[PATCH] D71799: [Attributor] AAUndefinedBehavior: Check for branches on undef value.

[Hideto Ueno via Phabricator via llvm-commits]

uenoku added inline comments.


================
Comment at: llvm/lib/Transforms/IPO/Attributor.cpp:2089
+    A.checkForAllInstructions(InspectBrInstForUB, *this, {Instruction::Br});
+    if (PrevSize != KnownNoUBInsts.size())
       return ChangeStatus::CHANGED;
----------------
Why don't we need to check for `KnownUBInsts`?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71799/new/

https://reviews.llvm.org/D71799