Fix typos

Also consolidate 'backward compatibility'

llvm-svn: 212974

clang/docs/LanguageExtensions.rst

@@ -91,7 +91,7 @@ feature) or 0 if not.  They can be used like this:
 
 .. _langext-has-feature-back-compat:
 
-For backwards compatibility reasons, ``__has_feature`` can also be used to test
+For backward compatibility, ``__has_feature`` can also be used to test
 for support for non-standardized features, i.e. features not prefixed ``c_``,
 ``cxx_`` or ``objc_``.
 

clang/include/clang/Basic/arm_neon.td

@@ -87,7 +87,7 @@ def call;
 def cast;
 // bitcast - Same as "cast", except a reinterpret-cast is produced:
 //             (bitcast "T", $p0) -> "*(T*)&__p0".
-//           The VAL argument is saved to a temprary so it can be used
+//           The VAL argument is saved to a temporary so it can be used
 //           as an l-value.
 def bitcast;
 // dup - Take a scalar argument and create a vector by duplicating it into

clang/lib/Basic/Targets.cpp

@@ -5459,7 +5459,7 @@ public:
         
     case 'r': // CPU registers.
     case 'd': // Equivalent to "r" unless generating MIPS16 code.
-    case 'y': // Equivalent to "r", backwards compatibility only.
+    case 'y': // Equivalent to "r", backward compatibility only.
     case 'f': // floating-point registers.
     case 'c': // $25 for indirect jumps
     case 'l': // lo register

clang/lib/Format/Format.cpp

@@ -104,7 +104,7 @@ struct ScalarEnumerationTraits<FormatStyle::PointerAlignmentStyle> {
     IO.enumCase(Value, "Left", FormatStyle::PAS_Left);
     IO.enumCase(Value, "Right", FormatStyle::PAS_Right);
 
-    // For backward compability.
+    // For backward compatibility.
     IO.enumCase(Value, "true", FormatStyle::PAS_Left);
     IO.enumCase(Value, "false", FormatStyle::PAS_Right);
   }

clang/lib/Sema/SemaDeclAttr.cpp

@@ -3911,7 +3911,7 @@ static void handleCapabilityAttr(Sema &S, Decl *D, const AttributeList &Attr) {
   // concept, and so they use the same semantic attribute. Eventually, the
   // lockable attribute will be removed.
   //
-  // For backwards compatibility, any capability which has no specified string
+  // For backward compatibility, any capability which has no specified string
   // literal will be considered a "mutex."
   StringRef N("mutex");
   SourceLocation LiteralLoc;

clang/test/CodeGenCXX/dllexport.cpp

@@ -680,7 +680,7 @@ USEMEMFUNC(ExplicitlyImportInstantiatedTemplate<int>, func)
 // MS: A dll attribute propagates through multiple levels of instantiation.
 template <typename T> struct TopClass { void func() {} };
 template <typename T> struct MiddleClass : public TopClass<T> { };
-struct __declspec(dllexport) BottomClas : public MiddleClass<int> { };
+struct __declspec(dllexport) BottomClass : public MiddleClass<int> { };
 USEMEMFUNC(TopClass<int>, func)
 // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$TopClass@H@@QAEXXZ"
 // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN8TopClassIiE4funcEv

clang/test/CodeGenCXX/dllimport.cpp

@@ -765,7 +765,7 @@ USEMEMFUNC(ExplicitlyImportInstantiatedTemplate<int>, func)
 // MS: A dll attribute propagates through multiple levels of instantiation.
 template <typename T> struct TopClass { void func() {} };
 template <typename T> struct MiddleClass : public TopClass<T> { };
-struct __declspec(dllimport) BottomClas : public MiddleClass<int> { };
+struct __declspec(dllimport) BottomClass : public MiddleClass<int> { };
 USEMEMFUNC(TopClass<int>, func)
 // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$TopClass@H@@QAEXXZ"
 // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN8TopClassIiE4funcEv

clang/tools/libclang/CIndexDiagnostic.cpp

@@ -412,7 +412,7 @@ unsigned clang_getDiagnosticCategory(CXDiagnostic Diag) {
 }
   
 CXString clang_getDiagnosticCategoryName(unsigned Category) {
-  // Kept for backwards compatibility.
+  // Kept for backward compatibility.
   return cxstring::createRef(DiagnosticIDs::getCategoryNameFromID(Category));
 }
   

clang/tools/scan-build/sorttable.js

@@ -55,7 +55,7 @@ sorttable = {
     // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as
     // "total" rows, for example). This is B&R, since what you're supposed
     // to do is put them in a tfoot. So, if there are sortbottom rows,
-    // for backwards compatibility, move them to tfoot (creating it if needed).
+    // for backward compatibility, move them to tfoot (creating it if needed).
     sortbottomrows = [];
     for (var i=0; i<table.rows.length; i++) {
       if (table.rows[i].className.search(/\bsortbottom\b/) != -1) {

clang/utils/TableGen/NeonEmitter.cpp

@@ -2093,9 +2093,8 @@ NeonEmitter::genIntrinsicRangeCheckCode(raw_ostream &OS,
     // their own builtin as they use the non-splat variant.
     if (Def->hasSplat())
       continue;
-    // Functions which do not have an immediate do not ned to have range
-    // checking
-    // code emitted.
+    // Functions which do not have an immediate do not need to have range
+    // checking code emitted.
     if (!Def->hasImmediate())
       continue;
     if (Emitted.find(Def->getMangledName()) != Emitted.end())
@@ -2121,7 +2120,7 @@ NeonEmitter::genIntrinsicRangeCheckCode(raw_ostream &OS,
 
       UpperBound = utostr(Def->getReturnType().getElementSizeInBits() - 1);
     } else if (R->getValueAsBit("isShift")) {
-      // Builtins which are overloaded by type will need to have thier upper
+      // Builtins which are overloaded by type will need to have their upper
       // bound computed at Sema time based on the type constant.
 
       // Right shifts have an 'r' in the name, left shifts do not.