[LLVMdev] Alloca Requirements

David Greene dag at cray.com
Tue Oct 13 08:34:52 PDT 2009


On Tuesday 13 October 2009 04:02, Lennart Augustsson wrote:
> And you really want your allocas in the entry block so they are
> implemented by just stack pointer manipulation rather than calling
> alloca().  The latter is slower, and there's also a bug that makes
> calling alloca() not getting the alignment right (if it's > 8).

Is there a bug number for that?  I wonder if that's what I'm hitting.

                                -Dave



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