Print ConstantPool entries initialized to Values with WriteAsOperand instead of
operator<< so that functions are printed as just their name instead of as their
entire definition, which is excessively verbose in this context.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183871 91177308-0d34-0410-b5e6-96231b3b80d8