[gardening] Fix recently introduced typos

docs/StringManifesto.md

@@ -639,7 +639,7 @@ takesAnArrayOfSubstring(arrayOfString.map { $0[] })
 
 As we have seen, all three options above have downsides, but it's possible
 these downsides could be eliminated/mitigated by the compiler. We are proposing
-one such mitigation--implicit conversion--as part of the the "different type,
+one such mitigation--implicit conversion--as part of the "different type,
 shared storage" option, to help avoid the cognitive load on developers of
 having to deal with a separate `Substring` type.
 

include/swift/AST/Decl.h

@@ -326,7 +326,7 @@ class alignas(1 << DeclAlignInBits) Decl {
     /// the enum type.
     unsigned Recursiveness : 2;
 
-    /// \brief Whther or not this element has an associated value.
+    /// \brief Whether or not this element has an associated value.
     unsigned HasArgumentType : 1;
   };
   enum { NumEnumElementDeclBits = NumValueDeclBits + 3 };

include/swift/AST/SubstitutionMap.h

@@ -39,7 +39,7 @@
 namespace swift {
 
 class GenericSignature;
-class CenericEnvironment;
+class GenericEnvironment;
 class SubstitutableType;
 
 template<class Type> class CanTypeWrapper;

include/swift/AST/Types.h

@@ -2828,7 +2828,7 @@ class SILParameterInfo {
   /// storage. Therefore they will be passed using an indirect formal
   /// convention, and this method will return an address type. However, in
   /// canonical SIL the opaque arguments might not have an address type.
-  SILType getSILStorageType() const; // in SILFunctioConventions.h
+  SILType getSILStorageType() const; // in SILFunctionConventions.h
 
   /// Return a version of this parameter info with the type replaced.
   SILParameterInfo getWithType(CanType type) const {
@@ -2925,7 +2925,7 @@ class SILResultInfo {
   /// storage. Therefore they will be returned using an indirect formal
   /// convention, and this method will return an address type. However, in
   /// canonical SIL the opaque results might not have an address type.
-  SILType getSILStorageType() const; // in SILFunctioConventions.h
+  SILType getSILStorageType() const; // in SILFunctionConventions.h
 
   /// Return a version of this result info with the type replaced.
   SILResultInfo getWithType(CanType type) const {
@@ -3239,7 +3239,7 @@ class SILFunctionType final : public TypeBase, public llvm::FoldingSetNode,
   // substituted SIL types match, a formal direct argument may not be passed
   // to a formal indirect parameter and vice-versa. Hence, the formally
   // indirect property, not the SIL indirect property, should be consulted to
-  // determine whether function reabstraction is necesary.
+  // determine whether function reabstraction is necessary.
   unsigned getNumIndirectFormalResults() const {
     return NumIndirectFormalResults;
   }

include/swift/Basic/Demangle.h

@@ -232,7 +232,7 @@ class Demangler;
 /// It owns the allocated nodes which are created during demangling.
 /// It is always preferable to use the demangling via this context class as it
 /// ensures efficient memory management. Especially if demangling is done for
-/// multiple symbols. Typecial usage:
+/// multiple symbols. Typical usage:
 /// \code
 ///   Context Ctx;
 ///   for (...) {

include/swift/SIL/SILFunctionConventions.h

@@ -19,7 +19,7 @@
 // The primary purpose of this API is mapping the formal SIL parameter and
 // result conventions onto the SIL argument types. The "formal" conventions are
 // immutably associated with a SILFunctionType--a SIL function's type
-// information never changes. The SIL convenentions determine how those formal
+// information never changes. The SIL conventions determine how those formal
 // conventions will be represented in the body of SIL functions and at call
 // sites.
 //

include/swift/SIL/SILInstruction.h

@@ -3904,7 +3904,7 @@ class OpenExistentialAddrInst
                           SILType SelfTy);
 };
 
