[PATCH] D86813: [DebugInstrRef][2/3] Track PHI values through register coalescing

[Jeremy Morse via Phabricator via llvm-commits]

jmorse added a subscriber: n-omer.
jmorse added a comment.

In D86813#2797746 <https://reviews.llvm.org/D86813#2797746>, @aprantl wrote:

> Yes! Bugpoint can already reduce metadata — I'm wondering if this could maybe a mode of bugpoint in the future?

On this topic, @n-omer will be doing something similar with llvm-reduce (starting imminently), largely inspired by the fact that llvm-reduce can cut an IR file down to one or two blocks and instructions, but leaves 20,000 DI metadata nodes untouched.

(Maybe bugpoint and llvm-reduce are the same thing now? Either day, delta reduction is good).


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