[llvm] [RFC][BPF] Support Jump Table (PR #133856)

[Anton Protopopov via llvm-commits]

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@@ -65,10 +65,11 @@ BPFTargetLowering::BPFTargetLowering(const TargetMachine &TM,
 
   setOperationAction(ISD::BR_CC, MVT::i64, Custom);
   setOperationAction(ISD::BR_JT, MVT::Other, Expand);
-  setOperationAction(ISD::BRIND, MVT::Other, Expand);
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aspsk wrote:

So, this does remove restriction to not produce indirect jumps?

Is there a way to control if we want to generate indirect jumps "in general" vs., say,  "only for large switches"? (Or even only for a particular switch?)

https://github.com/llvm/llvm-project/pull/133856