[LLVMdev] Alignment for Alloca Inst in llvm 2.6

me22 me22.ca at gmail.com
Mon Mar 8 17:50:22 PST 2010


On 8 March 2010 19:51, Arushi Aggarwal <arushi987 at gmail.com> wrote:
>
> 2. I notice that the setAlignment method for an AllocaInst takes an
> unsigned. For 64 bit systems, alignment could potentially be larger. Is
> there a reason why the alignment should be restricted to this size?
> Thanks in advance
>

Would it ever be practical to align a stack variable to an 8 GiB
boundary?  I'm curious what use case you could think of for aligning
to 64 KiB or more, since the unsigned is guaranteed to allow at least
0x8000.



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