[llvm] [CI] monolithic-linux improvements (PR #135499)

[Aiden Grossman via llvm-commits]

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@@ -49,17 +52,31 @@ trap at-exit EXIT
 
 projects="${1}"
 targets="${2}"
+runtimes="${3}"
 
 lit_args="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --use-unique-output-file-name --timeout=1200 --time-tests"
 
 echo "--- cmake"
 export PIP_BREAK_SYSTEM_PACKAGES=1
+
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
 pip install -q -r "${MONOREPO_ROOT}"/lldb/test/requirements.txt
 pip install -q -r "${MONOREPO_ROOT}"/.ci/requirements.txt
+
+# This is an lldb requirement which is not listed above.
+pip install -q swig
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boomanaiden154 wrote:

This should be added to one of the `requirements.txt` above.

https://github.com/llvm/llvm-project/pull/135499