mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-20 03:23:01 +02:00
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
|
//===-LTO.h - LLVM Link Time Optimizer ------------------------------------===//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// This file declares functions and classes used to support LTO. It is intended
|
||
|
// to be used both by LTO classes as well as by clients (gold-plugin) that
|
||
|
// don't utilize the LTO code generator interfaces.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef LLVM_LTO_LTO_H
|
||
|
#define LLVM_LTO_LTO_H
|
||
|
|
||
|
#include "llvm/ADT/StringMap.h"
|
||
|
|
||
|
namespace llvm {
|
||
|
|
||
|
class LLVMContext;
|
||
|
class MemoryBufferRef;
|
||
|
class Module;
|
||
|
|
||
|
/// Helper to load a module from bitcode.
|
||
|
std::unique_ptr<Module> loadModuleFromBuffer(const MemoryBufferRef &Buffer,
|
||
|
LLVMContext &Context, bool Lazy);
|
||
|
|
||
|
/// Provide a "loader" for the FunctionImporter to access function from other
|
||
|
/// modules.
|
||
|
class ModuleLoader {
|
||
|
/// The context that will be used for importing.
|
||
|
LLVMContext &Context;
|
||
|
|
||
|
/// Map from Module identifier to MemoryBuffer. Used by clients like the
|
||
|
/// FunctionImported to request loading a Module.
|
||
|
StringMap<MemoryBufferRef> &ModuleMap;
|
||
|
|
||
|
public:
|
||
|
ModuleLoader(LLVMContext &Context, StringMap<MemoryBufferRef> &ModuleMap)
|
||
|
: Context(Context), ModuleMap(ModuleMap) {}
|
||
|
|
||
|
/// Load a module on demand.
|
||
|
std::unique_ptr<Module> operator()(StringRef Identifier) {
|
||
|
return loadModuleFromBuffer(ModuleMap[Identifier], Context, /*Lazy*/ true);
|
||
|
}
|
||
|
};
|
||
|
}
|
||
|
|
||
|
#endif
|