[PATCH] D35411: [SimplifyCFG] Defer folding unconditional branches to LateSimplifyCFG if it can destroy canonical loop structure.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Hmm...

I took a quick look at the pass pipeline (PassManagerBuilder::populateModulePassManager), and it turns out LateSimplifyCFG is false for the last simplifycfg run.  That might be the source of your problem?


https://reviews.llvm.org/D35411