eugenis added inline comments.

================
Comment at: clang/test/Driver/memtag_lto.c:126
+  // XUNSAFE: [4]: full-set
+  // XSAFE: [4]: [0,4)
   int x;
----------------
vitalybuka wrote:
> eugenis wrote:
> > Alloca order can easily change in the future. Not sure how to make this 
> > better. Perhaps simply remove the numbers and test that the function has 
> > one alloca with [0, 4) and one with [0, 1)? This looks specific enough.
> -DAG?
Well, that, but also the actual numbers "[1]" and "[4]". Where are "2" and "3", 
and how likely is 4 to turn into 5 in the future?


================
Comment at: llvm/lib/Analysis/StackSafetyAnalysis.cpp:193
   GVToSSI Info;
+  std::unordered_set<const AllocaInst *> SafeAllocas;
 };
----------------
SmallPtrSet?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80771/new/

https://reviews.llvm.org/D80771



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