad(ElementPtr, "OldTimeCounter");
Value* TmpVal = Builder.CreateFSub(OldVal, Inc, "TmpTimeCounter");
Value* NewVal = Builder.CreateFAdd(TmpVal, Inc_end, "NewTimeCounter");
Builder.CreateStore(NewVal, ElementPtr);
}
Value* FunctionDef::codeGen(CodeGenContext &context) {
IRBuilder<> *builder = context.currentBuilder();
std::vector<Type*> argsType;
ArgsDefList::const_iterator it;
for (it = argsDefList.begin(); it != argsDefList.end(); it++) {
argsType.push_back(builder->getInt64Ty());
}
FunctionType *ftype = FunctionType::get(builder->getInt64Ty()
, ArrayRef<Type*>(argsType), false);
Function *function = Function::Create(ftype, GlobalValue::InternalLinkage
, functionName.name.c_str(), context.module);
BasicBlock *fBBlock = BasicBlock::Create(getGlobalContext()
, "entry", function, 0);
context.pushBlock(fBBlock);
builder = context.currentBuilder();
Function::arg_iterator args = function->arg_begin();
for (it = argsDefList.begin(); it != argsDefList.end(); it++) {
Value* a = args++;
Id &argId = (**it);
cout<<"argument name is "<<argId.name.c_str()<<endl;
a->setName(argId.name.c_str());
Value *alloc = builder->CreateAlloca(builder->getInt64Ty(), 0 , argId.name.c_str());
context.locals()[argId.name] = alloc;
builder->CreateStore(a, context.locals()[argId.name]);
}
(*functionBlock).codeGen(context);
context.popBlock();
return NULL;
}
/// compile_if - Emit code for '['
void BrainFTraceRecorder::compile_if(BrainFTraceNode *node,
IRBuilder<>& builder) {
BasicBlock *ZeroChild = 0;
BasicBlock *NonZeroChild = 0;
BasicBlock *Parent = builder.GetInsertBlock();
LLVMContext &Context = Header->getContext();
// If both directions of the branch go back to the trace-head, just
// jump there directly.
if (node->left == (BrainFTraceNode*)~0ULL &&
node->right == (BrainFTraceNode*)~0ULL) {
HeaderPHI->addIncoming(DataPtr, builder.GetInsertBlock());
builder.CreateBr(Header);
return;
}
// Otherwise, there are two cases to handle for each direction:
// ~0ULL - A branch back to the trace head
// 0 - A branch out of the trace
// * - A branch to a node we haven't compiled yet.
// Go ahead and generate code for both targets.
if (node->left == (BrainFTraceNode*)~0ULL) {
NonZeroChild = Header;
HeaderPHI->addIncoming(DataPtr, Parent);
} else if (node->left == 0) {
NonZeroChild = BasicBlock::Create(Context,
"exit_left_"+utostr(node->pc),
Header->getParent());
builder.SetInsertPoint(NonZeroChild);
// Set the extension leaf, which is a pointer to the leaf of the trace
// tree from which we are side exiting.
ConstantInt *ExtLeaf = ConstantInt::get(int_type, (intptr_t)node);
builder.CreateStore(ExtLeaf, ext_leaf);
ConstantInt *NewPc = ConstantInt::get(int_type, node->pc+1);
Value *BytecodeIndex =
builder.CreateConstInBoundsGEP1_32(bytecode_array, node->pc+1);
Value *Target = builder.CreateLoad(BytecodeIndex);
CallInst *Call =cast<CallInst>(builder.CreateCall2(Target, NewPc, DataPtr));
Call->setTailCall();
builder.CreateRetVoid();
} else {
NonZeroChild = BasicBlock::Create(Context,
utostr(node->left->pc),
Header->getParent());
builder.SetInsertPoint(NonZeroChild);
compile_opcode(node->left, builder);
}
if (node->right == (BrainFTraceNode*)~0ULL) {
ZeroChild = Header;
HeaderPHI->addIncoming(DataPtr, Parent);
} else if (node->right == 0) {
ZeroChild = BasicBlock::Create(Context,
"exit_right_"+utostr(node->pc),
Header->getParent());
builder.SetInsertPoint(ZeroChild);
// Set the extension leaf, which is a pointer to the leaf of the trace
// tree from which we are side exiting.
