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...re illegal? > asan and SAFEcode will add this metadata, optimizers will listen to it. > > Any other suggestion? > > > --kcc > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20111228/753fec37/attachment.html>

Dear All, I think adding metadata and expecting transforms to repect it is a bad idea. It is just too easy for someone who does not know about the metadata to add a transform that ignores it. As for SAFECode, I think we have one of several options for handling load-widening. The most obvious one is to have a pass that just boosts the allocation size of any alloca with an align 16 attribute;