Hi, This test is incorrect.
In the program (Fujitsu/Fortran/0632/Fujitsu-Fortran-0632_0000.test), the execution result differs from the expected result when compiled with -ffast-math. Investigation showed that the failure is related to the REAL MOD optimization enabled by -ffast-math. Disabling the REAL MOD optimization with -fno-fast-real-mod avoids the issue:
Please ignore the mail. We'll update the test. We apologize for the false detection.
Best regards, Yasuyuki Ohno
Software Development Div., Advanced Technology Development Unit, Fujitsu Research, Fujitsu Limited, JAPAN. ________________________________ 差出人: ci_notify@linaro.org ci_notify@linaro.org 送信日時: 2026年9月29日 14:39 宛先: contact-ci-compiler-test-suite@cs.jp.fujitsu.com contact-ci-compiler-test-suite@cs.jp.fujitsu.com CC: maxim.kuvyrkov@linaro.org maxim.kuvyrkov@linaro.org; jonathon.gibney@hpe.com jonathon.gibney@hpe.com 件名: [Linaro-TCWG-CI] llvmorg-24-init-10518-g053331c2c9f4: 1 regression 5 fixes on aarch64
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_vla, after: | commit llvmorg-24-init-10518-g053331c2c9f4 | Author: jon-gibney jonathon.gibney@hpe.com | Date: Thu Sep 24 08:43:46 2026 -0500 | | Revert "[flang] Respect math flags during conversions (#214311)" (#225887) | | This reverts commit 688119653fd40fa46244e1c300e728677a4f001a. | | This caused a regression in Fujitsu test 0291/0291_0008.f with | ... 4 lines of the commit log omitted.
Produces 1 regression 5 fixes: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0632 ... | FAIL: test-suite :: Fujitsu/Fortran/0632/Fujitsu-Fortran-0632_0000.test | # "FAIL" means : the execution of the compiled binary failed / output of the binary differs from the expected one | | fixes.sum: | Running test-suite:Fujitsu/Fortran/0000 ... | FAIL: test-suite :: Fujitsu/Fortran/0000/Fujitsu-Fortran-0000_0009.test | ... and 5 more | # "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;clang-tools-extra" "-DLLVM_ENABLE_RUNTIMES=openmp" -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/bin2/clang" -DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin2/clang++" -DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin2/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=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu -DTEST_SUITE_FUJITSU_WITH_FAST_MATH=ON "$\WORKSPACE/test/test-suite"
We track this bug report under https://linaro.atlassian.net/browse/LLVM-2285. (Require Linaro login) 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.
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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 * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-b... The full lists of regressions and improvements as well as configure and make commands are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-b... The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-b...
Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/
Current build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-b... Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-b...
Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/s...
Full commit : https://github.com/llvm/llvm-project/commit/053331c2c9f47fb0795c19f33c128ab8...