[PATCH] D84371: [DFSan] Add efficient fast16labels instrumentation mode.

[Kostya Serebryany via Phabricator via llvm-commits]

kcc added a comment.

In what cases do we still call __dfsan_union?



================
Comment at: llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp:183
+static cl::opt<bool> ClFast16Labels(
+    "fast-16-labels",
+    cl::desc("Use more efficient instrumentation, limiting the number of "
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please add the documentation. 
Probably into this change, so that we review it together.  


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D84371/new/

https://reviews.llvm.org/D84371