runtime/include/tfrt/compiler/compiler_pass.h

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1.7 KiB
C++

/*
* Copyright 2020 The TensorFlow Runtime Authors
*
* 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.
*/
// Compiler Pass
//
// This file declares CompilerPass interface.
#ifndef TFRT_COMPILER_COMPILER_PASS_H_
#define TFRT_COMPILER_COMPILER_PASS_H_
#include <string>
#include "llvm/ADT/SmallVector.h"
#include "mlir/IR/BuiltinOps.h"
#include "tfrt/support/forward_decls.h"
namespace tfrt {
// A simple compiler pass interface. This is meant to provide temporary
// interface before pluggable compiler pass has been fully designed.
// TODO(bramandia): Replace this with pluggable compiler passes once it is
// ready.
class CompilerPass {
public:
struct CompilationOutput {
mlir::OwningOpRef<mlir::ModuleOp> module;
llvm::SmallVector<std::string, 4> output_devices;
};
virtual ~CompilerPass() {}
virtual mlir::OwningOpRef<mlir::ModuleOp> ParseMlirProgram(
string_view program, mlir::MLIRContext* context) const = 0;
virtual llvm::Expected<CompilationOutput> Compile(
mlir::ModuleOp module, mlir::MLIRContext* context) const = 0;
};
void RegisterCompilerPass(const std::string& name, CompilerPass*);
const CompilerPass* GetCompilerPass(const std::string& name);
} // namespace tfrt
#endif // TFRT_COMPILER_COMPILER_PASS_H_