[PATCH] D73832: Ignore/Drop droppable uses for code-sinking in InstCombine

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

This patch caused an assertion failure on `UserParent = PN->getIncomingBlock(*I->use_begin());` .

This can be triggered when a bootstrapped clang builds llvm-symbolizer with ThinLTO. I am trying to figure out a minimal reproduce.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73832/new/

https://reviews.llvm.org/D73832