Can anyone tell me the current state of instruction scheduling in LLVM, i.e. what all internal scheduling algorithms and whether constraint solving methods are used in LLVM for a single issue processor ? Please let me know if anyone has any information about it.
Hi Siddharh :
You may find this tutorial on llvm machine scheduler useful https://youtu.be/brpomKUynEA It gives an overview of scheduling algorithms used by llvm. It also explains how you could override the default scheduling algorithm in various stages.
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Thanks a lot for the info. It is really useful.