New testcase: the phi can be eliminated if the casts are sucked into it.
Note that this reduces code size anyway (as well as making further
optimizations simpler) so it's always a win.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17739 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed