[cfe-dev] Easy way to generate lit tests for clang?

[Leonard Chan via cfe-dev]

Hi,

I'm attempting to refactor a large test file and was hoping to see if there
was an easier way to automatically update this test to check exact IR
output. Perhaps something along the lines of
`utils/update_llc_test_checks.py` in llvm, where the checks are
automatically generated for each RUN to match IR exactly. Does such a tool
exist?

Thanks,
Leonard
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