diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp
index 8cad7d90a64..f8ea8cfc354 100644
--- a/lib/Analysis/ConstantFolding.cpp
+++ b/lib/Analysis/ConstantFolding.cpp
@@ -1056,7 +1056,7 @@ Constant *ConstantFoldInstOperandsImpl(const Value *InstOrCE, unsigned Opcode,
     return ConstantExpr::getExtractElement(Ops[0], Ops[1]);
   case Instruction::ExtractValue:
     return ConstantExpr::getExtractValue(
-        Ops[0], dyn_cast<ExtractValueInst>(InstOrCE)->getIndices());
+        Ops[0], cast<ExtractValueInst>(InstOrCE)->getIndices());
   case Instruction::InsertElement:
     return ConstantExpr::getInsertElement(Ops[0], Ops[1], Ops[2]);
   case Instruction::ShuffleVector: