simplify and comment some code better.  Make BindRuntimeGlobals
more optimistic that it will work (optimizing for the common case).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67438 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 95cb53c..d34b0f5 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -29,6 +29,7 @@
 /// block.
 llvm::AllocaInst *CodeGenFunction::CreateTempAlloca(const llvm::Type *Ty,
                                                     const char *Name) {
+  // FIXME: Should not pass name if names are disabled in IRBuilder.
   return new llvm::AllocaInst(Ty, 0, Name, AllocaInsertPt);
 }