| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 "util/hash-util.h" |
| |
| // Define the hashing functions for llvm. They are not used by anything that is |
| // cross compiled and without this, would get stripped by the clang optimizer. |
| #ifdef IR_COMPILE |
| using namespace impala; |
| |
| extern "C" |
| uint32_t IrMurmurHash(const void* data, int32_t bytes, uint32_t hash) { |
| return HashUtil::MurmurHash2_64(data, bytes, hash); |
| } |
| |
| extern "C" |
| uint32_t IrCrcHash(const void* data, int32_t bytes, uint32_t hash) { |
| #ifdef __SSE4_2__ |
| return HashUtil::CrcHash(data, bytes, hash); |
| #else |
| return HashUtil::FnvHash64to32(data, bytes, hash); |
| #endif |
| } |
| #else |
| #error "This file should only be compiled by clang." |
| #endif |
| |
