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-rw-r--r--llvm/unittests/Passes/PluginsTest.cpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/llvm/unittests/Passes/PluginsTest.cpp b/llvm/unittests/Passes/PluginsTest.cpp
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index 00000000000..df1ba1c5b2b
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+++ b/llvm/unittests/Passes/PluginsTest.cpp
@@ -0,0 +1,53 @@
+//===- unittests/Passes/Plugins/PluginsTest.cpp ---------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Analysis/CGSCCPassManager.h"
+#include "llvm/IR/PassManager.h"
+#include "llvm/Passes/PassBuilder.h"
+#include "llvm/Passes/PassPlugin.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Transforms/Scalar/LoopPassManager.h"
+#include "gtest/gtest.h"
+
+#include "TestPlugin.h"
+
+using namespace llvm;
+
+void anchor() {}
+
+static std::string LibPath(const std::string Name = "TestPlugin") {
+ const std::vector<testing::internal::string> &Argvs =
+ testing::internal::GetArgvs();
+ const char *Argv0 = Argvs.size() > 0 ? Argvs[0].c_str() : "PluginsTests";
+ void *Ptr = (void *)anchor;
+ std::string Path = sys::fs::getMainExecutable(Argv0, Ptr);
+ llvm::SmallString<256> Buf{sys::path::parent_path(Path)};
+ sys::path::append(Buf, (Name + ".so").c_str());
+ return Buf.str();
+}
+
+TEST(PluginsTests, LoadPlugin) {
+ auto PluginPath = LibPath();
+ ASSERT_NE("", PluginPath);
+
+ Expected<PassPlugin> Plugin = PassPlugin::Load(PluginPath);
+ ASSERT_TRUE(!!Plugin) << "Plugin path: " << PluginPath;
+
+ ASSERT_EQ(TEST_PLUGIN_NAME, Plugin->getPluginName());
+ ASSERT_EQ(TEST_PLUGIN_VERSION, Plugin->getPluginVersion());
+
+ PassBuilder PB;
+ ModulePassManager PM;
+ ASSERT_FALSE(PB.parsePassPipeline(PM, "plugin-pass"));
+
+ Plugin->registerPassBuilderCallbacks(PB);
+ ASSERT_TRUE(PB.parsePassPipeline(PM, "plugin-pass"));
+}
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