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...an/listinfo/llvmdev > > > -- Bo Wu Ph.D. student CAPS group Computer Science Department The College of William & Mary www.cs.wm.edu/~bwu -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110501/5ed04d3c/attachment.html>

On 4/30/11 8:52 AM, Bo Wu wrote: > In C code, if a loop is not a natural loop, that means its loop body > should at least have one label, right? In that case, some BB out of > the loop can jump to the loop body, so the loop has more than on entry. Off the top of my head, I would think you are right: a C label would have to exist within the loop in order to have a jump from outside the

In C code, if a loop is not a natural loop, that means its loop body should at least have one label, right? In that case, some BB out of the loop can jump to the loop body, so the loop has more than on entry. Does LoopInfo guarantee to identify all natural loops? This property is very important for my pass. regards, Bo On Fri, Apr 29, 2011 at 11:50 PM, Cameron Zwarich <zwarich at