[llvm] [LoongArch][NFC] Pre-commit tests for `xvshuf4i.d` (PR #164210)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve2-vla` running on `linaro-g4-02` while building `llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/198/builds/8931

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'lld :: ELF/note-first-page.s' FAILED ********************
Exit Code: 250

Command Output (stdout):
--
# RUN: at line 2
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/lld/test/ELF/note-first-page.s -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.o
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/lld/test/ELF/note-first-page.s -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.o
# RUN: at line 3
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/bin/ld.lld /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.o --build-id=md5 --shared -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.so
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/bin/ld.lld /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.o --build-id=md5 --shared -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/tools/lld/test/ELF/Output/note-first-page.s.tmp.so
# .---command stderr------------
# | terminate called after throwing an instance of 'std::system_error'
# |   what():  Resource temporarily unavailable
# `-----------------------------
# error: command failed with exit status: 250

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/164210