[flang-commits] [flang] [flang][NFC] Restrict -funroll-loops tests to known working targets (PR #123939)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-sles-build-only` running on `rocm-worker-hw-04-sles` while building `flang` at step 7 "Add check check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/140/builds/15622

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

```
Step 7 (Add check check-flang) failure: test (failure)
******************** TEST 'Flang :: Integration/unroll-loops.f90' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 1: /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/flang/test/Integration/unroll-loops.f90 | /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/bin/FileCheck /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/flang/test/Integration/unroll-loops.f90 --check-prefixes=CHECK,UNROLL
+ /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/flang/test/Integration/unroll-loops.f90
+ /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/bin/FileCheck /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/flang/test/Integration/unroll-loops.f90 --check-prefixes=CHECK,UNROLL
error: unable to create target: 'No available targets are compatible with triple "aarch64-unknown-linux-gnu"'
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/bin/FileCheck /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/flang/test/Integration/unroll-loops.f90 --check-prefixes=CHECK,UNROLL

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/123939