Index: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -299,7 +299,7 @@
   EVT DstTy = TLI->getValueType(DL, Dst);
 
   if (!SrcTy.isSimple() || !DstTy.isSimple())
-    return BaseT::getCastInstrCost(Opcode, Dst, Src, CostKind);
+    return BaseT::getCastInstrCost(Opcode, Dst, Src, CostKind, I);
 
   static const TypeConversionCostTblEntry
   ConversionTbl[] = {
@@ -403,7 +403,7 @@
                                                  SrcTy.getSimpleVT()))
     return Entry->Cost;
 
-  return BaseT::getCastInstrCost(Opcode, Dst, Src, CostKind);
+  return BaseT::getCastInstrCost(Opcode, Dst, Src, CostKind, I);
 }
 
 int AArch64TTIImpl::getExtractWithExtendCost(unsigned Opcode, Type *Dst,
Index: llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
===================================================================
--- llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
+++ llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
@@ -244,7 +244,7 @@
 ; YAML-NEXT: Function:        test_unrolled_select
 ; YAML-NEXT: Args:
 ; YAML-NEXT:   - String:          'Vectorized horizontal reduction with cost '
-; YAML-NEXT:   - Cost:            '-47'
+; YAML-NEXT:   - Cost:            '-31'
 ; YAML-NEXT:   - String:          ' and with tree size '
 ; YAML-NEXT:   - TreeSize:        '10'