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99f8b94bce
All the PassBuilder::parse interfaces now return descriptive StringError instead of a plain bool. It allows to make -passes/aa-pipeline parsing errors context-specific and thus less confusing. TODO: ideally we should also make suggestions for misspelled pass names, but that requires some extensions to PassBuilder. Reviewed By: philip.pfaffe, chandlerc Differential Revision: https://reviews.llvm.org/D53246 llvm-svn: 344685
63 lines
1.9 KiB
C++
63 lines
1.9 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/Config/config.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/Testing/Support/Error.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 + LTDL_SHLIB_EXT).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_THAT_ERROR(PB.parsePassPipeline(PM, "plugin-pass"), Failed());
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Plugin->registerPassBuilderCallbacks(PB);
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ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, "plugin-pass"), Succeeded());
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}
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