ConstantInt *ExtLeaf = ConstantInt::get(int_type, (intptr_t)node);
builder.CreateStore(ExtLeaf, ext_leaf);
ConstantInt *NewPc = ConstantInt::get(int_type, JumpMap[node->pc]+1);
Value *BytecodeIndex =
builder.CreateConstInBoundsGEP1_32(bytecode_array, JumpMap[node->pc]+1);
Value *Target = builder.CreateLoad(BytecodeIndex);
CallInst *Call =cast<CallInst>(builder.CreateCall2(Target, NewPc, DataPtr));
Call->setTailCall();
builder.CreateRetVoid();
} else {
ZeroChild = BasicBlock::Create(Context,
utostr(node->right->pc),
Header->getParent());
builder.SetInsertPoint(ZeroChild);
compile_opcode(node->right, builder);
}
// Generate the test and branch to select between the targets.
builder.SetInsertPoint(Parent);
Value *Loaded = builder.CreateLoad(DataPtr);
Value *Cmp = builder.CreateICmpEQ(Loaded,
ConstantInt::get(Loaded->getType(), 0));
builder.CreateCondBr(Cmp, ZeroChild, NonZeroChild);
}
Value*
code_emitter::emit_rhs (rhs_t *rhs)
{
switch (rhs->kind) {
case RHS_PRIMARY :
return emit_primary(&rhs->v.primary);
case RHS_INTERNAL :
return lookup_internal(rhs->v.internal);
case RHS_OP :
{
operation_t *op = rhs->v.op.op;
type_t promotion_type = TYPE_NIL;
char *function_name = compiler_function_name_for_op_rhs(rhs, &promotion_type);
if (promotion_type == TYPE_NIL)
assert(op->type_prop == TYPE_PROP_CONST);
if (op->type_prop != TYPE_PROP_CONST)
assert(promotion_type != TYPE_NIL);
Function *func = module->getFunction(string(function_name));
g_assert(func);
vector<Value*> args;
args.push_back(invocation_arg);
args.push_back(closure_arg);
args.push_back(pools_arg);
for (int i = 0; i < rhs->v.op.op->num_args; ++i) {
type_t type = promotion_type == TYPE_NIL ? op->arg_types[i] : promotion_type;
Value *val = emit_primary(&rhs->v.op.args[i], type == TYPE_FLOAT);
val = promote(val, type);
#ifndef __MINGW32__
if (sizeof(gpointer) == 4 && val->getType() == llvm_type_for_type(module, TYPE_COMPLEX))
{
Value *copy = builder->CreateAlloca(llvm_type_for_type(module, TYPE_COMPLEX));
builder->CreateStore(val, copy);
val = copy;
}
#endif
#ifdef DEBUG_OUTPUT
val->dump();
#endif
args.push_back(val);
}
#ifdef DEBUG_OUTPUT
func->dump();
#endif
Value *result = builder->CreateCall(func, args.begin(), args.end());
/* FIXME: this is ugly - we should check for the type
of the operation or resulting value */
if (is_complex_return_type(result->getType()))
result = convert_complex_return_value(result);
return result;
}
case RHS_FILTER :
{
int num_args = compiler_num_filter_args(rhs->v.filter.filter);
Value *closure = emit_closure(rhs->v.filter.filter, rhs->v.filter.args);
Function *func = lookup_filter_function(module, rhs->v.filter.filter);
vector<Value*> args;
args.push_back(invocation_arg);
args.push_back(closure);
args.push_back(emit_primary(&rhs->v.filter.args[num_args - 3]));
args.push_back(emit_primary(&rhs->v.filter.args[num_args - 2]));
args.push_back(emit_primary(&rhs->v.filter.args[num_args - 1]));
args.push_back(pools_arg);
return builder->CreateCall(func, args.begin(), args.end());
}
case RHS_CLOSURE :
return emit_closure(rhs->v.closure.filter, rhs->v.closure.args);
case RHS_TUPLE :
case RHS_TREE_VECTOR :
{
Function *set_func = module->getFunction(string("tuple_set"));
Value *tuple = builder->CreateCall2(module->getFunction(string("alloc_tuple")),
pools_arg,
