address review comments

Author: Dinistro

mlir/lib/Dialect/LLVMIR/IR/LLVMMemorySlot.cpp

@@ -235,9 +235,8 @@ static Value castSameSizedTypes(RewriterBase &rewriter, Location loc,
 }
 
 /// Constructs operations that convert `srcValue` into a new value of type
-/// `targetType`. Performs bitlevel extraction if the source type is larger than
-/// the target type.
-/// Assumes that this conversion is possible.
+/// `targetType`. Performs bit-level extraction if the source type is larger
+/// than the target type. Assumes that this conversion is possible.
 static Value createExtractAndCast(RewriterBase &rewriter, Location loc,
                                   Value srcValue, Type targetType,
                                   const DataLayout &dataLayout) {

mlir/lib/Transforms/Mem2Reg.cpp

@@ -196,8 +196,8 @@ class MemorySlotPromoter {
   MemorySlot slot;
   PromotableAllocationOpInterface allocator;
   RewriterBase &rewriter;
-  /// Potentially non-initialized default value. Use `getLazyDefaultValue` to
-  /// initialize it on demand.
+  /// Potentially non-initialized default value. Use `getOrCreateDefaultValue`
+  /// to initialize it on demand.
   Value defaultValue;
   /// Contains the reaching definition at this operation. Reaching definitions
   /// are only computed for promotable memory operations with blocking uses.