Have IRBuilder take a template argument on whether or not to preserve

names. This can save a lot of allocations if you aren't going to be
looking at the output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54546 91177308-0d34-0410-b5e6-96231b3b80d8

examples/BrainF/BrainF.h

@@ -84,7 +84,7 @@ class BrainF {
     BasicBlock *aberrorbb;
 
     /// Variables
-    IRBuilder *builder;
+    IRBuilder<> *builder;
     Value *curhead;
 };