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

Sun Jan 26 17:12:18 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-gcc-ubuntu` running on `sie-linux-worker3` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/174/builds/12068

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/opt /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll -S -mtriple=x86_64-linux-gnu -mattr=+avx512f -passes=msan 2>&1 | /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/FileCheck /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll
+ /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/opt /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll -S -mtriple=x86_64-linux-gnu -mattr=+avx512f -passes=msan
+ /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/FileCheck /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll
[1m/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll:16545:15: [0m[0;1;31merror: [0m[1mCHECK-NEXT: expected string not found in input
[0m; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
[0;1;32m              ^
[0m[1m<stdin>:14261:29: [0m[0;1;30mnote: [0m[1mscanning from here
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14261:29: [0m[0;1;30mnote: [0m[1mwith "TMP1" equal to "%1"
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14261:29: [0m[0;1;30mnote: [0m[1mwith "TMP2" equal to "%2"
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14279:2: [0m[0;1;30mnote: [0m[1mpossible intended match here
[0m %13 = xor <16 x i32> %12, zeroinitializer
[0;1;32m ^
[0m[1m/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll:16571:15: [0m[0;1;31merror: [0m[1mCHECK-NEXT: expected string not found in input
[0m; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
[0;1;32m              ^
[0m[1m<stdin>:14293:29: [0m[0;1;30mnote: [0m[1mscanning from here
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14293:29: [0m[0;1;30mnote: [0m[1mwith "TMP1" equal to "%1"
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14293:29: [0m[0;1;30mnote: [0m[1mwith "TMP2" equal to "%2"
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14311:2: [0m[0;1;30mnote: [0m[1mpossible intended match here
[0m %13 = xor <16 x i32> %12, zeroinitializer
[0;1;32m ^
[0m[1m/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/llvm/test/Instrumentation/MemorySanitizer/X86/avx512-intrinsics-upgrade.ll:16598:15: [0m[0;1;31merror: [0m[1mCHECK-NEXT: expected string not found in input
[0m; CHECK-NEXT: [[_MSPROP:%.*]] = or <16 x i32> [[TMP1]], [[TMP2]]
[0;1;32m              ^
[0m[1m<stdin>:14326:29: [0m[0;1;30mnote: [0m[1mscanning from here
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14326:29: [0m[0;1;30mnote: [0m[1mwith "TMP1" equal to "%1"
[0m call void @llvm.donothing()
[0;1;32m                            ^
[0m[1m<stdin>:14326:29: [0m[0;1;30mnote: [0m[1mwith "TMP2" equal to "%2"
[0m call void @llvm.donothing()
[0;1;32m                            ^
...

```

</details>

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