Fix comments

Author: bcardosolopes

mlir/include/mlir/Dialect/DLTI/DLTIAttrs.td

@@ -92,7 +92,7 @@ def DLTI_DataLayoutSpecAttr :
     /// Returns the stack alignment identifier.
     StringAttr getStackAlignmentIdentifier(MLIRContext *context) const;
 
-    /// Returns the function poinrter alignment identifier.
+    /// Returns the function pointer alignment identifier.
     StringAttr getFunctionPointerAlignmentIdentifier(MLIRContext *context) const;
 
     /// Returns the attribute associated with the key.

mlir/include/mlir/Interfaces/DataLayoutInterfaces.h

@@ -263,10 +263,7 @@ class DataLayout {
   /// unspecified.
   uint64_t getStackAlignment() const;
 
-  /// Returns the natural alignment of the stack in bits. Alignment promotion of
-  /// stack variables should be limited to the natural stack alignment to
-  /// prevent dynamic stack alignment. Returns zero if the stack alignment is
-  /// unspecified.
+  /// Returns function pointer alignment.
   Attribute getFunctionPointerAlignment() const;
 
   /// Returns the value of the specified property if the property is defined for

mlir/lib/Target/LLVMIR/DataLayoutImporter.cpp

@@ -228,10 +228,12 @@ LogicalResult DataLayoutImporter::tryToEmplaceFunctionPointerAlignmentEntry(
   if (keyEntries.count(key))
     return success();
 
-  // i: The alignment of function pointers is independent of the alignment of
-  // functions, and is a multiple of <abi>.
-  // n: The alignment of function pointers is a multiple of the explicit
-  // alignment specified on the function, and is a multiple of <abi>.
+  // The data layout entry for "F<type><abi>". <abi> is the aligment value,
+  // preceded by one of the two possible <types>:
+  // "i": The alignment of function pointers is independent of the alignment of
+  //      functions, and is a multiple of <abi>.
+  // "n": The alignment of function pointers is a multiple of the explicit
+  //      alignment specified on the function, and is a multiple of <abi>.
   bool functionDependent = false;
   if (fnPtrString == "n")
     functionDependent = true;