1 //===- StripNonLineTableDebugInfo.cpp -- Strip parts of Debug Info --------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/IR/DebugInfo.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
StripNonLineTableDebugInfo__anone993e0f00111::StripNonLineTableDebugInfo22   StripNonLineTableDebugInfo() : ModulePass(ID) {
23     initializeStripNonLineTableDebugInfoPass(*PassRegistry::getPassRegistry());
24   }
25 
getAnalysisUsage__anone993e0f00111::StripNonLineTableDebugInfo26   void getAnalysisUsage(AnalysisUsage &AU) const override {
27     AU.setPreservesAll();
28   }
29 
runOnModule__anone993e0f00111::StripNonLineTableDebugInfo30   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 
createStripNonLineTableDebugInfoPass()40 ModulePass *llvm::createStripNonLineTableDebugInfoPass() {
41   return new StripNonLineTableDebugInfo();
42 }
43