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diff --git a/llvm/lib/Transforms/Hello/Hello.cpp b/llvm/lib/Transforms/Hello/Hello.cpp
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-//===- Hello.cpp - Example code from "Writing an LLVM Pass" ---------------===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements two versions of the LLVM "Hello World" pass described
-// in docs/WritingAnLLVMPass.html
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/Statistic.h"
-#include "llvm/IR/Function.h"
-#include "llvm/Pass.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "hello"
-
-STATISTIC(HelloCounter, "Counts number of functions greeted");
-
-namespace {
- // Hello - The first implementation, without getAnalysisUsage.
- struct Hello : public FunctionPass {
- static char ID; // Pass identification, replacement for typeid
- Hello() : FunctionPass(ID) {}
-
- bool runOnFunction(Function &F) override {
- ++HelloCounter;
- errs() << "Hello: ";
- errs().write_escaped(F.getName()) << '\n';
- return false;
- }
- };
-}
-
-char Hello::ID = 0;
-static RegisterPass<Hello> X("hello", "Hello World Pass");
-
-namespace {
- // Hello2 - The second implementation with getAnalysisUsage implemented.
- struct Hello2 : public FunctionPass {
- static char ID; // Pass identification, replacement for typeid
- Hello2() : FunctionPass(ID) {}
-
- bool runOnFunction(Function &F) override {
- ++HelloCounter;
- errs() << "Hello: ";
- errs().write_escaped(F.getName()) << '\n';
- return false;
- }
-
- // We don't modify the program, so we preserve all analyses.
- void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.setPreservesAll();
- }
- };
-}
-
-char Hello2::ID = 0;
-static RegisterPass<Hello2>
-Y("hello2", "Hello World Pass (with getAnalysisUsage implemented)");