[llvm] [SLP][NFC] Remove unused PtrN parameter from analyzeConstantStrideCandidate() (PR #191567)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Ryan Buchner (bababuck)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/191567.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+6-6) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index cd23112db1e69..4466caacbd6cf 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -2345,7 +2345,7 @@ class slpvectorizer::BoUpSLP {
   bool analyzeConstantStrideCandidate(
       const ArrayRef<Value *> PointerOps, Type *ElemTy, Align Alignment,
       const SmallVectorImpl<unsigned> &SortedIndices, const int64_t Diff,
-      Value *Ptr0, Value *PtrN, StridedPtrInfo &SPtrInfo) const;
+      Value *Ptr0, StridedPtrInfo &SPtrInfo) const;
 
   /// Return true if an array of scalar loads can be replaced with a strided
   /// load (with run-time stride).
@@ -7195,7 +7195,7 @@ bool BoUpSLP::isStridedLoad(ArrayRef<Value *> PointerOps, Type *ScalarTy,
 bool BoUpSLP::analyzeConstantStrideCandidate(
     const ArrayRef<Value *> PointerOps, Type *ScalarTy, Align Alignment,
     const SmallVectorImpl<unsigned> &SortedIndices, const int64_t Diff,
-    Value *Ptr0, Value *PtrN, StridedPtrInfo &SPtrInfo) const {
+    Value *Ptr0, StridedPtrInfo &SPtrInfo) const {
   const size_t Sz = PointerOps.size();
   SmallVector<int64_t> SortedOffsetsFromBase(Sz);
   // Go through `PointerOps` in sorted order and record offsets from
@@ -7587,7 +7587,7 @@ BoUpSLP::LoadsState BoUpSLP::canVectorizeLoads(
         cast<LoadInst>(Order.empty() ? VL.front() : VL[Order.front()])
             ->getAlign();
     if (analyzeConstantStrideCandidate(PointerOps, ScalarTy, Alignment, Order,
-                                       Diff, Ptr0, PtrN, SPtrInfo))
+                                       Diff, Ptr0, SPtrInfo))
       return LoadsState::StridedVectorize;
   }
   if (!TTI->isLegalMaskedGather(VecTy, CommonAlignment) ||
@@ -10721,9 +10721,9 @@ BoUpSLP::TreeEntry::EntryState BoUpSLP::getScalarsVectorizationState(
       // Check that the sorted pointer operands are consecutive.
       if (static_cast<uint64_t>(*Dist) == VL.size() - 1)
         return TreeEntry::Vectorize;
-      if (EnableStridedStores && analyzeConstantStrideCandidate(
-                                     PointerOps, ScalarTy, CommonAlignment,
-                                     CurrentOrder, *Dist, Ptr0, PtrN, SPtrInfo))
+      if (EnableStridedStores &&
+          analyzeConstantStrideCandidate(PointerOps, ScalarTy, CommonAlignment,
+                                         CurrentOrder, *Dist, Ptr0, SPtrInfo))
         return TreeEntry::StridedVectorize;
     }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/191567