[MIPS GlobalISel] ClampScalar G_AND G_OR and G_XOR

Add narrowScalar for G_AND and G_XOR.
Legalize G_AND G_OR and G_XOR for types other then s32 
with clampScalar on MIPS32.

Differential Revision: https://reviews.llvm.org/D55362


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349475 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed