ReleaseNotes: shrink-wrapping; by Quentin Colombet

[oota-llvm.git] / examples / BrainF / BrainFDriver.cpp

diff --git a/examples/BrainF/BrainFDriver.cpp b/examples/BrainF/BrainFDriver.cpp
index e2de6bc58d7b12e383f2f19a75b5175baeaa7904..1a38c67b0d4a0fc23b46dea5188a8266268435a8 100644 (file)
--- a/examples/BrainF/BrainFDriver.cpp
+++ b/examples/BrainF/BrainFDriver.cpp
@@ -26,8 +26,8 @@
 
 #include "BrainF.h"
 #include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
-#include "llvm/ExecutionEngine/JIT.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/Support/CommandLine.h"
@@ -64,9 +64,9 @@ void addMainFunction(Module *mod) {
                           IntegerType::getInt8Ty(mod->getContext()))), NULL));
   {
     Function::arg_iterator args = main_func->arg_begin();
-    Value *arg_0 = args++;
+    Value *arg_0 = &*args++;
     arg_0->setName("argc");
-    Value *arg_1 = args++;
+    Value *arg_1 = &*args++;
     arg_1->setName("argv");
   }
 
@@ -107,9 +107,8 @@ int main(int argc, char **argv) {
       OutputFilename = base+".bc";
     }
     if (OutputFilename != "-") {
-      std::string ErrInfo;
-      out = new raw_fd_ostream(OutputFilename.c_str(), ErrInfo,
-                               sys::fs::F_None);
+      std::error_code EC;
+      out = new raw_fd_ostream(OutputFilename, EC, sys::fs::F_None);
     }
   }
 
@@ -125,13 +124,13 @@ int main(int argc, char **argv) {
 
   //Read the BrainF program
   BrainF bf;
-  Module *mod = bf.parse(in, 65536, cf, Context); //64 KiB
+  std::unique_ptr<Module> Mod(bf.parse(in, 65536, cf, Context)); // 64 KiB
   if (in != &std::cin)
     delete in;
-  addMainFunction(mod);
+  addMainFunction(Mod.get());
 
   //Verify generated code
-  if (verifyModule(*mod)) {
+  if (verifyModule(*Mod)) {
     errs() << "Error: module failed verification.  This shouldn't happen.\n";
     abort();
   }
@@ -141,18 +140,18 @@ int main(int argc, char **argv) {
     InitializeNativeTarget();
 
     outs() << "------- Running JIT -------\n";
-    ExecutionEngine *ee = EngineBuilder(mod).create();
+    Module &M = *Mod;
+    ExecutionEngine *ee = EngineBuilder(std::move(Mod)).create();
     std::vector<GenericValue> args;
-    Function *brainf_func = mod->getFunction("brainf");
+    Function *brainf_func = M.getFunction("brainf");
     GenericValue gv = ee->runFunction(brainf_func, args);
   } else {
-    WriteBitcodeToFile(mod, *out);
+    WriteBitcodeToFile(Mod.get(), *out);
   }
 
   //Clean up
   if (out != &outs())
     delete out;
-  delete mod;
 
   llvm_shutdown();