blob: 6669a2c0e8236c32c62fb6db337e4b55d1b04b80 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#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_CSECONFIG_BASE_H
#define LLVM_CODEGEN_CSECONFIG_BASE_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_CSECONFIG_BASE_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|