[llvm-dev] linking an ISD node to a function

Josh Sharp via llvm-dev llvm-dev at lists.llvm.org
Fri May 3 15:42:51 PDT 2019

Hi all,
Is there any way to link an ISD node to a specific function? What I mean by that is that my target CPU architecture doesn't have a DIV instruction but there is a divide() function implemented in C. Whenever an ISD::UDIV or ISD::SDIV node is encountered, rather than trying to match a DAG pattern, I just want divide() to be called.

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