[X86] Add combine to shrink 64-bit ands when one input is an any_extend and...

[X86] Add combine to shrink 64-bit ands when one input is an any_extend and the other input guarantees upper 32 bits are 0.

Summary: This gets the shift case from PR35792.

Reviewers: spatel, RKSimon

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D43222

llvm-svn: 325018