[PATCH] D102116: [LoopIdiom] 'logical right-shift until zero' ('count active bits') "on steroids" idiom recognition.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp:2605
+  BasicBlock *SuccessorBB = CurLoop->getExitBlock();
+  assert(LoopPreheaderBB && "There is only a single successor.");
+
----------------
This should check SuccessorBB?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102116/new/

https://reviews.llvm.org/D102116