[flang-commits] [flang] [llvm] [flang][OpenMP] Emit warning that REVERSE_OFFLOAD is not supported (PR #204647)

Fri Jun 19 10:28:14 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-runtime-2` running on `rocm-worker-hw-02` while building `flang,llvm` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/10/builds/30398

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

```
Step 3 (annotate) failure: 'python ../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py ...' (failure) (timed out)
...
[ 99%/0.806s :: 2->3->810 (of 814)] Linking CXX executable unittests/ADT/ADTTests
[ 99%/0.930s :: 2->2->811 (of 814)] Linking CXX executable unittests/Support/SupportTests
[ 99%/4.320s :: 2->1->812 (of 814)] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/DXContainerYAMLTest.cpp.o
[ 99%/4.415s :: 1->1->813 (of 814)] Linking CXX executable unittests/ObjectYAML/ObjectYAMLTests
[ 99%/4.415s :: 0->1->813 (of 814)] Running the LLVM regression tests
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/ld.lld
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/lld-link
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/ld64.lld
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/wasm-ld
-- Testing: 68042 tests, 64 workers --
command timed out: 1200 seconds without output running [b'python', b'../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py', b'--workdir=.'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1525.303191
Step 10 (run check-llvm) failure: run check-llvm (failure)
...
[ 95%/0.524s :: 2->38->775 (of 814)] Linking CXX executable unittests/TableGen/TableGenTests
[ 95%/0.524s :: 2->37->776 (of 814)] Linking CXX executable unittests/MC/AMDGPU/AMDGPUMCTests
[ 95%/0.525s :: 2->36->777 (of 814)] Linking CXX executable unittests/Testing/Annotations/TestingAnnotationTests
[ 95%/0.528s :: 2->35->778 (of 814)] Linking CXX executable unittests/Object/ObjectTests
[ 95%/0.533s :: 2->34->779 (of 814)] Linking CXX executable unittests/Option/OptionTests
[ 95%/0.534s :: 2->33->780 (of 814)] Linking CXX executable unittests/TextAPI/TextAPITests
[ 95%/0.540s :: 2->32->781 (of 814)] Linking CXX executable unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[ 96%/0.540s :: 2->31->782 (of 814)] Linking CXX executable unittests/ProfileData/ProfileDataTests
[ 96%/0.543s :: 2->30->783 (of 814)] Linking CXX executable unittests/MI/MITests
[ 96%/0.556s :: 2->29->784 (of 814)] Linking CXX executable unittests/TargetParser/TargetParserTests
[ 96%/0.557s :: 2->28->785 (of 814)] Linking CXX executable unittests/CodeGen/GlobalISel/GlobalISelTests
[ 96%/0.566s :: 2->27->786 (of 814)] Linking CXX executable unittests/tools/llvm-profgen/LLVMProfgenTests
[ 96%/0.570s :: 2->26->787 (of 814)] Linking CXX executable unittests/Transforms/IPO/IPOTests
[ 96%/0.572s :: 2->25->788 (of 814)] Linking CXX executable unittests/tools/llvm-profdata/LLVMProfdataTests
[ 96%/0.575s :: 2->24->789 (of 814)] Linking CXX executable unittests/Target/SPIRV/SPIRVTests
[ 97%/0.576s :: 2->23->790 (of 814)] Linking CXX executable unittests/SandboxIR/SandboxIRTests
[ 97%/0.581s :: 2->22->791 (of 814)] Linking CXX executable unittests/Transforms/Coroutines/CoroTests
[ 97%/0.590s :: 2->21->792 (of 814)] Linking CXX executable unittests/XRay/XRayTests
[ 97%/0.593s :: 2->20->793 (of 814)] Linking CXX executable unittests/Target/TargetMachineCTests
[ 97%/0.594s :: 2->19->794 (of 814)] Linking CXX executable unittests/tools/llvm-cfi-verify/CFIVerifyTests
[ 97%/0.596s :: 2->18->795 (of 814)] Linking CXX executable unittests/MIR/MIRTests
[ 97%/0.614s :: 2->17->796 (of 814)] Linking CXX executable unittests/Transforms/Vectorize/VectorizeTests
[ 97%/0.614s :: 2->16->797 (of 814)] Linking CXX executable unittests/Target/X86/X86Tests
[ 98%/0.622s :: 2->15->798 (of 814)] Linking CXX executable unittests/tools/llvm-mca/LLVMMCATests
[ 98%/0.623s :: 2->14->799 (of 814)] Linking CXX executable unittests/Transforms/Scalar/ScalarTests
[ 98%/0.623s :: 2->13->800 (of 814)] Linking CXX executable unittests/Analysis/AnalysisTests
[ 98%/0.629s :: 2->12->801 (of 814)] Linking CXX executable unittests/ExecutionEngine/Orc/OrcJITTests
[ 98%/0.634s :: 2->11->802 (of 814)] Linking CXX executable unittests/Transforms/Instrumentation/InstrumentationTests
[ 98%/0.644s :: 2->10->803 (of 814)] Linking CXX executable unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[ 98%/0.672s :: 2->9->804 (of 814)] Linking CXX executable unittests/CodeGen/CodeGenTests
[ 98%/0.686s :: 2->8->805 (of 814)] Linking CXX executable unittests/Frontend/LLVMFrontendTests
[ 99%/0.687s :: 2->7->806 (of 814)] Linking CXX executable unittests/Target/AMDGPU/AMDGPUTests
[ 99%/0.704s :: 2->6->807 (of 814)] Linking CXX executable unittests/tools/llvm-exegesis/LLVMExegesisTests
[ 99%/0.705s :: 2->5->808 (of 814)] Linking CXX executable unittests/Transforms/Utils/UtilsTests
[ 99%/0.794s :: 2->4->809 (of 814)] Linking CXX executable unittests/IR/IRTests
[ 99%/0.806s :: 2->3->810 (of 814)] Linking CXX executable unittests/ADT/ADTTests
[ 99%/0.930s :: 2->2->811 (of 814)] Linking CXX executable unittests/Support/SupportTests
[ 99%/4.320s :: 2->1->812 (of 814)] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/DXContainerYAMLTest.cpp.o
[ 99%/4.415s :: 1->1->813 (of 814)] Linking CXX executable unittests/ObjectYAML/ObjectYAMLTests
[ 99%/4.415s :: 0->1->813 (of 814)] Running the LLVM regression tests
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/ld.lld
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/lld-link
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/ld64.lld
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/bin/wasm-ld
-- Testing: 68042 tests, 64 workers --

command timed out: 1200 seconds without output running [b'python', b'../llvm.src/offload/ci/openmp-offload-amdgpu-libc-runtime.py', b'--workdir=.'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1525.303191

```

</details>

https://github.com/llvm/llvm-project/pull/204647