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- #pragma once
- #ifdef __GNUC__
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wunused-parameter"
- #endif
- //===- CSEConfigBase.h - A CSEConfig interface ------------------*- C++ -*-===//
- //
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
- // See https://llvm.org/LICENSE.txt for license information.
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- //
- //===----------------------------------------------------------------------===//
- #ifndef LLVM_CODEGEN_CSECONFIGBASE_H
- #define LLVM_CODEGEN_CSECONFIGBASE_H
- namespace llvm {
- // Class representing some configuration that can be done during GlobalISel's
- // CSEInfo analysis. We define it here because TargetPassConfig can't depend on
- // the GlobalISel library, and so we use this in the interface between them
- // so that the derived classes in GISel can reference generic opcodes.
- class CSEConfigBase {
- public:
- virtual ~CSEConfigBase() = default;
- // Hook for defining which Generic instructions should be CSEd.
- // GISelCSEInfo currently only calls this hook when dealing with generic
- // opcodes.
- virtual bool shouldCSEOpc(unsigned Opc) { return false; }
- };
- } // namespace llvm
- #endif // LLVM_CODEGEN_CSECONFIGBASE_H
- #ifdef __GNUC__
- #pragma GCC diagnostic pop
- #endif
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