[llvm] [InstCombine] Fold Minimum over trailing or leading zeros (PR #173768)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 12 "build-stage2-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/18039

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 12 (build-stage2-unified-tree) failure: build (failure) (timed out)
...
1773.714 [61/10/6763] Linking CXX executable unittests/CodeGen/CGPluginTest/CGPluginTest
1773.750 [61/9/6764] Linking CXX executable bin/clang-nvlink-wrapper
1773.817 [61/8/6765] Linking CXX executable bin/llvm-lto2
1774.383 [61/7/6766] Linking CXX executable bin/opt
1774.602 [61/6/6767] Linking CXX executable unittests/MI/MITests
1774.962 [61/5/6768] Linking CXX executable bin/lld
1775.281 [61/4/6769] Linking CXX executable unittests/CodeGen/GlobalISel/GlobalISelTests
1776.235 [61/3/6770] Linking CXX executable unittests/MIR/MIRTests
1804.151 [61/2/6771] Building CXX object tools/bugpoint-passes/CMakeFiles/BugpointPasses.dir/TestPasses.cpp.o
1804.724 [60/2/6772] Linking CXX shared module lib/BugpointPasses.so
command timed out: 1200 seconds without output running [b'ninja'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=3005.355761

```

</details>

https://github.com/llvm/llvm-project/pull/173768