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...et code. I guess I could add a custom dagcombine hook for this node and revert it in my target, but I want to hear what is the best thing to do. Thanks! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120827/b2fa446d/attachment.html>

Hello, I'm getting an instruction selection error because DAGCombiner is introducing an illegal node after the legalizeDAG phase. Basically this is what is going on: 1) During legalization, BR_JT gets expanded introducing a (mul x, 2). 2) After legalization (AfterLegalizeDAG), that (mul x, 2) is converted to an (shl x, 1). However, that shl node introduced is illegal, and since my custom