[PATCH] D145259: [ASAN] Initial support memory checks on scalable vector typed allocas

Kito Cheng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Mar 15 05:13:46 PDT 2023


kito-cheng added a comment.

LGTM, I think don't crash the compiler is higher priority.



================
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:3509
+    // upper bound on the access size.
+    return false;
   SizeOffsetType SizeOffset = ObjSizeVis.compute(Addr);
----------------
I guess we can at least assume Offset is safe when `Offset >= 0 && Offset < VF`, but anyway we have leave a TODO here.


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