llvm/lib/CodeGen/LiveDebugValues/LiveDebugValues.h

   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 #ifndef LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H
  10 #define LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H
  11
  12 namespace llvm {
  13 class MachineDominatorTree;
  14 class MachineFunction;
  15 class TargetPassConfig;
  16 class Triple;
  17
  18 // Inline namespace for types / symbols shared between different
  19 // LiveDebugValues implementations.
  20 inline namespace SharedLiveDebugValues {
  21
  22 // Expose a base class for LiveDebugValues interfaces to inherit from. This
  23 // allows the generic LiveDebugValues pass handles to call into the
  24 // implementation.
  25 class LDVImpl {
  26 public:
  27   virtual bool ExtendRanges(MachineFunction &MF, MachineDominatorTree *DomTree,
  28                             TargetPassConfig *TPC, unsigned InputBBLimit,
  29                             unsigned InputDbgValLimit) = 0;
  30   virtual ~LDVImpl() = default;
  31 };
  32
  33 } // namespace SharedLiveDebugValues
  34
  35 // Factory functions for LiveDebugValues implementations.
  36 extern LDVImpl *makeVarLocBasedLiveDebugValues();
  37 extern LDVImpl *makeInstrRefBasedLiveDebugValues();
  38
  39 extern bool debuginfoShouldUseDebugInstrRef(const Triple &T);
  40
  41 } // namespace llvm
  42
  43 #endif // LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H