53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
//===- lib/Tools/Plugins/PassPlugin.cpp - Load Plugins for PR Passes ------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Tools/Plugins/PassPlugin.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
#include <cstdint>
|
|
|
|
using namespace mlir;
|
|
|
|
llvm::Expected<PassPlugin> PassPlugin::load(const std::string &filename) {
|
|
std::string Error;
|
|
auto library =
|
|
llvm::sys::DynamicLibrary::getPermanentLibrary(filename.c_str(), &Error);
|
|
if (!library.isValid())
|
|
return llvm::make_error<llvm::StringError>(
|
|
Twine("Could not load library '") + filename + "': " + Error,
|
|
llvm::inconvertibleErrorCode());
|
|
|
|
PassPlugin plugin{filename, library};
|
|
|
|
// mlirGetPassPluginInfo should be resolved to the definition from the plugin
|
|
// we are currently loading.
|
|
intptr_t getDetailsFn =
|
|
(intptr_t)library.getAddressOfSymbol("mlirGetPassPluginInfo");
|
|
|
|
if (!getDetailsFn)
|
|
return llvm::make_error<llvm::StringError>(
|
|
Twine("Plugin entry point not found in '") + filename,
|
|
llvm::inconvertibleErrorCode());
|
|
|
|
plugin.info =
|
|
reinterpret_cast<decltype(mlirGetPassPluginInfo) *>(getDetailsFn)();
|
|
|
|
if (plugin.info.apiVersion != MLIR_PLUGIN_API_VERSION)
|
|
return llvm::make_error<llvm::StringError>(
|
|
Twine("Wrong API version on plugin '") + filename + "'. Got version " +
|
|
Twine(plugin.info.apiVersion) + ", supported version is " +
|
|
Twine(MLIR_PLUGIN_API_VERSION) + ".",
|
|
llvm::inconvertibleErrorCode());
|
|
|
|
if (!plugin.info.registerPassRegistryCallbacks)
|
|
return llvm::make_error<llvm::StringError>(
|
|
Twine("Empty entry callback in plugin '") + filename + "'.'",
|
|
llvm::inconvertibleErrorCode());
|
|
|
|
return plugin;
|
|
}
|