[llvm] [NFC][indvars] Remove unused code in WidenIV::widenLoopCompare (PR #73506)

Wed Nov 29 16:24:46 PST 2023

wenju-he wrote:

> That clang-format diff seems to be coming from [7c93452](https://github.com/llvm/llvm-project/commit/7c93452e174dd182c36471bc1e8272f26c0ae6db). Not sure why that's getting picked up.
> 
> I've opened an issue at #73873 as this shouldn't be happening. I'm guessing if you rebase against a recent `main`, the immediate issue will be fixed while investigation/work is done on fixing the underlying issue in the CI.

thank you @boomanaiden154 for the analysis. clang-format check passed after rebase.

However, there is new error:
```
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<!--StartFragment-->
$ git clean -ffxdq
--
  | # Fetch and checkout pull request head from GitHub
  | $ git fetch -v --prune -- origin refs/pull/73506/head
  | POST git-upload-pack (401 bytes)
  | POST git-upload-pack (943 bytes)
  | POST git-upload-pack (gzip 2543 to 1316 bytes)
  | POST git-upload-pack (gzip 5743 to 2922 bytes)
  | POST git-upload-pack (gzip 12143 to 6112 bytes)
  | remote: Enumerating objects: 7, done.
  | remote: Counting objects: 100% (6/6), done.
  | remote: Total 7 (delta 6), reused 6 (delta 6), pack-reused 1
  | Unpacking objects: 100% (7/7), 7.25 KiB \| 200.00 KiB/s, done.
  | From https://github.com/llvm/llvm-project
  | * branch                      refs/pull/73506/head -> FETCH_HEAD
  | # FETCH_HEAD is now `c9808bf052d7ae13c3a8fb7678bdd2573a00deb9`
  | $ git checkout -f b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | fatal: reference is not a tree: b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | ⚠️ Warning: Checkout failed! checking out commit "b77f90718a325c0ead0e041aed31f3ee7cf8cc56": exit status 128 (Attempt 1/3 Retrying in 2s)
  | $ git clean -ffxdq
  | # Fetch and checkout pull request head from GitHub
  | $ git fetch -v --prune -- origin refs/pull/73506/head
  | POST git-upload-pack (401 bytes)
  | From https://github.com/llvm/llvm-project
  | * branch                      refs/pull/73506/head -> FETCH_HEAD
  | # FETCH_HEAD is now `c9808bf052d7ae13c3a8fb7678bdd2573a00deb9`
  | $ git checkout -f b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | fatal: reference is not a tree: b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | ⚠️ Warning: Checkout failed! checking out commit "b77f90718a325c0ead0e041aed31f3ee7cf8cc56": exit status 128 (Attempt 2/3 Retrying in 2s)
  | $ git clean -ffxdq
  | # Fetch and checkout pull request head from GitHub
  | $ git fetch -v --prune -- origin refs/pull/73506/head
  | POST git-upload-pack (401 bytes)
  | From https://github.com/llvm/llvm-project
  | * branch                      refs/pull/73506/head -> FETCH_HEAD
  | # FETCH_HEAD is now `c9808bf052d7ae13c3a8fb7678bdd2573a00deb9`
  | $ git checkout -f b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | fatal: reference is not a tree: b77f90718a325c0ead0e041aed31f3ee7cf8cc56
  | ⚠️ Warning: Checkout failed! checking out commit "b77f90718a325c0ead0e041aed31f3ee7cf8cc56": exit status 128 (Attempt 3/3)
  | 🚨 Error: checking out commit "b77f90718a325c0ead0e041aed31f3ee7cf8cc56": exit status 128

</body>
</html>
```
@boomanaiden154 Do you have any idea about this error? Thank you

https://github.com/llvm/llvm-project/pull/73506