[PATCH] D119760: [DSE] Fall back to CFG scan for unreachable terminators.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added inline comments.


================
Comment at: llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp:813
+
+    AnyUnreachableExit = !PDT.getRootNode()->getBlock() &&
+                         any_of(PDT.roots(), [](const BasicBlock *E) {
----------------
nikic wrote:
> The first check here looks redundant. Doesn't PDT always have virtual root?
It's not needed! Removed.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119760/new/

https://reviews.llvm.org/D119760