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On Thu, May 15, 2008 at 5:45 PM, Fernando Magno Quintao Pereira <fernando at cs.ucla.edu> wrote: > > Guys, I need advice in how to handle a problem. > > The problem: > In X86_64, pointers are 64-bit variables, and are stored into 64-bit > registers. However, some pointers are small enough that they can be > represented as 32-bit values. > Is there some way, in

Guys, I need advice in how to handle a problem. The problem: In X86_64, pointers are 64-bit variables, and are stored into 64-bit registers. However, some pointers are small enough that they can be represented as 32-bit values. Is there some way, in LLVM, to recognize which pointers can be stored into 32-bit registers, and so modify their class accordingly? Any ideas or hints would