[llvm] [LoongArch] Lower vector_shuffle as lane permute and shuffle for lasx if possible. (PR #141196)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-latest-gcc` running on `linaro-flang-aarch64-latest-gcc` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/130/builds/13644

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
649.214 [247/127/7093] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/prescan.cpp.o
650.461 [247/126/7094] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/preprocessor.cpp.o
650.479 [247/125/7095] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/parse-tree.cpp.o
653.618 [247/124/7096] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/real.cpp.o
653.896 [247/123/7097] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/parsing.cpp.o
654.272 [247/122/7098] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/openmp-dsa.cpp.o
655.238 [247/121/7099] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/openmp-modifiers.cpp.o
656.484 [247/120/7100] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-arithmeticif.cpp.o
658.121 [247/119/7101] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/user-state.cpp.o
673.163 [247/118/7102] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/constant.cpp.o
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=1873.369692

```

</details>

https://github.com/llvm/llvm-project/pull/141196