Revert r70630. Go back to appending ".b" to internal globals when shrinking
them to bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70653 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index c46677d..b804e2b 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1549,12 +1549,10 @@
   
   // Create the new global, initializing it to false.
   GlobalVariable *NewGV = new GlobalVariable(Type::Int1Ty, false,
-                                             GlobalValue::InternalLinkage, 
-                                             ConstantInt::getFalse(),
-                                             "",
+         GlobalValue::InternalLinkage, ConstantInt::getFalse(),
+                                             GV->getName()+".b",
                                              (Module *)NULL,
                                              GV->isThreadLocal());
-  NewGV->takeName(GV);
   GV->getParent()->getGlobalList().insert(GV, NewGV);
 
   Constant *InitVal = GV->getInitializer();