llvm/llvm/examples/Bye/Bye.cpp

#include "llvm/IR/Function.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Pass.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"

usingnamespacellvm;

static cl::opt<bool> Wave("wave-goodbye", cl::init(false),
                          cl::desc("wave good bye"));

namespace {

bool runBye(Function &F) { … }

struct LegacyBye : public FunctionPass { … };

struct Bye : PassInfoMixin<Bye> { … };

} // namespace

char LegacyBye::ID = …;

static RegisterPass<LegacyBye> X("goodbye", "Good Bye World Pass",
                                 false /* Only looks at CFG */,
                                 false /* Analysis Pass */);

/* New PM Registration */
llvm::PassPluginLibraryInfo getByePluginInfo() { … }

#ifndef LLVM_BYE_LINK_INTO_TOOLS
extern "C" LLVM_ATTRIBUTE_WEAK ::llvm::PassPluginLibraryInfo
llvmGetPassPluginInfo() { … }
#endif