[llvm] [IR] Add `samesign` flag to icmp instruction (PR #111419)
Yingwei Zheng via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 16 17:30:08 PDT 2024
dtcxzyw wrote:
> BTW, I believe we will encounter some miscompilation bugs as we don't drop poison-generating flags for icmp properly in some places. Please give me more time to do some testing before leveraging this flag to do more optimizations.
I cannot find more miscompilation bugs with mutation-based fuzzers. Feel free to go ahead :)
https://github.com/llvm/llvm-project/pull/111419
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