make_int_const(rhs->v.tuple.length));
int i;
for (i = 0; i < rhs->v.tuple.length; ++i)
{
Value *val = emit_primary(&rhs->v.tuple.args[i], true);
builder->CreateCall3(set_func, tuple, make_int_const(i), val);
}
if (rhs->kind == RHS_TREE_VECTOR)
{
return builder->CreateCall3(module->getFunction(string("alloc_tree_vector")),
pools_arg,
make_int_const(rhs->v.tuple.length),
tuple);
}
else
return tuple;
}
default :
g_assert_not_reached();
}
}
void ASTCodeGenVisitor::Visit(GetInput* s) {
IRBuilder<> builder = builders_.top();
Value* input = builder.CreateCall(get_char_);
builder.CreateStore(input, ptr_);
VisitNextASTNode(s);
}
JITFunction*
CompilePipeline(Pipeline *pipeline, Thread *thread) {
size_t i = 0;
size_t size = 0;
std::unique_ptr<Module> owner = make_unique<Module>("PipelineFunction", thread->context);
Module *module = owner.get();
std::string fname = std::string("PipelineFunction") + std::to_string(thread->functions++);
size_t input_count = pipeline->inputData->objects.size();
size_t output_count = pipeline->outputData->objects.size();
size_t function_arg_count = 6;
size_t arg_count = input_count + output_count + (function_arg_count - 2);
size_t start_addr = input_count + output_count;
size_t end_addr = start_addr + 1;
size_t result_sizes_addr = end_addr + 1;
size_t thread_nr_addr = result_sizes_addr + 1;
IRBuilder<> *builder = &thread->builder;
auto passmanager = CreatePassManager(module, thread->jit.get());
module->setDataLayout(thread->jit->getTargetMachine().createDataLayout());
Type *int8_tpe = Type::getInt8Ty(thread->context);
Type *int8ptr_tpe = PointerType::get(int8_tpe, 0);
Type *int8ptrptr_tpe = PointerType::get(int8ptr_tpe, 0);
Type *int64_tpe = Type::getInt64Ty(thread->context);
Type *int64ptr_tpe = PointerType::get(int64_tpe, 0);
JITInformation info;
// arguments of the function
// the arguments are (void **result, void** inputs, size_t start, size_t end);
// note that we don't actually use void**, we use int8**, because LLVM does not support void pointers
std::vector<Type*> arguments(function_arg_count);
i = 0;
arguments[i++] = int8ptrptr_tpe; // void** results
arguments[i++] = int8ptrptr_tpe; // void** inputs
arguments[i++] = int64_tpe; // size_t start
arguments[i++] = int64_tpe; // size_t end
arguments[i++] = int64ptr_tpe; // size_t* result_sizes
arguments[i++] = int64_tpe; // size_t thread_nr
assert(i == function_arg_count);
/*for(auto inputs = pipeline->inputData->objects.begin(); inputs != pipeline->inputData->objects.end(); inputs++, i++) {
arguments[i] = PointerType::get(getLLVMType(thread->context, inputs->type), 0);
}
for(auto outputs = pipeline->outputData->objects.begin(); outputs != pipeline->outputData->objects.end(); outputs++, i++) {
arguments[i] = PointerType::get(getLLVMType(thread->context, outputs->type), 0);
}*/
// create the LLVM function
FunctionType *prototype = FunctionType::get(int64_tpe, arguments, false);
Function *function = Function::Create(prototype, GlobalValue::ExternalLinkage, fname, module);
function->setCallingConv(CallingConv::C);
// create the basic blocks
BasicBlock *loop_entry = BasicBlock::Create(thread->context, "entry", function, 0);
BasicBlock *loop_cond = BasicBlock::Create(thread->context, "for.cond", function, 0);
BasicBlock *loop_body = BasicBlock::Create(thread->context, "for.body", function, 0);
