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...u please tell me what algorithm is the LLVM loop vectorizer using >>>>>> (maybe the algorithm is described in a paper) - I currently found only 2 >>>>>> presentations on this >>>>>> topic:http://llvm.org/devmtg/2013-11/slides/Rotem-Vectorization.pdfand <http://llvm.org/devmtg/2013-11/slides/Rotem-Vectorization.pdfand> >>>>>> https://archive.fosdem.org/2014/schedule/event/llvmautovec/attachments/audio/321/export/events/attachments/llvmautovec/audio/321/AutoVectorizationLLVM.pdf <https://archive.fosdem.org/2014/schedule/e...

Hi Alex, I'm not aware of efforts on loop coalescing in LLVM, but probably polly can do something like this. Also, one related thought: it might be worth making it a separate pass, not a part of loop vectorizer. LLVM already has several 'utility' passes (e.g. loop rotation), which primarily aims at enabling other passes. Thanks, Michael > On Feb 15, 2016, at 6:44 AM, RCU

...u please tell me what algorithm is the LLVM loop vectorizer using >>>>>> (maybe the algorithm is described in a paper) - I currently found only 2 >>>>>> presentations on this >>>>>> topic:http://llvm.org/devmtg/2013-11/slides/Rotem-Vectorization.pdfand >>>>>> https://archive.fosdem.org/2014/schedule/event/llvmautovec/attachments/audio/321/export/events/attachments/llvmautovec/audio/321/AutoVectorizationLLVM.pdf >>>>>> >>>>>> >>>>>> > . >>>>>> >>...