[PATCH] D97816: [clang] Note that -debug-pass only works with legacy PM when using new PM

[Yuanfang Chen via Phabricator via cfe-commits]

ychen added a comment.

Sorry, I forgot that codegen is still legacy PM, so `-debug-pass=Structure` does give the correct output. Then users need to specify both -debug-pass-manager and `-debug-pass=x` to get the pass information. Hmm, not a big deal but seems hassles. Maybe we should bridge  `-debug-pass=Structure` to `-debug-pass-manager` ? Or actually, this could be a feature where users can specify either pipeline they want the pass information for. WDYT?


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https://reviews.llvm.org/D97816