llvm-project/llvm/lib/Transforms/Utils/StripNonLineTableDebugInfo.cpp

52 lines
1.7 KiB
C++

//===- StripNonLineTableDebugInfo.cpp -- Strip parts of Debug Info --------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Utils/StripNonLineTableDebugInfo.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils.h"
using namespace llvm;
namespace {
/// This pass strips all debug info that is not related line tables.
/// The result will be the same as if the program where compiled with
/// -gline-tables-only.
struct StripNonLineTableDebugLegacyPass : public ModulePass {
static char ID; // Pass identification, replacement for typeid
StripNonLineTableDebugLegacyPass() : ModulePass(ID) {
initializeStripNonLineTableDebugLegacyPassPass(
*PassRegistry::getPassRegistry());
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
bool runOnModule(Module &M) override {
return llvm::stripNonLineTableDebugInfo(M);
}
};
}
char StripNonLineTableDebugLegacyPass::ID = 0;
INITIALIZE_PASS(StripNonLineTableDebugLegacyPass,
"strip-nonlinetable-debuginfo",
"Strip all debug info except linetables", false, false)
ModulePass *llvm::createStripNonLineTableDebugLegacyPass() {
return new StripNonLineTableDebugLegacyPass();
}
PreservedAnalyses
StripNonLineTableDebugInfoPass::run(Module &M, ModuleAnalysisManager &AM) {
llvm::stripNonLineTableDebugInfo(M);
return PreservedAnalyses::all();
}