BasicBlock *loop_inc = BasicBlock::Create(thread->context, "for.inc", function, 0);
BasicBlock *loop_end = BasicBlock::Create(thread->context, "for.end", function, 0);
info.builder = &thread->builder;
info.context = &thread->context;
info.function = function;
info.loop_entry = loop_entry;
info.loop_cond = loop_cond;
info.loop_body = loop_body;
info.loop_inc = loop_inc;
info.loop_end = loop_end;
info.current = loop_body;
#ifndef _NOTDEBUG
// argument names (for debug purposes only)
std::vector<std::string> argument_names(arg_count);
i = 0;
for(auto inputs = pipeline->inputData->objects.begin(); inputs != pipeline->inputData->objects.end(); inputs++, i++) {
argument_names[i] = std::string("inputs") + std::to_string(i);
}
for(auto outputs = pipeline->outputData->objects.begin(); outputs != pipeline->outputData->objects.end(); outputs++, i++) {
argument_names[i] = std::string("outputs") + std::to_string(i - input_count);
}
argument_names[i++] = "start";
argument_names[i++] = "end";
argument_names[i++] = "result_sizes";
argument_names[i++] = "thread_nr";
#endif
std::vector<AllocaInst*> argument_addresses(arg_count);
builder->SetInsertPoint(loop_entry);
{
// allocate space for the arguments
auto args = function->arg_begin();
i = 0;
for(auto outputs = pipeline->outputData->objects.begin(); outputs != pipeline->outputData->objects.end(); outputs++, i++) {
Type *column_type = PointerType::get(getLLVMType(thread->context, outputs->source->type), 0);
Value *voidptrptr = builder->CreateGEP(int8ptr_tpe, &*args, ConstantInt::get(int64_tpe, i, true));
Value *voidptr = builder->CreateLoad(voidptrptr, "voidptr");
Value *columnptr = builder->CreatePointerCast(voidptr, column_type);
argument_addresses[i] = builder->CreateAlloca(column_type, nullptr, argument_names[i]);
builder->CreateStore(columnptr, argument_addresses[i]);
outputs->alloca_address = (void*) argument_addresses[i];
if (size == 0 || size == 1) {
assert(outputs->source->size >= 0);
size = outputs->source->size;
}
assert(size == outputs->source->size || outputs->source->size == 1);
}
args++;
for(auto inputs = pipeline->inputData->objects.begin(); inputs != pipeline->inputData->objects.end(); inputs++, i++) {
Type *column_type = PointerType::get(getLLVMType(thread->context, inputs->source->type), 0);
Value *voidptrptr = builder->CreateGEP(int8ptr_tpe, &*args, ConstantInt::get(int64_tpe, i - output_count, true));
Value *voidptr = builder->CreateLoad(voidptrptr, "voidptr");
Value *columnptr = builder->CreatePointerCast(voidptr, column_type);
argument_addresses[i] = builder->CreateAlloca(column_type, nullptr, argument_names[i]);
builder->CreateStore(columnptr, argument_addresses[i]);
inputs->alloca_address = (void*) argument_addresses[i];
if (size == 0 || size == 1) {
assert(inputs->source->size >= 0);
size = inputs->source->size;
}
assert(size == inputs->source->size || inputs->source->size == 1);
}
args++;
argument_addresses[i] = builder->CreateAlloca(arguments[2], nullptr, argument_names[i]);
builder->CreateStore(&*args, argument_addresses[i]);
args++; i++;
argument_addresses[i] = builder->CreateAlloca(arguments[3], nullptr, argument_names[i]);
builder->CreateStore(&*args, argument_addresses[i]);
args++; i++;
