[PATCH] D70660: Add initial tests for update_{llc,cc}_test_checks.py

[Alexander Richardson via Phabricator via llvm-commits]

arichardson created this revision.
arichardson added reviewers: xbolva00, MaskRay, jdoerfert.
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This commit adds two basic tests for these update script to validate that
they still work as expected. In the future we could extend these tests
whenever new features are added to avoid introducing regressions.

I am not sure this is the best approach for testing, but it did allow me to find a python2.7 compat issue that I introduced in D70432 <https://reviews.llvm.org/D70432>.
If this approach seems fine, I'll also add a basic test for the remaining update scripts.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70660

Files:
  llvm/test/tools/UpdateTestChecks/lit.local.cfg
  llvm/test/tools/UpdateTestChecks/update_cc_tests/Inputs/mangled_names.c
  llvm/test/tools/UpdateTestChecks/update_cc_tests/lit.local.cfg
  llvm/test/tools/UpdateTestChecks/update_cc_tests/mangled_names.test
  llvm/test/tools/UpdateTestChecks/update_llc_tests/Inputs/basic.ll
  llvm/test/tools/UpdateTestChecks/update_llc_tests/basic.test
  llvm/test/tools/UpdateTestChecks/update_llc_tests/lit.local.cfg

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