llvm/bolt/lib/Passes/StackAllocationAnalysis.cpp

//===- bolt/Passes/StackAllocationAnalysis.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 StackAllocationAnalysis class.
//
//===----------------------------------------------------------------------===//

#include "bolt/Passes/StackAllocationAnalysis.h"
#include "bolt/Passes/StackPointerTracking.h"
#include "llvm/Support/Debug.h"

#define DEBUG_TYPE …

namespace llvm {
namespace bolt {

void StackAllocationAnalysis::preflight() { … }

BitVector
StackAllocationAnalysis::getStartingStateAtBB(const BinaryBasicBlock &BB) { … }

BitVector
StackAllocationAnalysis::getStartingStateAtPoint(const MCInst &Point) { … }

void StackAllocationAnalysis::doConfluence(BitVector &StateOut,
                                           const BitVector &StateIn) { … }

BitVector StackAllocationAnalysis::doKill(const MCInst &Point,
                                          const BitVector &StateIn,
                                          int DeallocSize) { … }

void StackAllocationAnalysis::doConfluenceWithLP(BitVector &StateOut,
                                                 const BitVector &StateIn,
                                                 const MCInst &Invoke) { … }

BitVector StackAllocationAnalysis::computeNext(const MCInst &Point,
                                               const BitVector &Cur) { … }

} // end namespace bolt
} // end namespace llvm