[llvm] [VPlan] First step towards VPlan cost modeling (LegacyCM in CostCtx) (PR #92555)

[via llvm-commits]

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@@ -701,6 +716,27 @@ class VPLiveOut : public VPUser {
 #endif
 };
 
+/// Struct to hold various analysis needed for cost computations.
+struct VPCostContext {
+  const TargetTransformInfo &TTI;
+  VPTypeAnalysis Types;
+  LLVMContext &Ctx;
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ayalz wrote:

```suggestion
  LLVMContext &LLVMCtx;
```
to avoid confusion?

https://github.com/llvm/llvm-project/pull/92555