Stephen Hines | c6ca60f | 2023-05-09 02:19:22 -0700 | [diff] [blame^] | 1 | //===- Local.h - Functions to perform local transformations -----*- C++ -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This family of functions perform various local transformations to the |
| 10 | // program. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_ANALYSIS_UTILS_LOCAL_H |
| 15 | #define LLVM_ANALYSIS_UTILS_LOCAL_H |
| 16 | |
| 17 | namespace llvm { |
| 18 | |
| 19 | class DataLayout; |
| 20 | class IRBuilderBase; |
| 21 | class User; |
| 22 | class Value; |
| 23 | |
| 24 | /// Given a getelementptr instruction/constantexpr, emit the code necessary to |
| 25 | /// compute the offset from the base pointer (without adding in the base |
| 26 | /// pointer). Return the result as a signed integer of intptr size. |
| 27 | /// When NoAssumptions is true, no assumptions about index computation not |
| 28 | /// overflowing is made. |
| 29 | Value *emitGEPOffset(IRBuilderBase *Builder, const DataLayout &DL, User *GEP, |
| 30 | bool NoAssumptions = false); |
| 31 | |
| 32 | } // namespace llvm |
| 33 | |
| 34 | #endif // LLVM_ANALYSIS_UTILS_LOCAL_H |