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Currently the Registry class contains the vestiges of a previous attempt to allow plugins to be used on Windows without using BUILD_SHARED_LIBS, where a plugin would have its own copy of a registry and export it to be imported by the tool that's loading the plugin. This only works if the plugin is entirely self-contained with the only interface between the plugin and tool being the registry, and in particular this conflicts with how IR pass plugins work. This patch changes things so that instead the add_node function of the registry is exported by the tool and then imported by the plugin, which solves this problem and also means that instead of every plugin having to export every registry they use instead LLVM only has to export the add_node functions. This allows plugins that use a registry to work on Windows if LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is used. Differential Revision: http://reviews.llvm.org/D21385 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276856 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
846 B
C++
25 lines
846 B
C++
//===-- GCStrategy.cpp - Garbage Collector Description --------------------===//
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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 implements the policy object GCStrategy which describes the
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// behavior of a given garbage collector.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GCStrategy.h"
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using namespace llvm;
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LLVM_INSTANTIATE_REGISTRY(GCRegistry)
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GCStrategy::GCStrategy()
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: UseStatepoints(false), NeededSafePoints(0), CustomReadBarriers(false),
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CustomWriteBarriers(false), CustomRoots(false), InitRoots(true),
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UsesMetadata(false) {}
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