llvm/llvm/lib/IR/AbstractCallSite.cpp

//===-- AbstractCallSite.cpp - Implementation of abstract call sites ------===//
//
// 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 file implements abstract call sites which unify the interface for
// direct, indirect, and callback call sites.
//
// For more information see:
// https://llvm.org/devmtg/2018-10/talk-abstracts.html#talk20
//
//===----------------------------------------------------------------------===//

#include "llvm/IR/AbstractCallSite.h"
#include "llvm/ADT/Statistic.h"

usingnamespacellvm;

#define DEBUG_TYPE …

STATISTIC(NumCallbackCallSites, "Number of callback call sites created");
STATISTIC(NumDirectAbstractCallSites,
          "Number of direct abstract call sites created");
STATISTIC(NumInvalidAbstractCallSitesUnknownUse,
          "Number of invalid abstract call sites created (unknown use)");
STATISTIC(NumInvalidAbstractCallSitesUnknownCallee,
          "Number of invalid abstract call sites created (unknown callee)");
STATISTIC(NumInvalidAbstractCallSitesNoCallback,
          "Number of invalid abstract call sites created (no callback)");

void AbstractCallSite::getCallbackUses(
    const CallBase &CB, SmallVectorImpl<const Use *> &CallbackUses) { … }

/// Create an abstract call site from a use.
AbstractCallSite::AbstractCallSite(const Use *U)
    : … { … }