[Lldb-commits] [lldb] [LLDB] Make internal shell the default for running LLDB lit tests. (PR #156729)

Thu Sep 4 02:26:40 PDT 2025

DavidSpickett wrote:

Same on Windows on Arm: https://lab.llvm.org/buildbot/#/builders/141/builds/11277

```
******************** TEST 'lldb-shell :: Process/UnsupportedLanguage.test' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 3
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc -fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process/Inputs/true.c -std=c99 -g -c -S -emit-llvm -o -    | sed -e 's/DW_LANG_C99/DW_LANG_Mips_Assembler/g' >C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe' --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process/Inputs/true.c' -std=c99 -g -c -S -emit-llvm -o -
# .---command stderr------------
# | clang: warning: argument unused during compilation: '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' [-Wunused-command-line-argument]
# | clang: warning: argument unused during compilation: '-c' [-Wunused-command-line-argument]
# `-----------------------------
# executed command: sed -e s/DW_LANG_C99/DW_LANG_Mips_Assembler/g
# note: command had no output on stdout or stderr
# RUN: at line 5
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc -fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll -g -o C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe' --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll' -g -o 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe'
# .---command stderr------------
# | clang: warning: argument unused during compilation: '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' [-Wunused-command-line-argument]
# `-----------------------------
# RUN: at line 6
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\lldb.exe --no-lldbinit -S C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet -o "b main" -o r -o q -b C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe 2>&1 | c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\filecheck.exe C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test --check-prefix ASM
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\lldb.exe' --no-lldbinit -S 'C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet' -o 'b main' -o r -o q -b 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe'
# note: command had no output on stdout or stderr
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\filecheck.exe' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test' --check-prefix ASM
# note: command had no output on stdout or stderr
# RUN: at line 10
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc -fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process/Inputs/true.c -std=c99 -g -c -S -emit-llvm -o -    | sed -e 's/DW_LANG_C99/DW_LANG_Cobol74/g' >C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe' --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process/Inputs/true.c' -std=c99 -g -c -S -emit-llvm -o -
# .---command stderr------------
# | clang: warning: argument unused during compilation: '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' [-Wunused-command-line-argument]
# | clang: warning: argument unused during compilation: '-c' [-Wunused-command-line-argument]
# `-----------------------------
# executed command: sed -e s/DW_LANG_C99/DW_LANG_Cobol74/g
# note: command had no output on stdout or stderr
# RUN: at line 12
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc -fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll -g -o C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe' --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-pc-windows-msvc '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.ll' -g -o 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe'
# .---command stderr------------
# | clang: warning: argument unused during compilation: '-fmodules-cache-path=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-shell' [-Wunused-command-line-argument]
# `-----------------------------
# RUN: at line 13
c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\lldb.exe --no-lldbinit -S C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet -o "b main" -o r -o q -b C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe 2>&1 | c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\filecheck.exe C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test --check-prefix COBOL
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\lldb.exe' --no-lldbinit -S 'C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet' -o 'b main' -o r -o q -b 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe'
# note: command had no output on stdout or stderr
# executed command: 'c:\users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\filecheck.exe' 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test' --check-prefix COBOL
# .---command stderr------------
# | C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test:15:8: error: COBOL: expected string not found in input
# | COBOL: This version of LLDB has no plugin for the language "cobol74"
# |        ^
# | <stdin>:1:1: note: scanning from here
# | (lldb) command source -s 0 'C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet'
# | ^
# | <stdin>:3:11: note: possible intended match here
# | (lldb) command source -C --silent-run true lit-lldb-init
# |           ^
# | 
# | Input file: <stdin>
# | Check file: C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\Shell\Process\UnsupportedLanguage.test
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: (lldb) command source -s 0 'C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb\test\Shell\lit-lldb-init-quiet' 
# | check:15'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# |             2: Executing commands in 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\lit-lldb-init-quiet'. 
# | check:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             3: (lldb) command source -C --silent-run true lit-lldb-init 
# | check:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:15'1               ?                                               possible intended match
# |             4: (lldb) target create "C:\\Users\\tcwg\\llvm-worker\\lldb-aarch64-windows\\build\\tools\\lldb\\test\\Shell\\Process\\Output\\UnsupportedLanguage.test.tmp.exe" 
# | check:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             5: Current executable set to 'C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\tools\lldb\test\Shell\Process\Output\UnsupportedLanguage.test.tmp.exe' (aarch64). 
# | check:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             6: (lldb) b main 
# | check:15'0     ~~~~~~~~~~~~~~
# |             7: Breakpoint 1: where = UnsupportedLanguage.test.tmp.exe`main, address = 0x0000000140010ffc 
# | check:15'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             8: (lldb) r 
# | check:15'0     ~~~~~~~~~
# |             .
# |             .
# |             .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

********************
```
If the sed is not doing anything, the first check could pass because it's expecting not to find a message. The second check requires that the sed actually modified the IR file.

https://github.com/llvm/llvm-project/pull/156729