[LLVMdev] Equivalent alignment of __attribute__((__aligned__))

Chris Lattner clattner at apple.com
Mon Feb 1 11:09:20 PST 2010

On Feb 1, 2010, at 11:06 AM, Garrison Venn wrote:

> Is there a way using llvm::TargetData to determine the alignment of what would be equivalent 
> to __attribute__((__aligned__))? I'm looking for something like a max alignment number for the
> target platform so that I know what the max alignment of an address returned by malloc(...) will
> be.

Not currently.  The alignment implied by attribute(aligned) is probably not something that TargetData should have, but I think it *does* make sense to have the minimal guaranteed alignment of malloc.


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