//===- SplitModule.h - Split a module into partitions -----------*- 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 file defines the function llvm::SplitModule, which splits a module // into multiple linkable partitions. It can be used to implement parallel code // generation for link-time optimization. // //===----------------------------------------------------------------------===// #ifndef LLVM_TRANSFORMS_UTILS_SPLITMODULE_H #define LLVM_TRANSFORMS_UTILS_SPLITMODULE_H #include "llvm/ADT/STLFunctionalExtras.h" #include namespace llvm { class Module; /// Splits the module M into N linkable partitions. The function ModuleCallback /// is called N times passing each individual partition as the MPart argument. /// /// FIXME: This function does not deal with the somewhat subtle symbol /// visibility issues around module splitting, including (but not limited to): /// /// - Internal symbols should not collide with symbols defined outside the /// module. /// - Internal symbols defined in module-level inline asm should be visible to /// each partition. void SplitModule( Module &M, unsigned N, function_ref MPart)> ModuleCallback, bool PreserveLocals = false); } // end namespace llvm #endif // LLVM_TRANSFORMS_UTILS_SPLITMODULE_H