diff --git a/llvm/lib/ExecutionEngine/TargetSelect.cpp b/llvm/lib/ExecutionEngine/TargetSelect.cpp
index 9b7d348..b10d51f 100644
--- a/llvm/lib/ExecutionEngine/TargetSelect.cpp
+++ b/llvm/lib/ExecutionEngine/TargetSelect.cpp
@@ -47,7 +47,7 @@
     TheTriple.setTriple(sys::getProcessTriple());
 
   // Adjust the triple to match what the user requested.
-  const Target *TheTarget = 0;
+  const Target *TheTarget = nullptr;
   if (!MArch.empty()) {
     for (TargetRegistry::iterator it = TargetRegistry::begin(),
            ie = TargetRegistry::end(); it != ie; ++it) {
@@ -61,7 +61,7 @@
       if (ErrorStr)
         *ErrorStr = "No available targets are compatible with this -march, "
                     "see -version for the available targets.\n";
-      return 0;
+      return nullptr;
     }
 
     // Adjust the triple to match (if known), otherwise stick with the
@@ -72,10 +72,10 @@
   } else {
     std::string Error;
     TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), Error);
-    if (TheTarget == 0) {
+    if (!TheTarget) {
       if (ErrorStr)
         *ErrorStr = Error;
-      return 0;
+      return nullptr;
     }
   }