[llvm] [InstCombine] Add combines for unsigned comparison of absolute value to constant (PR #176148)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 168204 tests passed
* 3000 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### lldb-unit
<details>
<summary>lldb-unit.DAP/_/DAPTests/DAPSessionManagerTest/WaitForAllSessionsToDisconnect</summary>

```
Script:
--
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/lldb/unittests/DAP/./DAPTests --gtest_filter=DAPSessionManagerTest.WaitForAllSessionsToDisconnect
--
/home/gha/actions-runner/_work/llvm-project/llvm-project/lldb/unittests/DAP/DAPSessionManagerTest.cpp:96
Expected: (duration) >= (std::chrono::milliseconds(100)), actual: 8-byte object <33-AD EE-05 00-00 00-00> vs 8-byte object <64-00 00-00 00-00 00-00>


```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/176148