Simplify[IF]Cmp pieces. Add some predicates to CmpInst to determine whether a predicate is fp or int. llvm-svn: 86624
individual operands instead of taking a temporary array llvm-svn: 86619
takes decimated instructions and applies identities to them. This is pretty minimal at this point, but I plan to pull some instcombine logic out into these and similar routines. llvm-svn: 86613