[llvm] [NFC] [IndVarSimplify] Add non-overflowing usub test (PR #159683)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Sun Sep 21 13:36:31 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vla-2stage` running on `linaro-g3-01` while building `llvm` at step 12 "ninja check 2".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/41/builds/9067
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 12 (ninja check 2) failure: stage 2 checked (failure)
******************** TEST 'lit :: shtest-readfile-external.py' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 4
env LIT_USE_INTERNAL_SHELL=0 not env -u FILECHECK_OPTS "/usr/bin/python3.10" /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/utils/lit/lit.py -j1 --order=lexical -a -v Inputs/shtest-readfile | FileCheck -match-full-lines -DTEMP_PATH=/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/shtest-readfile-external.py
# executed command: env LIT_USE_INTERNAL_SHELL=0 not env -u FILECHECK_OPTS /usr/bin/python3.10 /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/utils/lit/lit.py -j1 --order=lexical -a -v Inputs/shtest-readfile
# executed command: FileCheck -match-full-lines -DTEMP_PATH=/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/shtest-readfile-external.py
# .---command stderr------------
# | /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/shtest-readfile-external.py:22:10: error: CHECK: expected string not found in input
# | # CHECK: + echo hello bye
# | ^
# | <stdin>:88:590: note: scanning from here
# | echo $(cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1) $(cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2) && test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1 && test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2 # RUN: at line 5
# | ^
# | <stdin>:91:1: note: possible intended match here
# | + echo hello
# | ^
# |
# | Input file: <stdin>
# | Check file: /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/shtest-readfile-external.py
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 83: --
# | 84: echo -n "hello" > /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1 # RUN: at line 3
# | 85: + echo -n hello
# | 86: echo -n "bye" > /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2 # RUN: at line 4
# | 87: + echo -n bye
# | 88: echo $(cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1) $(cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2) && test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1 && test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2 # RUN: at line 5
# | check:22'0 X error: no match found
# | 89: ++ cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1
# | check:22'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 90: ++ cat /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2
# | check:22'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 91: + echo hello
# | check:22'0 ~~~~~~~~~~~~~
# | check:22'1 ? possible intended match
# | 92: + test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.1
# | check:22'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 93: + test -e /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/utils/lit/tests/Inputs/shtest-readfile/Output/two-same-line.txt.tmp.2
# | check:22'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 94: not echo return # RUN: at line 8
# | check:22'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...
```
</details>
https://github.com/llvm/llvm-project/pull/159683
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