xref: /llvm-project/llvm/unittests/Passes/Plugins/TestPlugin/TestPlugin.cpp (revision e281d102fb73bffae32831b759ed07744e82b751)
1 //===- unittests/Passes/TestPlugin.cpp --------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/Passes/PassBuilder.h"
10 #include "llvm/Passes/PassPlugin.h"
11 
12 #include "../TestPlugin.h"
13 
14 using namespace llvm;
15 
16 struct TestModulePass : public PassInfoMixin<TestModulePass> {
runTestModulePass17   PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM) {
18     return PreservedAnalyses::all();
19   }
20 
registerCallbacksTestModulePass21   static void registerCallbacks(PassBuilder &PB) {
22     PB.registerPipelineParsingCallback(
23         [](StringRef Name, ModulePassManager &PM,
24            ArrayRef<PassBuilder::PipelineElement> InnerPipeline) {
25           if (Name == "plugin-pass") {
26             PM.addPass(TestModulePass());
27             return true;
28           }
29           return false;
30         });
31   }
32 };
33 
34 extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo()35 llvmGetPassPluginInfo() {
36   return {LLVM_PLUGIN_API_VERSION, TEST_PLUGIN_NAME, TEST_PLUGIN_VERSION,
37           TestModulePass::registerCallbacks};
38 }
39