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Hi! Could someone tell me the reason why allocation_order_begin method of TargetRegisterClass class takes a non-const reference to MachineFunction? I can't imagine why this method will change function and didn't find any override within llvm source which uses non-const methods of the MF parameter. Just run into compiler error because I passed a const reference to the method. Best

Hi Tony, It doesn't look right to me either. The "begin" and "end" methods which allocation_order_begin should return a const_iterator instead of an iterator. Those methods are "const". And, yes, the MachineFunction reference isn't even used so at the very least it could be const (if not removed). However, I'm not an expert in this area of the code.

...ot const. However, I think there could be default const implementation (const_cast of non-const method) and then allocation_order_begin() could be const. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20060816/4109a977/attachment.html>