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llvm-mirror/unittests/Passes/PluginsTest.cpp
Philip Pfaffe 3d76c2d6f6 Re-land r329273: [Plugins] Add a slim plugin API to work together with the new PM
Fix unittest: Do not link LLVM into the test plugin.
Additionally, remove an unrelated change that slipped in in r329273.

llvm-svn: 329293
2018-04-05 15:04:13 +00:00

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1.7 KiB
C++

//===- 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"));
}