-/// Given an opaque value refering to an existential, "opens" the
+/// Given an opaque value referring to an existential, "opens" the
 /// existential by returning a pointer to a fresh archetype T, which also
 /// captures the (dynamic) conformances.
 class OpenExistentialOpaqueInst

include/swift/SIL/SILModule.h

@@ -8,7 +8,7 @@
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
-//===---------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // This file defines the SILModule class.
 //

lib/AST/Decl.cpp

@@ -3018,7 +3018,7 @@ void ProtocolDecl::computeRequirementSignature() {
                   genericSig->getRequirements().size() == 1;
   if (!validSig) {
     // This doesn't look like a protocol we can handle, so some other error must
-    // have occured (usually a protocol nested within another declaration)
+    // have occurred (usually a protocol nested within another declaration)
     return;
   }
 

lib/AST/GenericSignatureBuilder.cpp

@@ -2225,14 +2225,14 @@ static void sameTypeDFS(PotentialArchetype *pa,
 /// spanning tree among the connected components formed by only the implied
 /// same-type requirements within the equivalence class of \c rep.
 ///
-/// The equivalance class of the given representative potential archetype
+/// The equivalence class of the given representative potential archetype
 /// (\c rep) contains all potential archetypes that are made equivalent by
 /// the known set of same-type constraints, which includes both directly-
 /// stated same-type constraints (e.g., \c T.A == T.B) as well as same-type
 /// constraints that are implied either because the names coincide (e.g.,
 /// \c T[.P1].A == T[.P2].A) or due to a requirement in a protocol.
 ///
-/// The equivalance class of the given representative potential archetype
+/// The equivalence class of the given representative potential archetype
 /// (\c rep) is formed from a graph whose vertices are the potential archetypes
 /// and whose edges are the same-type constraints. These edges include both
 /// directly-stated same-type constraints (e.g., \c T.A == T.B) as well as
@@ -2318,7 +2318,7 @@ void GenericSignatureBuilder::enumerateRequirements(llvm::function_ref<
                        compareDependentTypes);
 
   // Track the anchors for each of the implied connected components within the
-  // equivalance class of each representative.
+  // equivalence class of each representative.
   llvm::DenseMap<PotentialArchetype *, SmallVector<PotentialArchetype *, 2>>
     sameTypeComponentAnchors;
   auto getSameTypeComponentAnchors =
@@ -2346,7 +2346,7 @@ void GenericSignatureBuilder::enumerateRequirements(llvm::function_ref<
     std::function<void()> deferredSameTypeRequirement;
 
     if (knownAnchor != componentAnchors.end()) {
-      // If this equivalance class is bound to a concrete type, equate the
+      // If this equivalence class is bound to a concrete type, equate the
       // anchor with a concrete type.
       if (auto concreteType = rep->getConcreteType()) {
         f(RequirementKind::SameType, archetype, concreteType,

lib/LLVMPasses/LLVMMergeFunctions.cpp

@@ -93,7 +93,7 @@ class SwiftFunctionComparator : FunctionComparator {
 
   int cmpBasicBlocksIgnoringConsts(const BasicBlock *BBL, const BasicBlock *BBR);
 
-  int compareIngoringConsts();
+  int compareIgnoringConsts();
 };
 
 } // end anonymous namespace
@@ -179,7 +179,7 @@ cmpBasicBlocksIgnoringConsts(const BasicBlock *BBL, const BasicBlock *BBR) {
 }
 
 // Test whether the two functions have equivalent behavior.
-int SwiftFunctionComparator::compareIngoringConsts() {
+int SwiftFunctionComparator::compareIgnoringConsts() {
   beginCompare();
 
   if (int Res = compareSignature())
@@ -259,7 +259,7 @@ class SwiftMergeFunctions : public ModulePass {
       if (LHS.Hash != RHS.Hash)
         return LHS.Hash < RHS.Hash;
       SwiftFunctionComparator FCmp(LHS.First->F, RHS.First->F, GlobalNumbers);
-      return FCmp.compareIngoringConsts() == -1;
+      return FCmp.compareIgnoringConsts() == -1;
     }
   };
   typedef std::set<EquivalenceClass, FunctionNodeCmp> FnTreeType;
@@ -449,9 +449,9 @@ bool SwiftMergeFunctions::doSanityCheck(std::vector<WeakVH> &Worklist) {
         Function *F1 = cast<Function>(*I);
         Function *F2 = cast<Function>(*J);
         int Res1 = SwiftFunctionComparator(F1, F2, &GlobalNumbers).
-                     compareIngoringConsts();
+                     compareIgnoringConsts();
         int Res2 = SwiftFunctionComparator(F2, F1, &GlobalNumbers).
-                     compareIngoringConsts();
+                     compareIgnoringConsts();
 
         // If F1 <= F2, then F2 >= F1, otherwise report failure.
         if (Res1 != -Res2) {
@@ -473,9 +473,9 @@ bool SwiftMergeFunctions::doSanityCheck(std::vector<WeakVH> &Worklist) {
 
