[llvm] [SLP] Make getSameOpcode support interchangeable instructions. (PR #132887)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/14891

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

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: commands/target/dump/TestTargetDumpTypeSystem.py (215 of 2109)
PASS: lldb-api :: commands/target/create-deps/TestTargetCreateDeps.py (216 of 2109)
PASS: lldb-api :: commands/target/modules/lookup/TestImageLookupPCExpression.py (217 of 2109)
PASS: lldb-api :: commands/target/select/TestTargetSelect.py (218 of 2109)
PASS: lldb-api :: commands/settings/TestSettings.py (219 of 2109)
PASS: lldb-api :: commands/target/modules/search-paths/insert/TestTargetModulesSearchpathsInsert.py (220 of 2109)
PASS: lldb-api :: commands/target/stop-hook/delete/TestTargetStopHookDelete.py (221 of 2109)
PASS: lldb-api :: commands/target/stop-hook/disable/TestTargetStopHookDisable.py (222 of 2109)
PASS: lldb-api :: commands/target/stop-hook/enable/TestTargetStopHookEnable.py (223 of 2109)
PASS: lldb-api :: commands/target/stop-hooks/TestStopHooks.py (224 of 2109)
FAIL: lldb-api :: commands/thread/select/TestThreadSelect.py (225 of 2109)
******************** TEST 'lldb-api :: commands/thread/select/TestThreadSelect.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --arch aarch64 --build-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/commands/thread/select -p TestThreadSelect.py
--
Exit Code: -11

Command Output (stdout):
--
lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision 6e66cfeeaec6f09a4454400e45d690457ecdd3de)
  clang revision 6e66cfeeaec6f09a4454400e45d690457ecdd3de
  llvm revision 6e66cfeeaec6f09a4454400e45d690457ecdd3de
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_invalid_arg_dsym (TestThreadSelect.TestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_invalid_arg_dwarf (TestThreadSelect.TestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_invalid_arg_dwo (TestThreadSelect.TestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_thread_select_tid_dsym (TestThreadSelect.TestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_thread_select_tid_dwarf (TestThreadSelect.TestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_thread_select_tid_dwo (TestThreadSelect.TestCase)
----------------------------------------------------------------------
Ran 6 tests in 0.974s

OK (skipped=2)

--

********************
PASS: lldb-api :: commands/thread/backtrace/TestThreadBacktraceRepeat.py (226 of 2109)
PASS: lldb-api :: commands/target/basic/TestTargetCommand.py (227 of 2109)
UNSUPPORTED: lldb-api :: commands/trace/TestTraceDumpFunctionCalls.py (228 of 2109)
UNSUPPORTED: lldb-api :: commands/trace/TestTraceDumpInfo.py (229 of 2109)
UNSUPPORTED: lldb-api :: commands/trace/TestTraceEvents.py (230 of 2109)
UNSUPPORTED: lldb-api :: commands/trace/TestTraceDumpInstructions.py (231 of 2109)
UNSUPPORTED: lldb-api :: commands/trace/TestTraceExport.py (232 of 2109)

```

</details>

https://github.com/llvm/llvm-project/pull/132887