commit dd09ba6fed4ba95f81fcceadc4f6d4f6926a09a4
author Boris Ulasevich <boris.ulasevich@gmail.com> Thu Dec 15 19:29:42 2016 +0000
committer Copybara-Service <copybara-worker@google.com> Fri Oct 09 01:26:27 2020 -0700
tree 66b8b4770179014f70d866b3d9207a513f6881ee
parent 1dc55330f9f1104b319519bd7e7f03919a735d5f

BrainF example: fixing segfault caused by outdated code with missing MCJIT dependency
Differential Revision: https://reviews.llvm.org/D26280

llvm-svn: 289857
GitOrigin-RevId: b76f6c2745f7afb5912ce13110f4e9bd2405f47b

examples/BrainF/BrainFDriver.cpp

diff --git a/examples/BrainF/BrainFDriver.cpp b/examples/BrainF/BrainFDriver.cpp
index 686f476..57a86fb 100644
--- a/examples/BrainF/BrainFDriver.cpp
+++ b/examples/BrainF/BrainFDriver.cpp
@@ -29,6 +29,7 @@
 #include "llvm/Bitcode/BitcodeWriter.h"
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/ExecutionEngine/MCJIT.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
@@ -153,10 +154,15 @@
   //Write it out
   if (JIT) {
     InitializeNativeTarget();
+    InitializeNativeTargetAsmPrinter();
 
     outs() << "------- Running JIT -------\n";
     Module &M = *Mod;
     ExecutionEngine *ee = EngineBuilder(std::move(Mod)).create();
+    if (!ee) {
+      errs() << "Error: execution engine creation failed.\n";
+      abort();
+    }
     std::vector<GenericValue> args;
     Function *brainf_func = M.getFunction("brainf");
     GenericValue gv = ee->runFunction(brainf_func, args);

examples/BrainF/CMakeLists.txt

diff --git a/examples/BrainF/CMakeLists.txt b/examples/BrainF/CMakeLists.txt
index cf1cf1b..7b44b3a 100644
--- a/examples/BrainF/CMakeLists.txt
+++ b/examples/BrainF/CMakeLists.txt
@@ -3,6 +3,7 @@
   Core
   ExecutionEngine
   MC
+  MCJIT
   Support
   nativecodegen
   )