/*

* Copyright 2017 MapD Technologies, Inc.

*

* 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 "MaxwellCodegenPatch.h"

llvm::Value* Executor::spillDoubleElement(llvm::Value* elem_val, llvm::Type* elem_ty) {

auto var_ptr = cgen_state_->ir_builder_.CreateAlloca(elem_ty);

cgen_state_->ir_builder_.CreateStore(elem_val, var_ptr);

return var_ptr;

}

bool Executor::isArchMaxwell(const ExecutorDeviceType dt) const {

return dt == ExecutorDeviceType::GPU && catalog_->get_dataMgr().cudaMgr_->isArchMaxwell();

}

bool GroupByAndAggregate::needsUnnestDoublePatch(llvm::Value* val_ptr,

const std::string& agg_base_name,

const CompilationOptions& co) const {

return (executor_->isArchMaxwell(co.device_type_) && query_mem_desc_.threadsShareMemory() &&

llvm::isa<llvm::AllocaInst>(val_ptr) &&

val_ptr->getType() == llvm::Type::getDoublePtrTy(executor_->cgen_state_->context_) &&

"agg_id" == agg_base_name);

}

void GroupByAndAggregate::prependForceSync() {

executor_->cgen_state_->ir_builder_.CreateCall(executor_->cgen_state_->module_->getFunction("force_sync"));

}