Temporarily revert this, it's causing an issue with an internal project.

llvm-svn: 99451
diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index 599fe33..17f8827 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -229,9 +229,7 @@
   const Function *CalledFunc = CS.getCalledFunction();
   if (CalledFunc == 0 ||          // Can't inline external function or indirect
       CalledFunc->isDeclaration() || // call, or call to a vararg function!
-      CalledFunc->getFunctionType()->isVarArg() ||
-      CS.isNoInline())            // Call site is marked noinline.
-    return false;
+      CalledFunc->getFunctionType()->isVarArg()) return false;
 
 
   // If the call to the callee is not a tail call, we must clear the 'tail'