1 //===- LiveDebugValues.cpp - Tracking Debug Value MIs ---------*- C++ -*---===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/CodeGen/MachineFunction.h"
10 #include "llvm/CodeGen/TargetPassConfig.h"
11 
12 namespace llvm {
13 
14 // Inline namespace for types / symbols shared between different
15 // LiveDebugValues implementations.
16 inline namespace SharedLiveDebugValues {
17 
18 // Expose a base class for LiveDebugValues interfaces to inherit from. This
19 // allows the generic LiveDebugValues pass handles to call into the
20 // implementation.
21 class LDVImpl {
22 public:
23   virtual bool ExtendRanges(MachineFunction &MF, TargetPassConfig *TPC) = 0;
24   virtual ~LDVImpl() {}
25 };
26 
27 } // namespace SharedLiveDebugValues
28 
29 // Factory functions for LiveDebugValues implementations.
30 extern LDVImpl *makeVarLocBasedLiveDebugValues();
31 extern LDVImpl *makeInstrRefBasedLiveDebugValues();
32 } // namespace llvm
33