wehub-resource-sync
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
|
|
#include "paddle/cinn/backends/llvm/codegen_llvm.h"
|
|
#include "paddle/cinn/runtime/intrinsic.h"
|
|
|
|
namespace cinn {
|
|
namespace backends {
|
|
|
|
/**
|
|
* CINN jit instructions support two kinds of invoke function, which can be
|
|
* represented like this:
|
|
* InvokeFunc = HostFunc | SwitchHostFunc
|
|
* HostFunc = X86Func | CudaHostFunc | HipHostFunc | ......
|
|
* CodeGenInvokeModule takes a CINN invoke Module(a module that only contains
|
|
* functions that jit instructions actually invoke) and output a LLVM module.
|
|
*/
|
|
class CodeGenInvokeModule : public CodeGenLLVM {
|
|
public:
|
|
explicit CodeGenInvokeModule(
|
|
llvm::Module *m,
|
|
llvm::IRBuilder<> *b,
|
|
const std::shared_ptr<SymbolTable> &vars = nullptr)
|
|
: CodeGenLLVM(m, b, vars) {}
|
|
|
|
using CodeGenLLVM::Visit;
|
|
llvm::Value *Visit(const ir::_LoweredFunc_ *func) {
|
|
return LowerInvokeFunc(func);
|
|
}
|
|
|
|
protected:
|
|
llvm::Value *LowerInvokeFunc(const ir::_LoweredFunc_ *func);
|
|
};
|
|
|
|
class CodeGenHost : public CodeGenInvokeModule {
|
|
public:
|
|
explicit CodeGenHost(llvm::Module *m,
|
|
llvm::IRBuilder<> *b,
|
|
const std::shared_ptr<SymbolTable> &vars = nullptr)
|
|
: CodeGenInvokeModule(m, b, vars) {}
|
|
};
|
|
|
|
/**
|
|
* In the SwitchHostFunc pattern, InvokeFunc is a switch statement where
|
|
* every case is a call of HostFunc. All the callee functions have the same
|
|
* parameters with the caller function.
|
|
*/
|
|
class CodeGenSwitchHost : public CodeGenInvokeModule {
|
|
public:
|
|
explicit CodeGenSwitchHost(llvm::Module *m,
|
|
llvm::IRBuilder<> *b,
|
|
const std::shared_ptr<SymbolTable> &vars = nullptr)
|
|
: CodeGenInvokeModule(m, b, vars) {}
|
|
// only support call of args get function and inner case host function call
|
|
llvm::Value *Visit(const ir::Call *op) override {
|
|
if (op->name == runtime::intrinsic::get_value_in_kernel_args) {
|
|
return CodeGenLLVM::Visit(op);
|
|
} else {
|
|
return LowerInnerCaseCall(op);
|
|
}
|
|
}
|
|
|
|
private:
|
|
llvm::Value *LowerInnerCaseCall(const ir::Call *op);
|
|
};
|
|
|
|
} // namespace backends
|
|
} // namespace cinn
|