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2013/8/8 Preston Briggs <preston.briggs at gmail.com> > > Hi, > > The DependenceAnalysis pass isn't reliable yet; it has several errors that > need to be corrected. These manifest by the analysis claiming there's no > dependence when one in fact exists. > > Your proposed scheme of testing every pair of instructions is > asymptotically expensive, requiring

...nalysis.cpp you can see how I exercise DA (in dumpExampleDependence) and how I print the info associated with a dependence (in Dependence::dump) Preston -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130809/bab0d8c7/attachment.html>

Valmico <valmico88 at gmail.com> wrote: > I'm currently trying to develop new LLVM Pass that will generate > simple data dependencies graph. For now I'm trying to get familiar > with DependenceAnalysis. > My general idea is to traverse each function (runOnFunction) > top to bottom Instruction by Instruction, using DA.depends( I, I2, ...) > on every Instructions