1//===- StripNonLineTableDebugInfo.cpp -- Strip parts of Debug Info --------===// 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/IR/DebugInfo.h" 10#include "llvm/InitializePasses.h" 11#include "llvm/Pass.h" 12#include "llvm/Transforms/Utils.h" 13using namespace llvm; 14 15namespace { 16 17/// This pass strips all debug info that is not related line tables. 18/// The result will be the same as if the program where compiled with 19/// -gline-tables-only. 20struct StripNonLineTableDebugInfo : public ModulePass { 21 static char ID; // Pass identification, replacement for typeid 22 StripNonLineTableDebugInfo() : ModulePass(ID) { 23 initializeStripNonLineTableDebugInfoPass(*PassRegistry::getPassRegistry()); 24 } 25 26 void getAnalysisUsage(AnalysisUsage &AU) const override { 27 AU.setPreservesAll(); 28 } 29 30 bool runOnModule(Module &M) override { 31 return llvm::stripNonLineTableDebugInfo(M); 32 } 33}; 34} 35 36char StripNonLineTableDebugInfo::ID = 0; 37INITIALIZE_PASS(StripNonLineTableDebugInfo, "strip-nonlinetable-debuginfo", 38 "Strip all debug info except linetables", false, false) 39 40ModulePass *llvm::createStripNonLineTableDebugInfoPass() { 41 return new StripNonLineTableDebugInfo(); 42} 43