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authorDimitry Andric <dim@FreeBSD.org>2019-08-20 17:58:59 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-08-20 17:58:59 +0000
commit1a56a5ead7a2e84bee8240f5f6b033b5f1707154 (patch)
tree2f526c9cfcb089e51c33d6e1f0d51b10bda34714 /lib/Transforms/Hello/Hello.cpp
parentd8e91e46262bc44006913e6796843909f1ac7bcd (diff)
Notes
Diffstat (limited to 'lib/Transforms/Hello/Hello.cpp')
-rw-r--r--lib/Transforms/Hello/Hello.cpp65
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diff --git a/lib/Transforms/Hello/Hello.cpp b/lib/Transforms/Hello/Hello.cpp
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index 29b9bb8a94ea..000000000000
--- a/lib/Transforms/Hello/Hello.cpp
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@@ -1,65 +0,0 @@
-//===- Hello.cpp - Example code from "Writing an LLVM Pass" ---------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// 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)");