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llvm-mirror/include/llvm/LTO/LTOBackend.h
Peter Collingbourne c6d4553768 IPO: Const correctness for summaries passed into passes.
Pass const qualified summaries into importers and unqualified summaries into
exporters. This lets us const-qualify the summary argument to thinBackend.

Differential Revision: https://reviews.llvm.org/D31230

llvm-svn: 298534
2017-03-22 18:22:59 +00:00

53 lines
1.8 KiB
C++

//===-LTOBackend.h - LLVM Link Time Optimizer Backend ---------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the "backend" phase of LTO, i.e. it performs
// optimization and code generation on a loaded module. It is generally used
// internally by the LTO class but can also be used independently, for example
// to implement a standalone ThinLTO backend.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LTO_LTOBACKEND_H
#define LLVM_LTO_LTOBACKEND_H
#include "llvm/ADT/MapVector.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/LTO/LTO.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Transforms/IPO/FunctionImport.h"
namespace llvm {
class BitcodeModule;
class Error;
class Module;
class Target;
namespace lto {
/// Runs a regular LTO backend. The regular LTO backend can also act as the
/// regular LTO phase of ThinLTO, which may need to access the combined index.
Error backend(Config &C, AddStreamFn AddStream,
unsigned ParallelCodeGenParallelismLevel,
std::unique_ptr<Module> M, ModuleSummaryIndex &CombinedIndex);
/// Runs a ThinLTO backend.
Error thinBackend(Config &C, unsigned Task, AddStreamFn AddStream, Module &M,
const ModuleSummaryIndex &CombinedIndex,
const FunctionImporter::ImportMapTy &ImportList,
const GVSummaryMapTy &DefinedGlobals,
MapVector<StringRef, BitcodeModule> &ModuleMap);
}
}
#endif