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" 13 using namespace llvm; 14 15 namespace { 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. 20 struct 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 36 char StripNonLineTableDebugInfo::ID = 0; 37 INITIALIZE_PASS(StripNonLineTableDebugInfo, "strip-nonlinetable-debuginfo", 38 "Strip all debug info except linetables", false, false) 39 40 ModulePass *llvm::createStripNonLineTableDebugInfoPass() { 41 return new StripNonLineTableDebugInfo(); 42 } 43