[llvm] [VPlan] Improve code around WidenPHI's constructor (NFC) (PR #162277)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/162277

None

>From 423ddc7853f279191da5e275b03d99776b268787 Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
Date: Tue, 7 Oct 2025 13:34:44 +0100
Subject: [PATCH] [VPlan] Improve code around WidenPHI's constructor (NFC)

---
 llvm/lib/Transforms/Vectorize/VPlan.h             | 3 +--
 llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index c167dd7f65fac..fb696bea671af 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -2263,8 +2263,7 @@ class LLVM_ABI_FOR_TEST VPWidenPHIRecipe : public VPSingleDefRecipe,
   /// debug location \p DL.
   VPWidenPHIRecipe(PHINode *Phi, VPValue *Start = nullptr,
                    DebugLoc DL = DebugLoc::getUnknown(), const Twine &Name = "")
-      : VPSingleDefRecipe(VPDef::VPWidenPHISC, ArrayRef<VPValue *>(), Phi, DL),
-        Name(Name.str()) {
+      : VPSingleDefRecipe(VPDef::VPWidenPHISC, {}, Phi, DL), Name(Name.str()) {
     if (Start)
       addOperand(Start);
   }
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index ebf833e2b7e88..d6f4ae18c76f3 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -3180,9 +3180,8 @@ expandVPWidenIntOrFpInduction(VPWidenIntOrFpInductionRecipe *WidenIVR,
                               DebugLoc::getUnknown(), "induction");
 
   // Create the widened phi of the vector IV.
-  auto *WidePHI = new VPWidenPHIRecipe(WidenIVR->getPHINode(), nullptr,
+  auto *WidePHI = new VPWidenPHIRecipe(WidenIVR->getPHINode(), Init,
                                        WidenIVR->getDebugLoc(), "vec.ind");
-  WidePHI->addOperand(Init);
   WidePHI->insertBefore(WidenIVR);
 
   // Create the backedge value for the vector IV.