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-//===--- HowToUseJIT.cpp - An example use of the JIT ----------------------===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Valery A. Khamenya and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-//  This small program provides an example of how to quickly build a small
-//  module with two functions and execute it with the JIT. 
-// 
-// Goal: 
-//  The goal of this snippet is to create in the memory
-//  the LLVM module consisting of two functions as follow:
-//
-// int add1(int x) {
-//   return x+1;
-// }
-// 
-// int foo() {
-//   return add1(10);
-// }
-// 
-// then compile the module via JIT, then execute the `foo' 
-// function and return result to a driver, i.e. to a "host program".
-// 
-// Some remarks and questions:
-// 
-// - could we invoke some code using noname functions too?
-//   e.g. evaluate "foo()+foo()" without fears to introduce 
-//   conflict of temporary function name with some real
-//   existing function name?
-// 
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Module.h"
-#include "llvm/Constants.h"
-#include "llvm/Type.h"
-#include "llvm/Instructions.h"
-#include "llvm/ModuleProvider.h"
-#include "llvm/ExecutionEngine/ExecutionEngine.h"
-#include "llvm/ExecutionEngine/GenericValue.h"
-#include <iostream>
-using namespace llvm;
-
-int main() {
-  // Create some module to put our function into it.
-  Module *M = new Module("test");
-
-  // Create the add1 function entry and insert this entry into module M.  The
-  // function will have a return type of "int" and take an argument of "int".
-  // The '0' terminates the list of argument types.
-  Function *Add1F = M->getOrInsertFunction("add1", Type::IntTy, Type::IntTy, 0);
-
-  // Add a basic block to the function. As before, it automatically inserts
-  // because of the last argument.
-  BasicBlock *BB = new BasicBlock("EntryBlock", Add1F);
-  
-  // Get pointers to the constant `1'.
-  Value *One = ConstantSInt::get(Type::IntTy, 1);
-
-  // Get pointers to the integer argument of the add1 function...
-  assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
-  Argument *ArgX = Add1F->abegin();  // Get the arg
-  ArgX->setName("AnArg");            // Give it a nice symbolic name for fun.
-
-  // Create the add instruction, inserting it into the end of BB.
-  Instruction *Add = BinaryOperator::createAdd(One, ArgX, "addresult", BB);
-  
-  // Create the return instruction and add it to the basic block
-  new ReturnInst(Add, BB);
-
-  // Now, function add1 is ready.
-
-
-  // Now we going to create function `foo', which returns an int and takes no
-  // arguments.
-  Function *FooF = M->getOrInsertFunction("foo", Type::IntTy, 0);
-
-  // Add a basic block to the FooF function.
-  BB = new BasicBlock("EntryBlock", FooF);
-
-  // Get pointers to the constant `10'.
-  Value *Ten = ConstantSInt::get(Type::IntTy, 10);
-
-  // Pass Ten to the call call:
-  std::vector<Value*> Params;
-  Params.push_back(Ten);
-  CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
-    
-  // Create the return instruction and add it to the basic block.
-  new ReturnInst(Add1CallRes, BB);
-
-  // Now we create the JIT.
-  ExistingModuleProvider* MP = new ExistingModuleProvider(M);
-  ExecutionEngine* EE = ExecutionEngine::create(MP, false);
-
-  std::cout << "We just constructed this LLVM module:\n\n" << *M;
-  std::cout << "\n\nRunning foo: " << std::flush;
-
-  // Call the `foo' function with no arguments:
-  std::vector<GenericValue> noargs;
-  GenericValue gv = EE->runFunction(FooF, noargs);
-
-  // Import result of execution:
-  std::cout << "Result: " << gv.IntVal << "\n";
-  return 0;
-}