[llvm] [VPlan] Add VPIRInstruction, use for exit block live-outs. (PR #100735)

[Florian Hahn via llvm-commits]

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@@ -339,6 +339,7 @@ class VPDef {
     VPBranchOnMaskSC,
     VPDerivedIVSC,
     VPExpandSCEVSC,
+    VPIRInstructionSC,
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fhahn wrote:

Ah yes, we have a header phi ids are grouped together separately.

https://github.com/llvm/llvm-project/pull/100735