[llvm] [VPlan] Make canonical IV part of the region (PR #156262)

[Florian Hahn via llvm-commits]

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@@ -3963,6 +3897,24 @@ class VPIRBasicBlock : public VPBasicBlock {
   BasicBlock *getIRBasicBlock() const { return IRBB; }
 };
 
+/// Track information about the canonical IV value of a region.
+struct VPCanonicalIVInfo {
+  VPRegionValue *CanIV = nullptr;
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fhahn wrote:

done thanks

https://github.com/llvm/llvm-project/pull/156262