Revert "Option parsing: support case-insensitive option matching." as it broke Windows buildbot.

This reverts r189416.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189424 91177308-0d34-0410-b5e6-96231b3b80d8
Add support for DW_FORM_dataN and DW_FORM_udata to the DIE hashing
algorithm. Update the split dwarf hashing testcase accordingly - this
should be the last time that the hash of an empty file changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189427 91177308-0d34-0410-b5e6-96231b3b80d8
Add a TODO here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189428 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Set isAllocatable and CoveredBySubRegs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189430 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Clean up definitions of move word from/to coprocessor instructions.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189431 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Use ptr_rc to simplify definitions of base+index load/store instructions.
Also, fix predicates.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189432 91177308-0d34-0410-b5e6-96231b3b80d8