blob: 79feab0f8f9476e708bff2241f7a7d9bac648216 (
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//== ----- llvm/CodeGen/GlobalISel/Combiner.h -------------------*- 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
//
//===----------------------------------------------------------------------===//
//
/// This contains common code to drive combines. Combiner Passes will need to
/// setup a CombinerInfo and call combineMachineFunction.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_GLOBALISEL_COMBINER_H
#define LLVM_CODEGEN_GLOBALISEL_COMBINER_H
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
namespace llvm {
class MachineRegisterInfo;
class CombinerInfo;
class GISelCSEInfo;
class TargetPassConfig;
class MachineFunction;
class Combiner {
public:
Combiner(CombinerInfo &CombinerInfo, const TargetPassConfig *TPC);
/// If CSEInfo is not null, then the Combiner will setup observer for
/// CSEInfo and instantiate a CSEMIRBuilder. Pass nullptr if CSE is not
/// needed.
bool combineMachineInstrs(MachineFunction &MF, GISelCSEInfo *CSEInfo);
protected:
CombinerInfo &CInfo;
MachineRegisterInfo *MRI = nullptr;
const TargetPassConfig *TPC;
std::unique_ptr<MachineIRBuilder> Builder;
};
} // End namespace llvm.
#endif // LLVM_CODEGEN_GLOBALISEL_GICOMBINER_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|
