[llvm] [ArgPromotion] Remove redundant logic from recursive argpromotion code (PR #98657)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-armv7-global-isel` running on `linaro-clang-armv7-global-isel` while building `llvm` at step 12 "setup lit".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/39/builds/516

Here is the relevant piece of the build log for the reference:
```
Step 12 (setup lit) failure: '/home/tcwg-buildbot/worker/clang-armv7-global-isel/test/sandbox/bin/python /home/tcwg-buildbot/worker/clang-armv7-global-isel/test/lnt/setup.py ...' (failure)
running develop
running egg_info
writing LNT.egg-info/PKG-INFO
writing dependency_links to LNT.egg-info/dependency_links.txt
writing entry points to LNT.egg-info/entry_points.txt
writing requirements to LNT.egg-info/requires.txt
writing top-level names to LNT.egg-info/top_level.txt
reading manifest file 'LNT.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
no previously-included directories found matching 'docs/_build'
no previously-included directories found matching 'tests/*/Output'
no previously-included directories found matching 'tests/*/*/Output'
writing manifest file 'LNT.egg-info/SOURCES.txt'
running build_ext
copying build/lib.linux-armv8l-3.8/lnt/testing/profile/cPerf.cpython-38-arm-linux-gnueabihf.so -> lnt/testing/profile
Creating /home/tcwg-buildbot/worker/clang-armv7-global-isel/test/sandbox/lib/python3.8/site-packages/LNT.egg-link (link to .)
Adding LNT 0.4.2.dev0 to easy-install.pth file
Installing lnt script to /home/tcwg-buildbot/worker/clang-armv7-global-isel/test/sandbox/bin

Installed /home/tcwg-buildbot/worker/clang-armv7-global-isel/test/lnt
Processing dependencies for LNT==0.4.2.dev0
Searching for typing
Reading https://pypi.org/simple/typing/
Download error on https://pypi.org/simple/typing/: [Errno -3] Temporary failure in name resolution -- Some packages may not be found!
Couldn't find index page for 'typing' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.org/simple/
Download error on https://pypi.org/simple/: [Errno -3] Temporary failure in name resolution -- Some packages may not be found!
No local packages or working download links found for typing
error: Could not find suitable distribution for Requirement.parse('typing')

```

https://github.com/llvm/llvm-project/pull/98657