android: shared_llvm.mk: add libLLVMOrcJIT to llvm_device_static_libraries

[android-x86/external-llvm.git] / examples / Fibonacci / fibonacci.cpp

diff --git a/examples/Fibonacci/fibonacci.cpp b/examples/Fibonacci/fibonacci.cpp
index cfd9b1e..12393a4 100644 (file)
--- 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 <algorithm>
+#include <cstdlib>
+#include <memory>
+#include <string>
+#include <vector>
+
 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<Function>(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<Module> M(new Module("test", Context));
+  std::unique_ptr<Module> 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) {