[llvm] [SPIRV] Audit `select` Result in SPIRVInstructionSelector (PR #115193)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-aarch64-ubuntu-clang-shared` running on `bolt-worker-aarch64` while building `llvm` at step 9 "test-build-bolt-check-large-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/126/builds/1073

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

```
Step 9 (test-build-bolt-check-large-bolt) failure: test (failure)
******************** TEST 'bolt-tests :: X86/split-func-icf.test' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 4: /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-nm /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata | grep \.cold |    /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-NM
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-NM
+ grep .cold
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-nm /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata
RUN: at line 10: /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null -v=1 |& /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-NOSKIP
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null -v=1
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-NOSKIP
RUN: at line 16: /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null    -skip-funcs=je_malloc_vsnprintf -v=1 |&  /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-SKIP-PARENT1
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-SKIP-PARENT1
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null -skip-funcs=je_malloc_vsnprintf -v=1
RUN: at line 22: /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null    -skip-funcs=je_malloc_mutex_postfork_child -v=1 |&  /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-SKIP-PARENT2
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/FileCheck /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/split-func-icf.test --check-prefix CHECK-SKIP-PARENT2
+ /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/bin/llvm-bolt /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/bolt-tests/test/X86/Inputs/merge-fdata -o /home/worker/buildbot-aarch64/bolt-aarch64-ubuntu-clang-shared/build/tools/bolttests/X86/Output/split-func-icf.test.tmp.null -skip-funcs=je_malloc_mutex_postfork_child -v=1

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/115193