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I think DAGToDAG is too late because the build_vector has already been turned into a constant pool load by then so it’s a little difficult to get back. Maybe we can delay it to !DCI.isBeforeLegalizeOps()? That would at least let the first DAG combine and the post type legalization DAG combine see the add, 1. +Sanjay as well From: Amaury Séchet <deadalnix at gmail.com> Sent: Monday, August

...e great if someone familiar with the X86 backend could look > into this. > > > > Thanks in advance, > > > > Amaury Séchet > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20190826/06d80092/attachment.html>