pull a bunch of logic out of instcombine into instsimplify for compare 
simplification, this handles the foldable fcmp x,x cases among many others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86627 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed