40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "util/hash_util.hpp"
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namespace doris {
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// Define the hashing functions for llvm. They are not used by anything that is
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// cross compiled and without this, would get stripped by the clang optimizer.
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#ifdef IR_COMPILE
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extern "C" uint32_t ir_fnv_hash(const void* data, int32_t bytes, uint32_t hash) {
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return HashUtil::fnv_hash(data, bytes, hash);
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}
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extern "C" uint32_t ir_crc_hash(const void* data, int32_t bytes, uint32_t hash) {
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#ifdef __SSE4_2__
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return HashUtil::crc_hash(data, bytes, hash);
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#else
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return HashUtil::fnv_hash(data, bytes, hash);
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#endif
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}
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#else
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#error "This file should only be compiled by clang."
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#endif
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} // namespace doris
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