Index: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
===================================================================
--- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -6853,6 +6853,9 @@
       return std::min(CallCost, getVectorIntrinsicCost(CI, VF));
     return CallCost;
   }
+  case Instruction::ExtractValue:
+    // Assume we need 1 instruction to extract a value from a vector.
+    return 1;
   default:
     // The cost of executing VF copies of the scalar instruction. This opcode
     // is unknown. Assume that it is the same as 'mul'.
Index: llvm/test/Transforms/LoopVectorize/AArch64/extractvalue-no-scalarization-required.ll
===================================================================
--- llvm/test/Transforms/LoopVectorize/AArch64/extractvalue-no-scalarization-required.ll
+++ llvm/test/Transforms/LoopVectorize/AArch64/extractvalue-no-scalarization-required.ll
@@ -9,8 +9,8 @@
 ; leaving cost 3 for scalarizing the result + 2 for executing the op with VF 2.
 
 ; CM: LV: Scalar loop costs: 7.
-; CM: LV: Found an estimated cost of 19 for VF 2 For instruction:   %a = extractvalue { i64, i64 } %sv, 0
-; CM-NEXT: LV: Found an estimated cost of 19 for VF 2 For instruction:   %b = extractvalue { i64, i64 } %sv, 1
+; CM: LV: Found an estimated cost of 1 for VF 2 For instruction:   %a = extractvalue { i64, i64 } %sv, 0
+; CM-NEXT: LV: Found an estimated cost of 1 for VF 2 For instruction:   %b = extractvalue { i64, i64 } %sv, 1
 
 ; Check that the extractvalue operands are actually free in vector code.
 
@@ -58,8 +58,8 @@
 declare float @pow(float, float) readnone nounwind
 
 ; CM: LV: Scalar loop costs: 16.
-; CM: LV: Found an estimated cost of 5 for VF 2 For instruction:   %a = extractvalue { float, float } %sv, 0
-; CM-NEXT: LV: Found an estimated cost of 5 for VF 2 For instruction:   %b = extractvalue { float, float } %sv, 1
+; CM: LV: Found an estimated cost of 1 for VF 2 For instruction:   %a = extractvalue { float, float } %sv, 0
+; CM-NEXT: LV: Found an estimated cost of 1 for VF 2 For instruction:   %b = extractvalue { float, float } %sv, 1
 
 ; FORCED-LABEL: define void @test_getVectorCallCost