[llvm] [NFC] Refactor the SelectionDAG::getMemcmp etc with a existing helper function getRuntimeCallSDValueHelper (PR #184200)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-fuzzer` running on `sanitizer-buildbot11` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/159/builds/42298

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
-- sanitizer_common tests on "Linux" will run against "asan;lsan;hwasan;msan;tsan;ubsan"
-- Configuring done (0.8s)
-- Generating done (0.4s)
-- Build files have been written to: /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/runtimes/runtimes-bins
[299/302] Performing build step for 'runtimes'
[0/98] Performing build step for 'libcxx_fuzzer_aarch64'
ninja: no work to do.
[1/98] Installing libcxx_fuzzer_aarch64...
[0/1] Install the project...
-- Install configuration: "Release"
[63/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan.aarch64.dir/asan_report.cpp.o
[65/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_rtl.cpp.o
[66/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_poisoning.cpp.o
[67/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_globals.cpp.o
[68/98] Building CXX object compiler-rt/lib/rtsan/CMakeFiles/RTRtsan.aarch64.dir/rtsan_interceptors_posix.cpp.o
[69/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_report.cpp.o
[70/98] Linking CXX static library compiler-rt/lib/rtsan/tests/libRTRtsanTest.aarch64.a
[71/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_fake_stack.cpp.o
[72/98] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.rtsan.a
[73/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan.aarch64.dir/asan_fake_stack.cpp.o
[74/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan.aarch64.dir/asan_allocator.cpp.o
[75/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_allocator.cpp.o
[76/98] Building CXX object compiler-rt/lib/hwasan/CMakeFiles/RTHwasan.aarch64.dir/hwasan_interceptors.cpp.o
[77/98] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.hwasan.a
[78/98] Building CXX object compiler-rt/lib/hwasan/CMakeFiles/RTHwasan_dynamic.aarch64.dir/hwasan_interceptors.cpp.o
[79/98] Generating exported symbols for clang_rt.hwasan-aarch64
[80/98] Generating version list for clang_rt.hwasan-dynamic-aarch64
[81/98] Building CXX object compiler-rt/lib/hwasan/CMakeFiles/RTHwasan_dynamic_version_script_dummy.aarch64.dir/dummy.cpp.o
[82/98] Linking CXX shared library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.hwasan.so
[83/98] Building CXX object compiler-rt/lib/tsan/rtl/CMakeFiles/clang_rt.tsan-dynamic-aarch64.dir/tsan_interceptors_posix.cpp.o
[84/98] Building CXX object compiler-rt/lib/tsan/rtl/CMakeFiles/clang_rt.tsan-aarch64.dir/tsan_interceptors_posix.cpp.o
[85/98] Linking CXX shared library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.tsan.so
[86/98] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.tsan.a
[87/98] Generating exported symbols for clang_rt.tsan-aarch64
[88/98] Building CXX object compiler-rt/lib/msan/CMakeFiles/clang_rt.msan-aarch64.dir/msan_interceptors.cpp.o
[89/98] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.msan.a
[90/98] Generating exported symbols for clang_rt.msan-aarch64
[91/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan.aarch64.dir/asan_interceptors.cpp.o
[92/98] Linking CXX static library compiler-rt/lib/asan/tests/libRTAsanTest.aarch64.a
[93/98] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.asan.a
[94/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic.aarch64.dir/asan_interceptors.cpp.o
[95/98] Generating exported symbols for clang_rt.asan-aarch64
[96/98] Generating version list for clang_rt.asan-dynamic-aarch64
[97/98] Building CXX object compiler-rt/lib/asan/CMakeFiles/RTAsan_dynamic_version_script_dummy.aarch64.dir/dummy.cpp.o
[98/98] Linking CXX shared library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/23/lib/aarch64-unknown-linux-gnu/libclang_rt.asan.so
[300/302] No install step for 'runtimes'
[302/302] Completed 'runtimes'
@@@BUILD_STEP get fuzzer-test-suite @@@
error: RPC failed; HTTP 500 curl 22 The requested URL returned error: 500
fatal: expected flush after ref listing
Step 8 (get fuzzer-test-suite) failure: get fuzzer-test-suite (failure)
@@@BUILD_STEP get fuzzer-test-suite @@@
error: RPC failed; HTTP 500 curl 22 The requested URL returned error: 500
fatal: expected flush after ref listing
program finished with exit code 1
elapsedTime=97.534327

```

</details>

https://github.com/llvm/llvm-project/pull/184200