[llvm] [VPlan] Support live-ins without underlying IR in type analysis. (PR #80723)

[via llvm-commits]

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@@ -47,7 +49,8 @@ class VPTypeAnalysis {
   Type *inferScalarTypeForRecipe(const VPReplicateRecipe *R);
 
 public:
-  VPTypeAnalysis(LLVMContext &Ctx) : Ctx(Ctx) {}
+  VPTypeAnalysis(Type *CanonicalIVTy, LLVMContext &Ctx)
+      : CanonicalIVTy(CanonicalIVTy), Ctx(Ctx) {}
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ayalz wrote:

nit (unrelated to this patch): does VPTypeAnalysis really need `Ctx`?

https://github.com/llvm/llvm-project/pull/80723