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