Merge pull request #814 from practicalswift/typo-fixes-20151229b

LGTM

Author: trentxintong

lib/IRGen/GenProto.cpp

@@ -2060,7 +2060,7 @@ emitReturnOfCheckedLoadFromCache(IRGenFunction &IGF, Address destTable,
   result->addIncoming(fetchedResult, fetchedResultBB);
 }
 
-/// Within an metadata or witness-table accessor on this conformance, bind
+/// Within a metadata or witness-table accessor on this conformance, bind
 /// the type metadata and witness tables for all the associated types.
 void WitnessTableBuilder::bindArchetypes(IRGenFunction &IGF,
                                          llvm::Value *selfMetadata) {

lib/IRGen/GenProto.h

@@ -48,7 +48,7 @@ namespace irgen {
                               ProtocolConformance *conformance,
                               Explosion &out);
 
-  /// Given a type T and an associated type X of some protoocol P to
+  /// Given a type T and an associated type X of some protocol P to
   /// which T conforms, return the type metadata for T.X.
   ///
   /// \param parentMetadata - the type metadata for T

lib/SILOptimizer/Transforms/DeadStoreElimination.cpp

@@ -448,7 +448,7 @@ void BlockState::init(DSEContext &Ctx, bool OneIterationFunction)  {
   std::vector<LSLocation> &LV = Ctx.getLocationVault();
   LocationNum = LV.size();
   // For function that requires just 1 iteration of the data flow to converge
-  // we set the initiali state of BBWriteSetIn to 0.
+  // we set the initial state of BBWriteSetIn to 0.
   //
   // For other functions, the initial state of BBWriteSetIn should be all 1's.
   // Otherwise the dataflow solution could be too conservative.