Local.h

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//===- Local.h - Functions to perform local transformations -----*- C++ -*-===//
//
// 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 family of functions perform various local transformations to the
// program.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_ANALYSIS_UTILS_LOCAL_H
#define LLVM_ANALYSIS_UTILS_LOCAL_H
 
#include "llvm/Support/Compiler.h"
 
namespace llvm {
 
class DataLayout;
class IRBuilderBase;
class User;
class Value;
 
/// Given a getelementptr instruction/constantexpr, emit the code necessary to
/// compute the offset from the base pointer (without adding in the base
/// pointer). Return the result as a signed integer of intptr size.
/// When NoAssumptions is true, no assumptions about index computation not
/// overflowing is made.
LLVM_ABI Value *emitGEPOffset(IRBuilderBase *Builder, const DataLayout &DL,
                              User *GEP, bool NoAssumptions = false);
 
} // namespace llvm
 
#endif // LLVM_ANALYSIS_UTILS_LOCAL_H