blob: 9ef3da7589477abfb7ff1bba4a4cf5ef0ae729a2 (
plain)
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
|
// WebAssemblyDebugValueManager.h - WebAssembly DebugValue Manager -*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains the declaration of the WebAssembly-specific
/// manager for DebugValues associated with the specific MachineInstr.
/// This pass currently does not handle DBG_VALUE_LISTs; they are assumed to
/// have been set to undef in NullifyDebugValueLists pass.
/// TODO Handle DBG_VALUE_LIST
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/Register.h"
namespace llvm {
class MachineInstr;
class WebAssemblyDebugValueManager {
MachineInstr *Def;
SmallVector<MachineInstr *, 1> DbgValues;
Register CurrentReg;
SmallVector<MachineInstr *, 1>
getSinkableDebugValues(MachineInstr *Insert) const;
bool isInsertSamePlace(MachineInstr *Insert) const;
public:
WebAssemblyDebugValueManager(MachineInstr *Def);
// Sink 'Def', and also sink its eligible DBG_VALUEs to the place before
// 'Insert'. Convert the original DBG_VALUEs into undefs.
void sink(MachineInstr *Insert);
// Clone 'Def' (optionally), and also clone its eligible DBG_VALUEs to the
// place before 'Insert'.
void cloneSink(MachineInstr *Insert, Register NewReg = Register(),
bool CloneDef = true) const;
// Update the register for Def and DBG_VALUEs.
void updateReg(Register Reg);
// Replace the current register in DBG_VALUEs with the given LocalId target
// index.
void replaceWithLocal(unsigned LocalId);
// Remove Def, and set its DBG_VALUEs to undef.
void removeDef();
};
} // end namespace llvm
#endif
|
