[llvm] [LLVM] Specialize test suites for `TableGen` and `FileCheck` to use smaller set of dependencies (PR #155929)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 19 05:27:33 PDT 2025


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-ubuntu-fast` running on `sie-linux-worker` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/144/builds/35881

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: FileCheck/check-not-custom-prefix.txt' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
rm -f /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp &&  echo "LEADING: placeholder1" >>/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp && echo "MIDDLE-NOT: placeholder2" >>/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp && echo "TRAILING-NOT: placeholder3" >>/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp &&  env -u FILECHECK_OPTS not /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --strict-whitespace --check-prefixes LEADING,MIDDLE,TRAILING --dump-input=never --input-file  /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp 2>&1 |  /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --check-prefix TEST1 /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/llvm/test/FileCheck/check-not-custom-prefix.txt
# executed command: rm -f /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp
# note: command had no output on stdout or stderr
# executed command: echo 'LEADING: placeholder1'
# note: command had no output on stdout or stderr
# executed command: echo 'MIDDLE-NOT: placeholder2'
# note: command had no output on stdout or stderr
# executed command: echo 'TRAILING-NOT: placeholder3'
# note: command had no output on stdout or stderr
# executed command: env -u FILECHECK_OPTS not /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --strict-whitespace --check-prefixes LEADING,MIDDLE,TRAILING --dump-input=never --input-file /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/test/FileCheck/Output/check-not-custom-prefix.txt.tmp
# note: command had no output on stdout or stderr
# executed command: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --check-prefix TEST1 /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/llvm/test/FileCheck/check-not-custom-prefix.txt
# .---command stderr------------
# | /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/llvm/test/FileCheck/check-not-custom-prefix.txt:25:10: error: TEST1: expected string not found in input
# | ; TEST1: error: MIDDLE-NOT: excluded string found in input
# |          ^
# | <stdin>:1:1: note: scanning from here
# | error: no check strings found with prefixes 'LEADING:', 'MIDDLE:', 'TRAILING:'
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/llvm/test/FileCheck/check-not-custom-prefix.txt
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           1: error: no check strings found with prefixes 'LEADING:', 'MIDDLE:', 'TRAILING:' 
# | check:25     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/155929


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