argument_addresses[i] = builder->CreateAlloca(arguments[4], nullptr, argument_names[i]);
builder->CreateStore(&*args, argument_addresses[i]);
args++; i++;
argument_addresses[i] = builder->CreateAlloca(arguments[5], nullptr, argument_names[i]);
builder->CreateStore(&*args, argument_addresses[i]);
args++; i++;
assert(args == function->arg_end());
assert(i == arg_count);
info.index_addr = argument_addresses[start_addr];
info.thread_addr = argument_addresses[thread_nr_addr];
PerformInitialization(info, pipeline->operation);
builder->CreateBr(loop_cond);
}
// for loop condition: index < end
builder->SetInsertPoint(loop_cond);
{
LoadInst *index = builder->CreateLoad(argument_addresses[start_addr], "index");
LoadInst *end = builder->CreateLoad(argument_addresses[end_addr], "end");
Value *condition = builder->CreateICmpSLT(index, end, "index < end");
builder->CreateCondBr(condition, loop_body, loop_end);
}
// loop body: perform the computation
builder->SetInsertPoint(loop_body);
{
LoadInst *index = builder->CreateLoad(argument_addresses[start_addr], "index");
info.index = index;
info.index_addr = argument_addresses[start_addr];
// perform the computation over the given index
// we don't use the return value because the final assignment has already taken place
Value *v = PerformOperation(info, thread->builder, thread->context, pipeline->operation, pipeline->inputData, pipeline->outputData);
if (v == NULL) {
// failed to perform operation
printf("Failed to compile pipeline %s\n", pipeline->name);
return NULL;
}
builder->CreateBr(loop_inc);
}
// loop increment: index++
builder->SetInsertPoint(loop_inc);
{
LoadInst *index = builder->CreateLoad(argument_addresses[start_addr], "index");
Value *incremented_index = builder->CreateAdd(index, ConstantInt::get(int64_tpe, 1, true), "index++");
builder->CreateStore(incremented_index, argument_addresses[start_addr]);
builder->CreateBr(loop_cond);
}
// loop end: return; (nothing happens here because we have no return value)
builder->SetInsertPoint(loop_end);
{
// return the output size of each of the columns
int i = 0;
Value *result_sizes = builder->CreateLoad(argument_addresses[result_sizes_addr], "result_sizes[]");
for(auto it = pipeline->outputData->objects.begin(); it != pipeline->outputData->objects.end(); it++) {
Value* output_count;
if (it->index_addr) {
output_count = builder->CreateLoad((Value*) it->index_addr, "count");
} else {
output_count = ConstantInt::get(int64_tpe, 1, true);
}
Value *output_addr = builder->CreateGEP(int64_tpe, result_sizes, ConstantInt::get(int64_tpe, i, true));
builder->CreateStore(output_count, output_addr);
i++;
}
builder->CreateRet(ConstantInt::get(int64_tpe, 0, true));
}
#ifndef _NOTDEBUG
verifyFunction(*function);
verifyModule(*module);
#endif
//printf("LLVM for pipeline %s\n", pipeline->name);
module->dump();
passmanager->run(*function);
// dump generated LLVM code
//module->dump();
auto handle = thread->jit->addModule(std::move(owner));
jit_function compiled_function = (jit_function) thread->jit->findSymbol(fname).getAddress();
if (!compiled_function) {
printf("Error creating function.\n");
return NULL;
}
JITFunction *jf = CreateJITFunction(thread, pipeline);
jf->size = size;
jf->function = compiled_function;
jf->jit = thread->jit.get();
jf->handle = handle;
assert(jf->function);
return jf;
}