[NFC][Alignment] Use getAlign in VNCoercion

llvm/lib/Transforms/Utils/VNCoercion.cpp

@@ -277,7 +277,7 @@ static unsigned getLoadLoadClobberFullWidthSize(const Value *MemLocBase,
   // looking at an i8 load on x86-32 that is known 1024 byte aligned, we can
   // widen it up to an i32 load.  If it is known 2-byte aligned, we can widen it
   // to i16.
-  unsigned LoadAlign = LI->getAlignment();
+  unsigned LoadAlign = LI->getAlign().value();
 
   int64_t MemLocEnd = MemLocOffs + MemLocSize;