tools/llvmc/example/Hello/Hello.cpp

   1 //===- Hello.cpp - Example code from "Writing an LLVMC Plugin" ------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // Test plugin for LLVMC. Shows how to write plugins without using TableGen.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/CompilerDriver/CompilationGraph.h"
  15 #include "llvm/CompilerDriver/Plugin.h"
  16 #include "llvm/Support/raw_ostream.h"
  17
  18 namespace {
  19 struct MyPlugin : public llvmc::BasePlugin {
  20   void PopulateLanguageMap(llvmc::LanguageMap&) const
  21   { outs() << "Hello!\n"; }
  22
  23   void PopulateCompilationGraph(llvmc::CompilationGraph&) const
  24   {}
  25 };
  26
  27 static llvmc::RegisterPlugin<MyPlugin> RP("Hello", "Hello World plugin");
  28
  29 }