[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 `flang-aarch64-libcxx` running on `linaro-flang-aarch64-libcxx` while building `flang` at step 6 "test-build-unified-tree-check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/89/builds/15256

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

```
Step 6 (test-build-unified-tree-check-flang) failure: test (failure)
******************** TEST 'Flang :: HLFIR/unroll-loops.fir' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 1: /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir | /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
warning: overriding the module target triple with aarch64-unknown-linux-gnu [-Woverride-module]
RUN: at line 2: /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O2 -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir | /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O2 -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir
warning: overriding the module target triple with aarch64-unknown-linux-gnu [-Woverride-module]
RUN: at line 3: /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -fno-unroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir | /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,NO-UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,NO-UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -fno-unroll-loops -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir
warning: overriding the module target triple with aarch64-unknown-linux-gnu [-Woverride-module]
RUN: at line 4: /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir | /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,NO-UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -mllvm -force-vector-width=2 -triple aarch64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,NO-UNROLL
warning: overriding the module target triple with aarch64-unknown-linux-gnu [-Woverride-module]
RUN: at line 5: /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple x86_64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir | /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL
+ /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/flang -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -triple x86_64-unknown-linux-gnu -o- /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir
error: unable to create target: 'No available targets are compatible with triple "x86_64-unknown-linux-gnu"'
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/bin/FileCheck /home/tcwg-buildbot/worker/flang-aarch64-libcxx/llvm-project/flang/test/HLFIR/unroll-loops.fir --check-prefixes=CHECK,UNROLL

--

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


```

</details>

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