llvm/llvm/lib/Transforms/IPO/StripDeadPrototypes.cpp

//===-- StripDeadPrototypes.cpp - Remove unused function declarations ----===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This pass loops over all of the functions in the input module, looking for
// dead declarations and removes them. Dead declarations are declarations of
// functions for which no implementation is available (i.e., declarations for
// unused library functions).
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/IPO/StripDeadPrototypes.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Module.h"
#include "llvm/Transforms/IPO.h"

usingnamespacellvm;

#define DEBUG_TYPE …

STATISTIC(NumDeadPrototypes, "Number of dead prototypes removed");

static bool stripDeadPrototypes(Module &M) { … }

PreservedAnalyses StripDeadPrototypesPass::run(Module &M,
                                               ModuleAnalysisManager &) { … }