[ARM] Remove an unused function from the disassembler.

Pointed out by Joerg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191749 91177308-0d34-0410-b5e6-96231b3b80d8
[SystemZ] Add patterns to load a constant into a high word (IIHF)

Similar to low words, we can use the shorter LLIHL and LLIHH if it turns
out that the other half of the GR64 isn't live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191750 91177308-0d34-0410-b5e6-96231b3b80d8
[SystemZ] Allow selects with a high-word destination


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191751 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a typo in the documentation. Thanks to Diana Vasile for the patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191752 91177308-0d34-0410-b5e6-96231b3b80d8
[SystemZ] Allow integer insertions with a high-word destination


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191753 91177308-0d34-0410-b5e6-96231b3b80d8
[SystemZ] Allow integer OR involving high words


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191755 91177308-0d34-0410-b5e6-96231b3b80d8
Remove several unused variables.

Patch by Alp Toker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191757 91177308-0d34-0410-b5e6-96231b3b80d8