Mark all x86 Int_ and _Int patterns as isCodeGenOnly so the disassembler table builder doesn't need to string match them to exclude them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198323 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unnecessary stirng comparison from disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198325 91177308-0d34-0410-b5e6-96231b3b80d8