           Function *F3 = cast<Function>(*K);
           int Res3 = SwiftFunctionComparator(F1, F3, &GlobalNumbers).
-                       compareIngoringConsts();
+                       compareIgnoringConsts();
           int Res4 = SwiftFunctionComparator(F2, F3, &GlobalNumbers).
-                       compareIngoringConsts();
+                       compareIgnoringConsts();
 
           bool Transitive = true;
 

lib/SIL/SILOwnershipVerifier.cpp

@@ -707,8 +707,8 @@ OwnershipUseCheckerResult OwnershipCompatibilityUseChecker::visitNonTrivialEnum(
 OwnershipUseCheckerResult
 OwnershipCompatibilityUseChecker::visitApplyArgument(ValueOwnershipKind Kind,
                                                      bool ShouldCheck) {
-  // Check if we have an enum. If not, then we just check against the passed inc
-  // onvention.
+  // Check if we have an enum. If not, then we just check against the passed in
+  // convention.
   EnumDecl *E = getType().getEnumOrBoundGenericEnum();
   if (!E) {
     return {compatibleWithOwnership(Kind), ShouldCheck};

lib/SIL/TransitivelyUnreachableBlocks.h

@@ -1,5 +1,4 @@
-//===--- TransitivelyUnreachableBlocksInfo.h
-//----------------------------------===//
+//===--- TransitivelyUnreachableBlocks.h ------------------------*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

lib/SILOptimizer/Mandatory/AddressLowering.cpp

@@ -2,7 +2,7 @@
 //
 // This source file is part of the Swift.org open source project
 //
-// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
+// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
 // Licensed under Apache License v2.0 with Runtime Library Exception
 //
 // See https://swift.org/LICENSE.txt for license information
@@ -487,7 +487,7 @@ void OpaqueStorageAllocation::allocateForResults(SILInstruction *origInst) {
     args[firstResultIdx] = addr;
   }
   // Allocate storage for any unused or concrete results. One for each missing
-  // entry in the the SIL arguments list.
+  // entry in the SIL arguments list.
   unsigned argIdx = firstResultIdx;
   for (SILType resultTy : loweredFnConv.getIndirectSILResultTypes()) {
     if (!args[argIdx]) {
@@ -529,7 +529,7 @@ void OpaqueStorageAllocation::allocateForResults(SILInstruction *origInst) {
   }
   origInst->replaceAllUsesWith(callInst);
   pass.instsToDelete.insert(origInst);
-  // Load an concrete args, and mark the extract for deletion.
+  // Load a concrete args, and mark the extract for deletion.
   for (TupleExtractInst *extract : concreteResults) {
     unsigned argIdx = firstResultIdx + extract->getFieldNo();
     SILValue arg = args[argIdx];

lib/SILOptimizer/Utils/Devirtualize.cpp

@@ -618,7 +618,7 @@ DevirtualizationResult swift::devirtualizeClassMethod(FullApplySite AI,
   }
 
   auto ParamArgIter = AI.getArgumentsWithoutIndirectResults().begin();
-  // Skip the last paramater, which is `self`. Add it below.
+  // Skip the last parameter, which is `self`. Add it below.
   for (auto param : substConv.getParameters().drop_back()) {
     auto paramType = substConv.getSILType(param);
     NewArgs.push_back(

lib/SILOptimizer/Utils/Generics.cpp

@@ -200,7 +200,7 @@ void ReabstractionInfo::createSubstitutedAndSpecializedTypes() {
 
   // Produce a specialized type, which is the substituted type with
   // the parameters/results passing conventions adjusted according
-  // to the converions selected above.
+  // to the conversions selected above.
   SpecializedType = createSpecializedType(SubstitutedType, M);
 }
 
@@ -748,7 +748,7 @@ SILArgument *ReabstractionThunkGenerator::convertReabstractionThunkArguments(
 
   assert(specConv.useLoweredAddresses());
 
