[PATCH] D68131: Switch lowering: omit range check for bit tests when default is unreachable (PR43129)

[Nick Desaulniers via Phabricator via llvm-commits]

nickdesaulniers added inline comments.


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Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:2674
+    if (MBB != NextBlock(SwitchBB))
+      Root = DAG.getNode(ISD::BR, dl, MVT::Other, Root, DAG.getBasicBlock(MBB));
+  }
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This statement and conditional matches L2667.  I think we could flip the conditionals/check for this first? DRY


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68131/new/

https://reviews.llvm.org/D68131