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e765d633c4
lit is picking up a stale executable in the unittests tree, which is failing on Windows. To simplify the CMake and avoid problems like this in the future, now we always compile the test, but the test exits successfully when plugins are not enabled. llvm-svn: 330867
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
//===- unittests/Passes/Plugins/PluginsTest.cpp ---------------------------===//
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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/Analysis/CGSCCPassManager.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Passes/PassBuilder.h"
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#include "llvm/Passes/PassPlugin.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Transforms/Scalar/LoopPassManager.h"
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#include "gtest/gtest.h"
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#include "TestPlugin.h"
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#include <cstdint>
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using namespace llvm;
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void anchor() {}
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static std::string LibPath(const std::string Name = "TestPlugin") {
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const std::vector<testing::internal::string> &Argvs =
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testing::internal::GetArgvs();
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const char *Argv0 = Argvs.size() > 0 ? Argvs[0].c_str() : "PluginsTests";
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void *Ptr = (void *)(intptr_t)anchor;
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std::string Path = sys::fs::getMainExecutable(Argv0, Ptr);
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llvm::SmallString<256> Buf{sys::path::parent_path(Path)};
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sys::path::append(Buf, (Name + ".so").c_str());
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return Buf.str();
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}
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TEST(PluginsTests, LoadPlugin) {
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#if !defined(LLVM_ENABLE_PLUGINS)
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// Disable the test if plugins are disabled.
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return;
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#endif
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auto PluginPath = LibPath();
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ASSERT_NE("", PluginPath);
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Expected<PassPlugin> Plugin = PassPlugin::Load(PluginPath);
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ASSERT_TRUE(!!Plugin) << "Plugin path: " << PluginPath;
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ASSERT_EQ(TEST_PLUGIN_NAME, Plugin->getPluginName());
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ASSERT_EQ(TEST_PLUGIN_VERSION, Plugin->getPluginVersion());
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PassBuilder PB;
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ModulePassManager PM;
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ASSERT_FALSE(PB.parsePassPipeline(PM, "plugin-pass"));
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Plugin->registerPassBuilderCallbacks(PB);
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ASSERT_TRUE(PB.parsePassPipeline(PM, "plugin-pass"));
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}
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