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022a8990dd
Or replace with llvm::function_ref if it's never stored. NFC intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272513 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
//===- SplitModule.h - Split a module into partitions -----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the function llvm::SplitModule, which splits a module
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// into multiple linkable partitions. It can be used to implement parallel code
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// generation for link-time optimization.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_UTILS_SPLITMODULE_H
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#define LLVM_TRANSFORMS_UTILS_SPLITMODULE_H
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#include "llvm/ADT/STLExtras.h"
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#include <memory>
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namespace llvm {
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class Module;
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class StringRef;
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/// Splits the module M into N linkable partitions. The function ModuleCallback
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/// is called N times passing each individual partition as the MPart argument.
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///
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/// FIXME: This function does not deal with the somewhat subtle symbol
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/// visibility issues around module splitting, including (but not limited to):
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///
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/// - Internal symbols should not collide with symbols defined outside the
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/// module.
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/// - Internal symbols defined in module-level inline asm should be visible to
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/// each partition.
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void SplitModule(
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std::unique_ptr<Module> M, unsigned N,
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function_ref<void(std::unique_ptr<Module> MPart)> ModuleCallback,
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bool PreserveLocals = false);
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} // End llvm namespace
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#endif
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