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On Nov 28, 2011, at 3:39 PM, Borja Ferrer wrote: > Hello, > > I'm having a curious design conflict related to reserving registers before the register allocator pass is executed with the backend I'm writing. Basically, what I need is to reserve a certain register only if frame space is allocated in the stack, more precisely I'm interested in the case where a register spill

...ng the regalloc. I've also added Jakob (i hope he doesn't mind :) ) to this thread so he can give his point of view. Thanks for the reply Andy. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20111129/a605c286/attachment.html>

Hello, I'm having a curious design conflict related to reserving registers before the register allocator pass is executed with the backend I'm writing. Basically, what I need is to reserve a certain register only if frame space is allocated in the stack, more precisely I'm interested in the case where a register spill occurs. In order to know if a register is spilled the register