De-duplicate CS.getCalledFunction() expression.

Not sure if the optimizer will save the call as getCalledFunction()
is not a trivial access function but the code is clearer this way.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242641 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed