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1 //===- unittests/Passes/Plugins/PluginsTest.cpp ---------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "llvm/Analysis/CGSCCPassManager.h"
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10 #include "llvm/Config/config.h"
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11 #include "llvm/IR/PassManager.h"
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12 #include "llvm/Passes/PassBuilder.h"
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13 #include "llvm/Passes/PassPlugin.h"
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14 #include "llvm/Support/FileSystem.h"
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15 #include "llvm/Support/ManagedStatic.h"
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16 #include "llvm/Support/Path.h"
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17 #include "llvm/Testing/Support/Error.h"
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18 #include "llvm/Transforms/Scalar/LoopPassManager.h"
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19 #include "gtest/gtest.h"
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20
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21 #include "TestPlugin.h"
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22
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23 #include <cstdint>
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24
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25 using namespace llvm;
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26
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27 void anchor() {}
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28
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29 static std::string LibPath(const std::string Name = "TestPlugin") {
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30 const std::vector<testing::internal::string> &Argvs =
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31 testing::internal::GetArgvs();
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32 const char *Argv0 = Argvs.size() > 0 ? Argvs[0].c_str() : "PluginsTests";
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33 void *Ptr = (void *)(intptr_t)anchor;
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34 std::string Path = sys::fs::getMainExecutable(Argv0, Ptr);
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35 llvm::SmallString<256> Buf{sys::path::parent_path(Path)};
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36 sys::path::append(Buf, (Name + LTDL_SHLIB_EXT).c_str());
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37 return Buf.str();
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38 }
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39
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40 TEST(PluginsTests, LoadPlugin) {
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41 #if !defined(LLVM_ENABLE_PLUGINS)
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42 // Disable the test if plugins are disabled.
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43 return;
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44 #endif
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45
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46 auto PluginPath = LibPath();
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47 ASSERT_NE("", PluginPath);
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48
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49 Expected<PassPlugin> Plugin = PassPlugin::Load(PluginPath);
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50 ASSERT_TRUE(!!Plugin) << "Plugin path: " << PluginPath;
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51
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52 ASSERT_EQ(TEST_PLUGIN_NAME, Plugin->getPluginName());
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53 ASSERT_EQ(TEST_PLUGIN_VERSION, Plugin->getPluginVersion());
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54
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55 PassBuilder PB;
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56 ModulePassManager PM;
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57 ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, "plugin-pass"), Failed());
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58
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59 Plugin->registerPassBuilderCallbacks(PB);
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60 ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, "plugin-pass"), Succeeded());
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61 }
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