[PATCH] D107448: {DebugInfo][LoopStrengthReduction] Don't cache dbg.value that are already undef

[Chris Jackson via Phabricator via llvm-commits]

chrisjackson added a comment.

In D107448#2925184 <https://reviews.llvm.org/D107448#2925184>, @StephenTozer wrote:

> Sensible; unfortunately, it probably needs a test - including an extra undef dbg.value in the test on the previous patch will probably do.

I will add an undef dbg.value as you suggest as a form of regression test.


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