AMDGPU: Split 64-bit and of constant up

This breaks the tests that were meant for testing
64-bit inline immediates, so move those to shl where
they won't be broken up.

This should be repeated for the other related bit ops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258095 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed