This is another follow up to https://reviews.llvm.org/D68098.
Add pattern matching for SVE vector instructions:
- add, sub, and, or, xor instructions
- sqadd, uqadd, sqsub, uqsub target-independent intrinsics
- bic intrinsics
- predicated add, sub, subr intrinsics
Nit: shouldn't be a space after MVT:: for the final valuetype.