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Hi, I was looking into how SelectionDAG scheduling is done in LLVM for different backends, and I noticed that for the X86 backend, even though it sets scheduling preferences of ILP or RegisterPressure depending on architecture, in the end, it ends up using source scheduling. I realized this is because it overrides enableMachineScheduler to return true. Is there any specific reasons why it was

...efforts were never > finished (or maybe just never verified?) so that they still use the other > selection dag scheduler. > > - Matthias > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170731/98895f96/attachment.html>