[InstCombine] Fold Select with binary op - non-commutative opcodes

Summary:
Basic version was merged - https://reviews.llvm.org/D49954

This adds support for FP & non-commutative opcodes

Precommited tests: https://reviews.llvm.org/rL338727

Reviewers: spatel, lebedev.ri

Reviewed By: spatel

Subscribers: jfb

Differential Revision: https://reviews.llvm.org/D50190

llvm-svn: 339520