[PATCH] D132450: StructurizeCFG: Set Undef for non-predecessors in setPhiValues()

[Sameer Sahasrabuddhe via Phabricator via llvm-commits]

sameerds added inline comments.


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Comment at: llvm/lib/Transforms/Scalar/StructurizeCFG.cpp:688
+              // If this is not flow node and not the incoming block before
+              // structurization, then this block does not contribute any value
+              // to the phi.
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On second thoughts, "this block" contributes an undefined value. That's the whole point of this change, right?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132450/new/

https://reviews.llvm.org/D132450