[llvm] [SCEV] Strip unused Ty arg in getPreStartForExtend (NFC) (PR #218918)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/218918

To avoid confusion.

>From 7999bba15deb4b1cdd3211017d024913c4f6ad79 Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <artagnon at tenstorrent.com>
Date: Wed, 26 Aug 2026 14:02:10 +0100
Subject: [PATCH] [SCEV] Strip unused Ty arg in getPreStartForExtend (NFC)

To avoid confusion.
---
 llvm/lib/Analysis/ScalarEvolution.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index f6ad701ce819e..e74e1ac2523d2 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -1298,7 +1298,7 @@ const ExtendOpTraitsBase::GetExtendExprTy ExtendOpTraits<
 // expression "Step + sext/zext(PreIncAR)" is congruent with
 // "sext/zext(PostIncAR)"
 template <typename ExtendOpTy>
-static const SCEV *getPreStartForExtend(const SCEVAddRecExpr *AR, Type *Ty,
+static const SCEV *getPreStartForExtend(const SCEVAddRecExpr *AR,
                                         ScalarEvolution *SE, unsigned Depth) {
   auto WrapType = ExtendOpTraits<ExtendOpTy>::WrapType;
   auto GetExtendExpr = ExtendOpTraits<ExtendOpTy>::GetExtendExpr;
@@ -1380,7 +1380,7 @@ static const SCEV *getExtendAddRecStart(const SCEVAddRecExpr *AR, Type *Ty,
                                         unsigned Depth) {
   auto GetExtendExpr = ExtendOpTraits<ExtendOpTy>::GetExtendExpr;
 
-  const SCEV *PreStart = getPreStartForExtend<ExtendOpTy>(AR, Ty, SE, Depth);
+  const SCEV *PreStart = getPreStartForExtend<ExtendOpTy>(AR, SE, Depth);
   if (!PreStart)
     return (SE->*GetExtendExpr)(AR->getStart(), Ty, Depth);