[llvm] [VPlan] Add Type* and getType() to VPSymbolicValue (NFC) (PR #195183)

[via llvm-commits]

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@@ -4579,11 +4581,12 @@ class VPlan {
   /// Construct a VPlan for \p L. This will create VPIRBasicBlocks wrapping the
   /// original preheader and scalar header of \p L, to be used as entry and
   /// scalar header blocks of the new VPlan.
-  VPlan(Loop *L);
+  VPlan(Loop *L, Type *IdxTy = nullptr);
 
   /// Construct a VPlan with a new VPBasicBlock as entry, a VPIRBasicBlock
   /// wrapping \p ScalarHeaderBB and a trip count of \p TC.
-  VPlan(BasicBlock *ScalarHeaderBB) {
+  VPlan(BasicBlock *ScalarHeaderBB, Type *IdxTy = nullptr)
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ayalz wrote:

Is the default null needed, can it be dropped.

https://github.com/llvm/llvm-project/pull/195183