[NFC] Fix line endings for ModRef.cpp/OptionStrCmp.cpp (#109712)

[LLVM][Option] Refactor option name comparison (#108219)

Move common functions shared by TableGen Option Emitter
and Options library to Support:
- Move `StrCmpOptionName` and base it on the existi

[LLVM][Option] Refactor option name comparison (#108219)

Move common functions shared by TableGen Option Emitter
and Options library to Support:
- Move `StrCmpOptionName` and base it on the existing version
in OptTable.cpp, with an additional mode to control fall back to
case insensitive comparison.
- Add `StrCmpOptionPrefixes` to compare prefixes and use zip() to
iterate through lists of prefixes.
- Rename `CompareOptionRecords` to less ambiguous name
`IsOptionRecordLess`.
- Merge 2 back-to-back ifs with same condition in
`IsOptionRecordLess`.

Fixes https://github.com/llvm/llvm-project/issues/107723

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