[llvm] [VPlan] Expand VPWidenIntOrFpInductionRecipe into separate recipes (PR #118638)

[Luke Lau via llvm-commits]

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@@ -2026,7 +2018,7 @@ class VPWidenPHIRecipe : public VPSingleDefRecipe, public VPPhiAccessors {
 public:
   /// Create a new VPWidenPHIRecipe for \p Phi with start value \p Start and
   /// debug location \p DL.
-  VPWidenPHIRecipe(PHINode *Phi, VPValue *Start = nullptr, DebugLoc DL = {},
+  VPWidenPHIRecipe(Instruction *Phi, VPValue *Start = nullptr, DebugLoc DL = {},
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lukel97 wrote:

A VPWidenIntOrFpInduction's underlying value can be a trunc instruction too, but now that you mention it I think it's ok if we just pass `WidenIVR->getPHINode()` in here. I've removed it in 993ba23953bf7720562fe3814e38449a2dce3818

https://github.com/llvm/llvm-project/pull/118638