Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find some details below.

In tcwg_flang_test/main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays, after:
  | commit llvmorg-24-init-11909-ga0cbcd03575c
  | Author: Gaëtan Bossu <gaetan.bossu@arm.com>
  | Date:   Fri Oct 2 11:52:31 2026 +0100
  | 
  |     Reland [AArch64][CostModel] Consider some nxv1 operations as legal (#214471) (#228371)
  |     
  |     This is allowing some operations on vscale x 1 types, namely:
  |      - load/store
  |      - masked load/store
  | ... 17 lines of the commit log omitted.

Produces 68 regressions:
  | 
  | regressions.sum:
  | Running test-suite:Fujitsu/C/0096 ...
  | NOEXE: test-suite :: Fujitsu/C/0096/Fujitsu-C-0096_0135.test
  | Running test-suite:Fujitsu/C/0104 ...
  | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0006.test
  | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0007.test
  | ... and 68 more
  | # "NOEXE" means : the test program cannot be compiled

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 -mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG" 	-DCMAKE_CXX_FLAGS_RELEASE="-O3 -mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG" 	-DCMAKE_Fortran_FLAGS_RELEASE="-O3 -mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG -fstack-arrays"         -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu 	"$\WORKSPACE/test/test-suite"

We track this bug report under https://linaro.atlassian.net/browse/LLVM-2290. (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.

-----------------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-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10787/archive/artifacts/00-sumfiles/
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-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10787/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10787/archive/artifacts/sumfiles/xfails.xfail

Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/

Current build   : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10787/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays-build/builds/10786/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/sha1/a0cbcd03575c21d4c9b3935ea30c4b32e4cc0ec7/tcwg_flang_test/main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays/reproduction_instructions.txt

Full commit : https://github.com/llvm/llvm-project/commit/a0cbcd03575c21d4c9b3935ea30c4b32e4cc0ec7