[llvm] [VectorCombine] Fold deinterleave/interleave pairs (PR #211022)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `profcheck` running on `profcheck-b1` while building `llvm` at step 5 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/223/builds/9706

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

```
Step 5 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/profcheck.sh --jobs=64' (failure)
...
UNSUPPORTED: LLVM :: ExecutionEngine/Interpreter/test-interp-vec-cast.ll (46267 of 46277)
UNSUPPORTED: LLVM :: MC/CSKY/801.s (46268 of 46277)
UNSUPPORTED: LLVM :: MC/Disassembler/Xtensa/rvector.txt (46269 of 46277)
UNSUPPORTED: LLVM :: MC/Xtensa/interrupt.s (46270 of 46277)
UNSUPPORTED: LLVM :: MC/Xtensa/s32c1i.s (46271 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/dbg-value.ll (46272 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/di-compile-unit-versioned-language.ll (46273 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/lifetimes.ll (46274 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/metadata.ll (46275 of 46277)
UNSUPPORTED: LLVM :: tools/gold/X86/thinlto_alias.ll (46276 of 46277)
FAIL: LLVM :: Transforms/VectorCombine/deinterleave-interleave-pairs.ll (46277 of 46277)
********************
Failed Tests (1):
  LLVM :: Transforms/VectorCombine/deinterleave-interleave-pairs.ll


Testing Time: 97.37s

Total Discovered Tests: 56334
  Excluded   :   257 (0.46%)
  Skipped    :    17 (0.03%)
  Unsupported:  1219 (2.16%)
  Passed     : 54840 (97.35%)
  Failed     :     1 (0.00%)
FAILED: test/CMakeFiles/check-llvm /b/profcheck-build/build/test/CMakeFiles/check-llvm 
cd /b/profcheck-build/build/test && /usr/bin/python3 /b/profcheck-build/build/./bin/llvm-lit --exclude-xfail /b/profcheck-build/build/test
ninja: build stopped: subcommand failed.
Step 7 (Ninja) failure: Ninja (failure)
...
UNSUPPORTED: LLVM :: ExecutionEngine/Interpreter/test-interp-vec-cast.ll (46267 of 46277)
UNSUPPORTED: LLVM :: MC/CSKY/801.s (46268 of 46277)
UNSUPPORTED: LLVM :: MC/Disassembler/Xtensa/rvector.txt (46269 of 46277)
UNSUPPORTED: LLVM :: MC/Xtensa/interrupt.s (46270 of 46277)
UNSUPPORTED: LLVM :: MC/Xtensa/s32c1i.s (46271 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/dbg-value.ll (46272 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/di-compile-unit-versioned-language.ll (46273 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/lifetimes.ll (46274 of 46277)
UNSUPPORTED: LLVM :: tools/dxil-dis/metadata.ll (46275 of 46277)
UNSUPPORTED: LLVM :: tools/gold/X86/thinlto_alias.ll (46276 of 46277)
FAIL: LLVM :: Transforms/VectorCombine/deinterleave-interleave-pairs.ll (46277 of 46277)
********************
Failed Tests (1):
  LLVM :: Transforms/VectorCombine/deinterleave-interleave-pairs.ll


Testing Time: 97.37s

Total Discovered Tests: 56334
  Excluded   :   257 (0.46%)
  Skipped    :    17 (0.03%)
  Unsupported:  1219 (2.16%)
  Passed     : 54840 (97.35%)
  Failed     :     1 (0.00%)
FAILED: test/CMakeFiles/check-llvm /b/profcheck-build/build/test/CMakeFiles/check-llvm 
cd /b/profcheck-build/build/test && /usr/bin/python3 /b/profcheck-build/build/./bin/llvm-lit --exclude-xfail /b/profcheck-build/build/test
ninja: build stopped: subcommand failed.
program finished with exit code 1
elapsedTime=134.584477

```

</details>

https://github.com/llvm/llvm-project/pull/211022