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3d76c2d6f6
Fix unittest: Do not link LLVM into the test plugin. Additionally, remove an unrelated change that slipped in in r329273. llvm-svn: 329293
51 lines
1.9 KiB
C++
51 lines
1.9 KiB
C++
//===- lib/Passes/PassPluginLoader.cpp - Load Plugins for New PM Passes ---===//
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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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#include "llvm/Passes/PassPlugin.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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Expected<PassPlugin> PassPlugin::Load(const std::string &Filename) {
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std::string Error;
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auto Library =
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sys::DynamicLibrary::getPermanentLibrary(Filename.c_str(), &Error);
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if (!Library.isValid())
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return make_error<StringError>(Twine("Could not load library '") +
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Filename + "': " + Error,
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inconvertibleErrorCode());
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PassPlugin P{Filename, Library};
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auto *getDetailsFn =
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Library.SearchForAddressOfSymbol("llvmGetPassPluginInfo");
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if (!getDetailsFn)
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// If the symbol isn't found, this is probably a legacy plugin, which is an
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// error
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return make_error<StringError>(Twine("Plugin entry point not found in '") +
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Filename + "'. Is this a legacy plugin?",
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inconvertibleErrorCode());
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P.Info = reinterpret_cast<decltype(llvmGetPassPluginInfo) *>(getDetailsFn)();
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if (P.Info.APIVersion != LLVM_PLUGIN_API_VERSION)
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return make_error<StringError>(
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Twine("Wrong API version on plugin '") + Filename + "'. Got version " +
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Twine(P.Info.APIVersion) + ", supported version is " +
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Twine(LLVM_PLUGIN_API_VERSION) + ".",
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inconvertibleErrorCode());
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if (!P.Info.RegisterPassBuilderCallbacks)
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return make_error<StringError>(Twine("Empty entry callback in plugin '") +
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Filename + "'.'",
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inconvertibleErrorCode());
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return P;
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}
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