linaro-toolchain August 2026

linaro-toolchain@lists.linaro.org

5 participants
12 discussions

Re: [Linaro-TCWG-CI] llvmorg-24-init-1860-g491f16472b0f: 2 regressions on aarch64

by Yasuyuki Ohno (Fujitsu)

Hi, The tests are incorrect. The causes are as follows. The following test cases started to fail after commit 491f16472b0f08ed72481b671c1470c6de953fa0. - Fujitsu/Fortran/0391/Fujitsu-Fortran-0391_0047.test - Fujitsu/Fortran/0588/Fujitsu-Fortran-0588_0052.test Investigation showed that both failures are caused by invalid test code which references disassociated pointers. The LLVM change itself is not the root cause. The change only exposed latent problems in the test programs because the result shape of array expressions is now determined differently when one operand has a compile-time known shape. 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(a)linaro.org <ci_notify(a)linaro.org> 送信日時: 2026年7月30日 21:43 宛先: contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com <contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com> CC: caroline.newcombe(a)hpe.com <caroline.newcombe(a)hpe.com>; maxim.kuvyrkov(a)linaro.org <maxim.kuvyrkov(a)linaro.org> 件名: [Linaro-TCWG-CI] llvmorg-24-init-1860-g491f16472b0f: 2 regressions 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-O0-debug, after: | commit llvmorg-24-init-1860-g491f16472b0f | Author: Caroline Newcombe <caroline.newcombe(a)hpe.com> | Date: Mon Jul 27 10:48:35 2026 -0400 | | [flang][hlfir] Prefer a constant-shape operand for elemental array results (#209791) | | Elemental operands are conformable, so their extents are identical and | the result shape may be taken from either operand. This patch prefers an | operand whose shape is a compile-time constant, producing a statically | ... 2 lines of the commit log omitted. Produces 2 regressions: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0391 ... | FAIL: test-suite :: Fujitsu/Fortran/0391/Fujitsu-Fortran-0391_0047.test | Running test-suite:Fujitsu/Fortran/0588 ... | FAIL: test-suite :: Fujitsu/Fortran/0588/Fujitsu-Fortran-0588_0052.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;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="-O0 -g" -DCMAKE_CXX_FLAGS_RELEASE="-O0 -g" -DCMAKE_Fortran_FLAGS_RELEASE="-O0 -g" -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu "$\WORKSPACE/test/test-suite" We track this bug report under https://linaro.atlassian.net/browse/LLVM-2256. (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(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 * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… 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-O0-debug-build… The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/ Current build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/… Full commit : https://github.com/llvm/llvm-project/commit/491f16472b0f08ed72481b671c1470c…

2 weeks, 2 days

Re: [Linaro-TCWG-CI] llvmorg-23-init-22857-g308393ede14c: 4 regressions 1 fix on aarch64

by Yasuyuki Ohno (Fujitsu)

Hi, These tests are incorrect. The failures are caused by test cases that require exact floating-point results for vectorized reductions. The observed differences are small rounding variations that depend on vector length and execution environment. 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(a)linaro.org <ci_notify(a)linaro.org> 送信日時: 2026年7月24日 17:04 宛先: contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com <contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com> CC: maxim.kuvyrkov(a)linaro.org <maxim.kuvyrkov(a)linaro.org>; benjamin.maxwell(a)arm.com <benjamin.maxwell(a)arm.com> 件名: [Linaro-TCWG-CI] llvmorg-23-init-22857-g308393ede14c: 4 regressions 1 fix 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_vls-lto-lld, after: | commit llvmorg-23-init-22857-g308393ede14c | Author: Benjamin Maxwell <benjamin.maxwell(a)arm.com> | Date: Mon Jul 13 13:30:37 2026 +0100 | | [LV] Allow scalable epilogue VFs matching the MainLoop VF (#208686) | | This effectively limited scalable epilogue VFs to the MainLoopVF/2, as | all VFs are powers-of-two. This restriction does not exist for fixed | vector VFs. This could result in worse VF selections for scalable | ... 3 lines of the commit log omitted. Produces 4 regressions 1 fix: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0366 ... | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0002.test | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0007.test | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0011.test | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0098.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/0682 ... | FAIL: test-suite :: Fujitsu/Fortran/0682/Fujitsu-Fortran-0682_0041.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;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=256 -flto -fuse-ld=lld -DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=256 -flto -fuse-ld=lld -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=256 -flto -fuse-ld=lld -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-2254. (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(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 * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vls-… 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_vls-… The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vls-… 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_vls-… Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vls-… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/… Full commit : https://github.com/llvm/llvm-project/commit/308393ede14cc8533d1be122b5df88b…

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linaro-toolchain August 2026