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

[Florian Hahn via llvm-commits]

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@@ -4411,22 +4381,22 @@ class VPlan {
     return VPB;
   }
 
-  /// Create a new VPRegionBlock with \p Entry, \p Exiting and \p Name. If \p
-  /// IsReplicator is true, the region is a replicate region. The returned block
-  /// is owned by the VPlan and deleted once the VPlan is destroyed.
+  /// Create a new replicate VPRegionBlock with \p Entry, \p Exiting and \p
+  /// Name. The returned block is owned by the VPlan and deleted once the VPlan
+  /// is destroyed.
   VPRegionBlock *createVPRegionBlock(VPBlockBase *Entry, VPBlockBase *Exiting,
-                                     const std::string &Name = "",
-                                     bool IsReplicator = false) {
-    auto *VPB = new VPRegionBlock(Entry, Exiting, Name, IsReplicator);
+                                     const std::string &Name = "") {
+    auto *VPB = new VPRegionBlock(Entry, Exiting, Name);
     CreatedBlocks.push_back(VPB);
     return VPB;
   }
 
-  /// Create a new loop VPRegionBlock with \p Name and entry and exiting blocks set
-  /// to nullptr. The returned block is owned by the VPlan and deleted once the
-  /// VPlan is destroyed.
-  VPRegionBlock *createVPRegionBlock(const std::string &Name = "") {
-    auto *VPB = new VPRegionBlock(Name);
+  /// Create a new loop VPRegionBlock with \p StartV and \p Name, and entry and
+  /// exiting blocks set to nullptr. The returned block is owned by the VPlan
+  /// and deleted once the VPlan is destroyed.
+  VPRegionBlock *createVPRegionBlock(Type *CanIVTy, DebugLoc DL,
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fhahn wrote:

Done thanks, split off preparatory work to 82b59345fea7f450f314fead42520d591a1933b3

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