[llvm] [msan] Fix-forward avx512-intrinsics-upgrade.ll (PR #124495)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-win` running on `sie-win-worker` while building `llvm` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/46/builds/11105

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

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
z:\b\llvm-clang-x86_64-sie-win\build\bin\opt.exe Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll -S -mtriple=x86_64-linux-gnu -mattr=+avx512f -passes=msan 2>&1 | z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\opt.exe' 'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll' -S -mtriple=x86_64-linux-gnu -mattr=+avx512f -passes=msan
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe' 'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll'
# .---command stderr------------
# | Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll:16545:15: error: CHECK-NEXT: expected string not found in input
# | ; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
# |               ^
# | <stdin>:14261:29: note: scanning from here
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14261:29: note: with "TMP1" equal to "%1"
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14261:29: note: with "TMP2" equal to "%2"
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14279:2: note: possible intended match here
# |  %13 = xor <16 x i32> %12, zeroinitializer
# |  ^
# | Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll:16571:15: error: CHECK-NEXT: expected string not found in input
# | ; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
# |               ^
# | <stdin>:14293:29: note: scanning from here
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14293:29: note: with "TMP1" equal to "%1"
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14293:29: note: with "TMP2" equal to "%2"
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14311:2: note: possible intended match here
# |  %13 = xor <16 x i32> %12, zeroinitializer
# |  ^
# | Z:\b\llvm-clang-x86_64-sie-win\llvm-project\llvm\test\Instrumentation\MemorySanitizer\X86\avx512-intrinsics-upgrade.ll:16598:15: error: CHECK-NEXT: expected string not found in input
# | ; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
# |               ^
# | <stdin>:14326:29: note: scanning from here
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14326:29: note: with "TMP1" equal to "%1"
# |  call void @llvm.donothing()
# |                             ^
# | <stdin>:14326:29: note: with "TMP2" equal to "%2"
...

```

</details>

https://github.com/llvm/llvm-project/pull/124495