Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164766

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164769 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index 15ccfd5..419ce02 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -109,7 +109,7 @@
 
 static bool isEmptyRecord(ASTContext &Context, QualType T, bool AllowArrays);
 
-/// isEmptyField - Return true if a the field is "empty", that is it
+/// isEmptyField - Return true iff a the field is "empty", that is it
 /// is an unnamed bit-field or an (array of) empty record(s).
 static bool isEmptyField(ASTContext &Context, const FieldDecl *FD,
                          bool AllowArrays) {
@@ -141,7 +141,7 @@
   return isEmptyRecord(Context, FT, AllowArrays);
 }
 
-/// isEmptyRecord - Return true if a structure contains only empty
+/// isEmptyRecord - Return true iff a structure contains only empty
 /// fields. Note that a structure with a flexible array member is not
 /// considered empty.
 static bool isEmptyRecord(ASTContext &Context, QualType T, bool AllowArrays) {
@@ -1070,7 +1070,7 @@
   /// be passed in Memory then at least the classification of \arg Lo
   /// will be Memory.
   ///
-  /// The \arg Lo class will be NoClass if the argument is ignored.
+  /// The \arg Lo class will be NoClass iff the argument is ignored.
   ///
   /// If the \arg Lo class is ComplexX87, then the \arg Hi class will
   /// also be ComplexX87.