[llvm-commits] [PATCH] Add malloc call utility functions

[Chris Lattner]

On Sep 5, 2009, at 5:36 AM, Duncan Sands wrote:

> Hi Victor, when bitcode containing a MallocInst is read, it looks
> like you plan to turn this into a malloc call ignoring the alignment
> value of the MallocInst.  However if the alignment was huge, the  
> pointer
> returned by the malloc call might not be sufficiently aligned.  In  
> this
> case you would need to allocate a larger amount of memory and adjust  
> the
> returned pointer to be sufficiently aligned.  The extra complexity may
> not be worth it: I don't know if anyone ever used huge alignments with
> MallocInst, or even if codegen respected these alignments.  If you
> decide to ignore the alignment I suggest you add a comment about this.

The MallocInst alignment field is already ignored by all versions of  
llvm.  Don't worry about this.

-Chris