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-rw-r--r--contrib/llvm/examples/ModuleMaker/ModuleMaker.cpp64
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diff --git a/contrib/llvm/examples/ModuleMaker/ModuleMaker.cpp b/contrib/llvm/examples/ModuleMaker/ModuleMaker.cpp
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-//===- examples/ModuleMaker/ModuleMaker.cpp - Example project ---*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This programs is a simple example that creates an LLVM module "from scratch",
-// emitting it as a bitcode file to standard out. This is just to show how
-// LLVM projects work and to demonstrate some of the LLVM APIs.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Constants.h"
-#include "llvm/Instructions.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-int main() {
- LLVMContext Context;
-
- // Create the "module" or "program" or "translation unit" to hold the
- // function
- Module *M = new Module("test", Context);
-
- // Create the main function: first create the type 'int ()'
- FunctionType *FT =
- FunctionType::get(Type::getInt32Ty(Context), /*not vararg*/false);
-
- // By passing a module as the last parameter to the Function constructor,
- // it automatically gets appended to the Module.
- Function *F = Function::Create(FT, Function::ExternalLinkage, "main", M);
-
- // Add a basic block to the function... again, it automatically inserts
- // because of the last argument.
- BasicBlock *BB = BasicBlock::Create(Context, "EntryBlock", F);
-
- // Get pointers to the constant integers...
- Value *Two = ConstantInt::get(Type::getInt32Ty(Context), 2);
- Value *Three = ConstantInt::get(Type::getInt32Ty(Context), 3);
-
- // Create the add instruction... does not insert...
- Instruction *Add = BinaryOperator::Create(Instruction::Add, Two, Three,
- "addresult");
-
- // explicitly insert it into the basic block...
- BB->getInstList().push_back(Add);
-
- // Create the return instruction and add it to the basic block
- BB->getInstList().push_back(ReturnInst::Create(Context, Add));
-
- // Output the bitcode file to stdout
- WriteBitcodeToFile(M, outs());
-
- // Delete the module and all of its contents.
- delete M;
- return 0;
-}