X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=examples%2FFibonacci%2Ffibonacci.cpp;h=12393a414d0746813fb0d0104823d42639cccf84;hb=refs%2Fheads%2Foreo-x86;hp=cfd9b1e33cf5f38b8d9de4b4a865180b1d4d6e9f;hpb=5791df830dd8bc91f44aff98446d5f74a96ae185;p=android-x86%2Fexternal-llvm.git diff --git a/examples/Fibonacci/fibonacci.cpp b/examples/Fibonacci/fibonacci.cpp index cfd9b1e33cf..12393a414d0 100644 --- a/examples/Fibonacci/fibonacci.cpp +++ b/examples/Fibonacci/fibonacci.cpp @@ -1,9 +1,8 @@ //===--- examples/Fibonacci/fibonacci.cpp - An example use of the JIT -----===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// 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 // //===----------------------------------------------------------------------===// // @@ -23,26 +22,39 @@ // //===----------------------------------------------------------------------===// -#include "llvm/LLVMContext.h" -#include "llvm/Module.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Constants.h" -#include "llvm/Instructions.h" -#include "llvm/Analysis/Verifier.h" -#include "llvm/ExecutionEngine/JIT.h" -#include "llvm/ExecutionEngine/Interpreter.h" +#include "llvm/ADT/APInt.h" +#include "llvm/IR/Verifier.h" +#include "llvm/ExecutionEngine/ExecutionEngine.h" #include "llvm/ExecutionEngine/GenericValue.h" -#include "llvm/Support/raw_ostream.h" +#include "llvm/ExecutionEngine/MCJIT.h" +#include "llvm/IR/Argument.h" +#include "llvm/IR/BasicBlock.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/Function.h" +#include "llvm/IR/InstrTypes.h" +#include "llvm/IR/Instructions.h" +#include "llvm/IR/LLVMContext.h" +#include "llvm/IR/Module.h" +#include "llvm/IR/Type.h" +#include "llvm/Support/Casting.h" #include "llvm/Support/TargetSelect.h" +#include "llvm/Support/raw_ostream.h" +#include +#include +#include +#include +#include + using namespace llvm; static Function *CreateFibFunction(Module *M, LLVMContext &Context) { - // Create the fib function and insert it into module M. This function is said + // Create the fib function and insert it into module M. This function is said // to return an int and take an int parameter. + FunctionType *FibFTy = FunctionType::get(Type::getInt32Ty(Context), + {Type::getInt32Ty(Context)}, false); Function *FibF = - cast(M->getOrInsertFunction("fib", Type::getInt32Ty(Context), - Type::getInt32Ty(Context), - (Type *)0)); + Function::Create(FibFTy, Function::ExternalLinkage, "fib", M); // Add a basic block to the function. BasicBlock *BB = BasicBlock::Create(Context, "EntryBlock", FibF); @@ -52,7 +64,7 @@ static Function *CreateFibFunction(Module *M, LLVMContext &Context) { Value *Two = ConstantInt::get(Type::getInt32Ty(Context), 2); // Get pointer to the integer argument of the add1 function... - Argument *ArgX = FibF->arg_begin(); // Get the arg. + Argument *ArgX = &*FibF->arg_begin(); // Get the arg. ArgX->setName("AnArg"); // Give it a nice symbolic name for fun. // Create the true_block. @@ -77,7 +89,6 @@ static Function *CreateFibFunction(Module *M, LLVMContext &Context) { CallInst *CallFibX2 = CallInst::Create(FibF, Sub, "fibx2", RecurseBB); CallFibX2->setTailCall(); - // fib(x-1)+fib(x-2) Value *Sum = BinaryOperator::CreateAdd(CallFibX1, CallFibX2, "addresult", RecurseBB); @@ -88,25 +99,25 @@ static Function *CreateFibFunction(Module *M, LLVMContext &Context) { return FibF; } - int main(int argc, char **argv) { int n = argc > 1 ? atol(argv[1]) : 24; InitializeNativeTarget(); + InitializeNativeTargetAsmPrinter(); LLVMContext Context; // Create some module to put our function into it. - OwningPtr M(new Module("test", Context)); + std::unique_ptr Owner(new Module("test", Context)); + Module *M = Owner.get(); // We are about to create the "fib" function: - Function *FibF = CreateFibFunction(M.get(), Context); + Function *FibF = CreateFibFunction(M, Context); // Now we going to create JIT std::string errStr; ExecutionEngine *EE = - EngineBuilder(M.get()) + EngineBuilder(std::move(Owner)) .setErrorStr(&errStr) - .setEngineKind(EngineKind::JIT) .create(); if (!EE) {