linaro-toolchain July 2025

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Re: [Linaro-TCWG-CI] llvmorg-21-init-16543-g7d2293d1d953: 2 regressions on aarch64

by Takahiro Kawashima (Fujitsu)

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_vla, after: > | commit llvmorg-21-init-16543-g7d2293d1d953 > | Author: Ross Kirsling <ross.kirsling(a)sony.com> > | Date: Tue Jun 24 09:51:49 2025 -0700 > | > | [InstCombine] KnownBits::isNonNegative should recognize `b - a` after `a <= b` (#145105) > | > | Alive2: https://alive2.llvm.org/ce/z/an9npN > | Fixes #142283. > > Produces 2 regressions: > | > | regressions.sum: > | Running test-suite:Fujitsu/Fortran/0117 ... > | FAIL: test-suite :: Fujitsu/Fortran/0117/Fujitsu-Fortran-0117_0070.test > | Running test-suite:Fujitsu/Fortran/0680 ... > | FAIL: test-suite :: Fujitsu/Fortran/0680/Fujitsu-Fortran-0680_0065.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=scalable -mllvm -scalable-vectorization=preferred -mllvm -treat-scalable-fixed-error-as-warning=false -DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -treat-scalable-fixed-error-as-warning=false -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -treat-scalable-fixed-error-as-warning=false -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-1715. Please let us know if you have a fix. > > If you have any questions regarding this report, please ask on linaro-toolchain(a)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_vla-build… > 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_vla-build… > The list of [ignored] baseline and flaky failures are in > * https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vla-build… > > Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/ > > Current build : https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vla-build… > Reference build : https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-Ofast-sve_vla-build… > > Instruction to reproduce the build : https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/llvm/sha… > > Full commit : https://github.com/llvm/llvm-project/commit/7d2293d1d95379bbdbb6446b088219a…

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linaro-toolchain July 2025