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