diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 4f8557f..6fd49e3 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -581,10 +581,8 @@
   if (BasePtr == nullptr)
     return false;
 
-  return isDereferenceableAndAlignedPointer(BasePtr, 1,
-                                            APInt(DL.getPointerSize(),
-                                                  Offset + Size),
-                                            DL);
+  return isDereferenceableAndAlignedPointer(
+      BasePtr, 1, APInt(DL.getPointerSizeInBits(), Offset + Size), DL);
 }
 
 /// getConstantPool - Return a MachinePointerInfo record that refers to the