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...normal function call and from there moved back to the tail call stack slot to prevent overwriting of values. After this patch only arguments that source from callers arguments (formal_arguments) are lowered this way. I moved some code that would otherwise be duplicated to a new function 'GetMemCpyWithFlags'. Okay to commit? regards arnold -------------- next part -------------- A non-text attachment was scrubbed... Name: tailcall-improvement.patch Type: application/octet-stream Size: 10604 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20080108/6d29e8c...