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llvm-mirror/lib/IR/PassManager.cpp
Chandler Carruth 0bb4ed7ba7 [PM] Implement the final conclusion as to how the analysis IDs should
work in the face of the limitations of DLLs and templated static
variables.

This requires passes that use the AnalysisBase mixin provide a static
variable themselves. So as to keep their APIs clean, I've made these
private and befriended the CRTP base class (which is the common
practice).

I've added documentation to AnalysisBase for why this is necessary and
at what point we can go back to the much simpler system.

This is clearly a better pattern than the extern template as it caught
*numerous* places where the template magic hadn't been applied and
things were "just working" but would eventually have broken
mysteriously.

llvm-svn: 263216
2016-03-11 10:22:49 +00:00

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//===- PassManager.cpp - Infrastructure for managing & running IR passes --===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/PassManager.h"
using namespace llvm;
// Explicit template instantiations for core template typedefs.
namespace llvm {
template class PassManager<Module>;
template class PassManager<Function>;
template class AnalysisManager<Module>;
template class AnalysisManager<Function>;
template class InnerAnalysisManagerProxy<FunctionAnalysisManager, Module>;
template class OuterAnalysisManagerProxy<ModuleAnalysisManager, Function>;
}