[PowerPC][NFC] Add a TOC save test case prior to posting a related patch

An upcoming patch will modify the behaviour with respect to saving the TOC
in functions with indirect calls.
Adding a test case so the patch will show the difference in codegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364375 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed