Simplify expression

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232214 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/IR/Instructions.h

@@ -846,10 +846,8 @@ public:
   }
 
   Type *getSourceElementType() const {
-    SequentialType *Ty = cast<SequentialType>(getPointerOperandType());
-    if (VectorType *VTy = dyn_cast<VectorType>(Ty))
-      Ty = cast<SequentialType>(VTy->getElementType());
-    return Ty->getElementType();
+    return cast<SequentialType>(getPointerOperandType()->getScalarType())
+        ->getElementType();
   }
 
   /// \brief Returns the address space of this instruction's pointer type.