wehub-resource-sync
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright (c) 2021 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <llvm/IR/IRBuilder.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include "paddle/cinn/backends/llvm/codegen_llvm.h"
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#include "paddle/utils/flat_hash_map.h"
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namespace cinn::backends {
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class CodeGenX86 : public CodeGenLLVM {
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public:
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explicit CodeGenX86(llvm::Module* m,
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llvm::IRBuilder<>* b,
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const std::shared_ptr<SymbolTable>& vars = nullptr);
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virtual ~CodeGenX86();
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using LLVMIRVisitor::Visit;
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llvm::Value* Visit(const ir::For* op);
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private:
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// parallel information
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struct ParallelEnv {
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Expr task_id;
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Expr num_task;
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bool stride_pattern{false};
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bool in_parallel_loop{false};
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int parallel_loop_count{0};
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llvm::Value* penv{nullptr};
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};
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llvm::Value* ParallelLaunch();
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// Create parallel launch
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void CreateParallelLaunch(Expr body, int num_task);
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llvm::Value* PackVars(const std::vector<std::string>& vars,
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uint64_t* num_bytes);
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void UnpackVars(const std::vector<std::string>& vars, llvm::Value* data);
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llvm::BasicBlock* CheckCallSuccess(llvm::Value* retcode);
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// Current parallel environment scope.
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ParallelEnv parallel_env_;
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};
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} // namespace cinn::backends
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