-  // ReInfo.NumIndirectResults correponds to SubstTy's formal indirect
+  // ReInfo.NumIndirectResults corresponds to SubstTy's formal indirect
   // results. SpecTy may have fewer formal indirect results.
   assert(SubstType->getNumIndirectFormalResults()
          >= SpecType->getNumIndirectFormalResults());
@@ -763,7 +763,7 @@ SILArgument *ReabstractionThunkGenerator::convertReabstractionThunkArguments(
         EntryBB->createFunctionArgument(SpecArg->getType(), SpecArg->getDecl());
     Arguments.push_back(NewArg);
   };
-  // ReInfo.NumIndirectResults correponds to SubstTy's formal indirect
+  // ReInfo.NumIndirectResults corresponds to SubstTy's formal indirect
   // results. SpecTy may have fewer formal indirect results.
   assert(SubstType->getNumIndirectFormalResults()
          >= SpecType->getNumIndirectFormalResults());

stdlib/public/SDK/os/os_log.m

@@ -71,7 +71,7 @@
 
 typedef struct {
     os_log_fmt_cmd_flags_t cmd_flags : 4;
-    os_log_fmt_cmd_type_t  cmd_type : 4;
+    os_log_fmt_cmd_type_t cmd_type : 4;
     uint8_t cmd_size;
     uint8_t cmd_data[];
 } os_log_fmt_cmd_s, *os_log_fmt_cmd_t;

stdlib/public/core/Builtin.swift

@@ -677,7 +677,7 @@ func _trueAfterDiagnostics() -> Builtin.Int1 {
 ///     // Smile! 😀
 ///
 /// In this example, accessing the `text` property of the `smileyType` metatype
-/// retrieves the overriden value from the `EmojiSmiley` subclass, instead of
+/// retrieves the overridden value from the `EmojiSmiley` subclass, instead of
 /// the `Smiley` class's original definition.
 ///
 /// Normally, you don't need to be aware of the difference between concrete and

stdlib/public/core/Collection.swift

@@ -489,7 +489,7 @@ public struct IndexingIterator<
 /// You can access a slice of a collection through its ranged subscript or by
 /// calling methods like `prefix(_:)` or `suffix(from:)`. A slice of a
 /// collection can contain zero or more of the original collection's elements
-/// and shares the the original collection's semantics.
+/// and shares the original collection's semantics.
 ///
 /// The following example, creates a `firstWord` constant by using the
 /// `prefix(_:)` method to get a slice of the `text` string's `characters`

stdlib/public/runtime/ImageInspectionELF.cpp

@@ -88,13 +88,13 @@ static int iteratePHDRCallback(struct dl_phdr_info *info,
   // While dl_iterate_phdr() is in progress it holds a lock to prevent other
   // images being loaded. The initialize flag is set here inside the callback so
   // that addNewDSOImage() sees a consistent state. If it was set outside the
-  // dl_interate_phdr() call then it could result in images being missed or
+  // dl_iterate_phdr() call then it could result in images being missed or
   // added twice.
   inspectArgs->didInitializeLookup = true;
 
   if (fname == nullptr || fname[0] == '\0') {
     // The filename may be null for both the dynamic loader and main executable.
-    // So ignore null image name here and explictly add the main executable
+    // So ignore null image name here and explicitly add the main executable
     // in initialize*Lookup() to avoid adding the data twice.
     return 0;
   }
@@ -142,7 +142,7 @@ void swift::initializeTypeMetadataRecordLookup() {
 
 // As ELF images are loaded, ImageInspectionInit:sectionDataInit() will call
 // addNewDSOImage() with an address in the image that can later be used via
-// dladdr() to dlopen() the image after the appropiate initialize*Lookup()
+// dladdr() to dlopen() the image after the appropriate initialize*Lookup()
 // function has been called.
 SWIFT_RUNTIME_EXPORT
 void swift_addNewDSOImage(const void *addr) {

test/IRGen/boxed_existential.sil

@@ -61,8 +61,8 @@ entry(%b : $Error):
 
 struct Str : Error { }
 
-// CHECK-LABEL: define{{( protected)?}} void @alloc_deallc_box_with_concrete_type
-sil @alloc_deallc_box_with_concrete_type : $@convention(thin) () -> () {
+// CHECK-LABEL: define{{( protected)?}} void @alloc_dealloc_box_with_concrete_type
+sil @alloc_dealloc_box_with_concrete_type : $@convention(thin) () -> () {
 bb0:
   // CHECK: call {{.*}} @swift_allocError
   %b = alloc_existential_box $Error, $Str

test/SILGen/materializeForSet.swift

@@ -385,7 +385,7 @@ func inoutAccessOfStaticProperty<T : Beverage>(_ t: T.Type) {
   increment(&t.abv)
 }
 
-// Test for materializeForSet vs overriden computed property of classes.
+// Test for materializeForSet vs overridden computed property of classes.
 class BaseForOverride {
   var valueStored: Int
   var valueComputed: Int { get { } set { } }