[PATCH] D83906: [CodeGen] Emit a call instruction instead of an invoke if the called llvm function is marked nounwind
Sanjoy Das via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 9 15:14:15 PST 2023
sanjoy added a comment.
> I just assume there are more devices out there that we don't know about or understand.
I don't totally understand the broader discussion, but `malloc(4) == nullptr` is another gadget. This is optimized to `false` by LLVM even though at runtime it can be false or true depending on the state of the heap.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D83906/new/
https://reviews.llvm.org/D83906
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