[llvm] [Support] Remove LongOptionsUseDoubleDash from cl::ParseCommandLineOptions (PR #226347)

[via llvm-commits]

llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-support

Author: Fangrui Song (MaskRay)

<details>
<summary>Changes</summary>

The mode (https://reviews.llvm.org/D61294), in which `-` introduces only
single-character options and `--` long ones, was added for the
binutils-style tools, which have since moved to OptTable. Its last
users, yaml2obj, obj2yaml and split-file, parse with OptTable now.

LLM-aided

---
Full diff: https://github.com/llvm/llvm-project/pull/226347.diff


3 Files Affected:

- (modified) llvm/include/llvm/Support/CommandLine.h (+1-2) 
- (modified) llvm/lib/Support/CommandLine.cpp (+15-29) 
- (modified) llvm/unittests/Support/CommandLineTest.cpp (-31) 


``````````diff
The server is unavailable at this time. Please wait a few minutes before you try again.
``````````

</details>


https://github.com/llvm/llvm-project/pull/226347