llvm/bolt/lib/Passes/ValidateInternalCalls.cpp

//===- bolt/Passes/ValidateInternalCalls.cpp ------------------------------===//
//
// 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 the ValidateInternalCalls class.
//
//===----------------------------------------------------------------------===//

#include "bolt/Passes/ValidateInternalCalls.h"
#include "bolt/Core/BinaryBasicBlock.h"
#include "bolt/Passes/DataflowInfoManager.h"
#include "bolt/Passes/FrameAnalysis.h"
#include "llvm/MC/MCInstPrinter.h"
#include <optional>
#include <queue>

#define DEBUG_TYPE …

namespace llvm {
namespace bolt {

namespace {

// Helper used to extract the target basic block used in an internal call.
// Return nullptr if this is not an internal call target.
BinaryBasicBlock *getInternalCallTarget(BinaryFunction &Function,
                                        const MCInst &Inst) { … }

// A special StackPointerTracking that considers internal calls
class StackPointerTrackingForInternalCalls
    : public StackPointerTrackingBase<StackPointerTrackingForInternalCalls> { … };

} // end anonymous namespace

void ValidateInternalCalls::fixCFGForPIC(BinaryFunction &Function) const { … }

bool ValidateInternalCalls::fixCFGForIC(BinaryFunction &Function) const { … }

bool ValidateInternalCalls::hasTailCallsInRange(
    BinaryFunction &Function) const { … }

bool ValidateInternalCalls::analyzeFunction(BinaryFunction &Function) const { … }

Error ValidateInternalCalls::runOnFunctions(BinaryContext &BC) { … }

} // namespace bolt
} // namespace llvm