[llvm] Reapply "RuntimeLibcalls: Fix adding __safestack_pointer_address by default" (#182949) (PR #183005)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-nvidia-ubuntu` running on `as-builder-7` while building `llvm` at step 6 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/33397

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

```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM :: Transforms/SafeStack/SPARC/safestack.ll' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
/home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/opt -S -mtriple=sparc-- -passes='require<libcall-lowering-info>,safe-stack' /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/Transforms/SafeStack/SPARC/safestack.ll | /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/Transforms/SafeStack/SPARC/safestack.ll
# executed command: /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/opt -S -mtriple=sparc-- '-passes=require<libcall-lowering-info>,safe-stack' /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/Transforms/SafeStack/SPARC/safestack.ll
# .---command stderr------------
# | /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/opt: WARNING: failed to create target machine for 'sparc-unknown-unknown': unable to get target for 'sparc-unknown-unknown', see --version and --triple.
# | /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/opt: pass 'safe-stack' requires TargetMachine
# `-----------------------------
# error: command failed with exit status: 1
# executed command: /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/Transforms/SafeStack/SPARC/safestack.ll
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/Transforms/SafeStack/SPARC/safestack.ll
# `-----------------------------
# error: command failed with exit status: 2

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/183005