[Transforms] Use default member initialization in MemmoveVerifier (NFC)

Author: kazutakahirata

llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp

@@ -1275,9 +1275,8 @@ class MemmoveVerifier {
 public:
   explicit MemmoveVerifier(const Value &LoadBasePtr, const Value &StoreBasePtr,
                            const DataLayout &DL)
-      : DL(DL), LoadOff(0), StoreOff(0),
-        BP1(llvm::GetPointerBaseWithConstantOffset(
-            LoadBasePtr.stripPointerCasts(), LoadOff, DL)),
+      : DL(DL), BP1(llvm::GetPointerBaseWithConstantOffset(
+                    LoadBasePtr.stripPointerCasts(), LoadOff, DL)),
         BP2(llvm::GetPointerBaseWithConstantOffset(
             StoreBasePtr.stripPointerCasts(), StoreOff, DL)),
         IsSameObject(BP1 == BP2) {}
@@ -1307,8 +1306,8 @@ class MemmoveVerifier {
 
 private:
   const DataLayout &DL;
-  int64_t LoadOff;
-  int64_t StoreOff;
+  int64_t LoadOff = 0;
+  int64_t StoreOff = 0;
   const Value *BP1;
   const Value *BP2;