Hi,
This failure is a false detection caused by a floating-point precision error in
fast-math. Please ignore the mail. We'll update the test.
Sorry for the noise.
> Dear contributor,
>
> Our automatic CI has detected problems related to your patch(es). Please find
> some details below.
>
> In tcwg_flang_test/main-aarch64-Ofast-sve_vls-lto-lld, after:
> | commit llvmorg-21-init-13711-ga0d699a8e686
> | Author: Slava Zakharin <szakha...@nvidia.com>
> | Date: Wed May 28 17:18:04 2025 -0700
> |
> | Reland "[flang] Added noalias attribute to function arguments.
> (#140803)"
> |
> | This helps to disambiguate accesses in the caller and the callee
> | after LLVM inlining in some apps. I did not see any performance
> | changes, but this is one step towards enabling other optimizations
> | ... 14 lines of the commit log omitted.
>
> Produces 2 regressions:
> |
> | regressions.sum:
> | Running test-suite:Fujitsu/Fortran/0122 ...
> | FAIL: test-suite :: Fujitsu/Fortran/0122/Fujitsu-Fortran-0122_0045.test
> | FAIL: test-suite :: Fujitsu/Fortran/0122/Fujitsu-Fortran-0122_0048.test
> | # "FAIL" means : the execution of the compiled binary failed / output of
> the binary differs from the expected one
>
> Used configuration :
> * Toolchain : cmake -G Ninja ../llvm/llvm
> "-DLLVM_ENABLE_PROJECTS=clang;lld;flang;openmp;clang-tools-extra"
> -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=True
> -DCMAKE_INSTALL_PREFIX=../llvm-install
> "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld
> * Testsuite : export
> LD_LIBRARY_PATH=$\WORKSPACE/llvm-install/lib/aarch64-unknown-linux-gnu$\{LD_LIBRARY_PATH:+:$\LD_LIBRARY_PATH}
> cmake -GNinja -DCMAKE_C_COMPILER="$\WORKSPACE/llvm-install/bin/clang"
> -DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin/clang++"
> -DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin/flang-new"
> -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS=
> -DCMAKE_Fortran_FLAGS= -DCMAKE_C_FLAGS_RELEASE="-O3 -ffast-math
> -march=armv8.4-a+sve -msve-vector-bits=256 -mllvm
> -treat-scalable-fixed-error-as-warning=false -flto -fuse-ld=lld -DNDEBUG"
> -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve
> -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false
> -flto -fuse-ld=lld -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math
> -march=armv8.4-a+sve -msve-vector-bits=256 -mllvm
> -treat-scalable-fixed-error-as-warning=false -flto -fuse-ld=lld -DNDEBUG"
> -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu
> "$\WORKSPACE/test/test-suite"
>
> We track this bug report under https://linaro.atlassian.net/browse/LLVM-1691.
> Please let us know if you have a fix.
>
> If you have any questions regarding this report, please ask on
> linaro-toolchain@lists.linaro.org mailing list.
>
> -----------------8<--------------------------8<--------------------------8<--------------------------
>
> The information below contains the details of the failures, and the ways to
> reproduce a debug environment:
>
> You can find the failure logs in *.log.1.xz files in
> *
> https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-lld-build/2066/artifact/artifacts/00-sumfiles/
> The full lists of regressions and improvements as well as configure and make
> commands are in
> *
> https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-lld-build/2066/artifact/artifacts/notify/
> The list of [ignored] baseline and flaky failures are in
> *
> https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-lld-build/2066/artifact/artifacts/sumfiles/xfails.xfail
>
> Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/
>
> Current build :
> https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-lld-build/2066/artifact/artifacts
> Reference build :
> https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vls-lto-lld-build/2065/artifact/artifacts
>
> Instruction to reproduce the build :
> https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/llvm/sha1/a0d699a8e686cba99690cf28463d14526c5bfbc8/tcwg_flang_test/main-aarch64-Ofast-sve_vls-lto-lld/reproduction_instructions.txt
>
> Full commit :
> https://github.com/llvm/llvm-project/commit/a0d699a8e686cba99690cf28463d14526c5bfbc8
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