jplehr wrote: I finally got some IR and maybe some other info. With `-opt-bisect-limit` it appears that the issue is coming from GVN on the function `_ZN47LlvmLibcCharacterConverterUTF32To8Test_FourByte3RunEv`. After that the particular tests fails at runtime.
I attached the IR after the pass of LCSSA which runs before GVN. Let me know how helpful that is or what I can do to help better with this issue. [after-lcssa.txt](https://github.com/user-attachments/files/22102637/after-lcssa.txt) https://github.com/llvm/llvm-project/pull/155415 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits