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...plifycfg somehow preserve / move lifetime intrinsics in its > transformations? > > -- > Alexey Samsonov, MSK > -- Alexey Samsonov, MSK -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20121224/2a388d2c/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: zdiff.lifetime-simplifycfg Type: application/octet-stream Size: 1231 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20121224/2a388d2c/attachment.obj>

Hi! I'm working on ASan option that uses llvm.lifetime intrinsics to detect use-after-scope bugs. In short, the idea is to insert calls into ASan runtime that would mark the memory as "addressable" or "unaddressable". I see the following problem with the following "trivial" basic block: for.body.lr.ph.i: ; preds = %for.body.i310