[PATCH] D116056: [LTO][WPD] Ignore unreachable function by analyzing IR.

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson added inline comments.


================
Comment at: llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp:1056
+
     if (ExportSummary && (mustBeUnreachableFunction(
                              lookUpFunctionValueInfo(Fn, ExportSummary)))) {
----------------
Since you are adding the IR check above, thinking that to optimize for compile time this lookup should be ignored if we have the def of Fn available (avoids an extra hash table lookup and analysis).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116056/new/

https://reviews.llvm.org/D116056