[PATCH] D109816: [hwasan] also omit safe mem[cpy|mov|set].

Kirill Stoimenov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 21 09:51:40 PDT 2021


kstoimenov added a comment.

I remember from the my C days that one of gotchas with memmove/memcpy is overlapping regions. Not sure if it is relevant the context of this change, just wanted to mention it.



================
Comment at: llvm/include/llvm/Analysis/StackSafetyAnalysis.h:82
+
+  // returns true if the instruction can be proven to do only two types of
+  // memory accesses:
----------------



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