Fix typos in comments, NFC

Summary: Just fixing comments, no functional change.

Test Plan: N/A

Reviewers: jfb

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D5130

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216784 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/LazyCallGraph.h

@@ -537,7 +537,7 @@ public:
 
   static void *ID() { return (void *)&PassID; }
 
-  /// \brief Compute the \c LazyCallGraph for a the module \c M.
+  /// \brief Compute the \c LazyCallGraph for the module \c M.
   ///
   /// This just builds the set of entry points to the call graph. The rest is
   /// built lazily as it is walked.

include/llvm/Analysis/PostDominators.h

@@ -19,7 +19,7 @@
 namespace llvm {
 
 /// PostDominatorTree Class - Concrete subclass of DominatorTree that is used to
-/// compute the a post-dominator tree.
+/// compute the post-dominator tree.
 ///
 struct PostDominatorTree : public FunctionPass {
   static char ID; // Pass identification, replacement for typeid

include/llvm/Analysis/TargetTransformInfo.h

@@ -183,7 +183,7 @@ public:
   /// should probably move to simpler cost metrics using the above.
   /// Alternatively, we could split the cost interface into distinct code-size
   /// and execution-speed costs. This would allow modelling the core of this
-  /// query more accurately as the a call is a single small instruction, but
+  /// query more accurately as a call is a single small instruction, but
   /// incurs significant execution cost.
   virtual bool isLoweredToCall(const Function *F) const;
 

include/llvm/CodeGen/MachinePostDominators.h

@@ -22,7 +22,7 @@ namespace llvm {
 
 ///
 /// PostDominatorTree Class - Concrete subclass of DominatorTree that is used
-/// to compute the a post-dominator tree.
+/// to compute the post-dominator tree.
 ///
 struct MachinePostDominatorTree : public MachineFunctionPass {
 private:

include/llvm/CodeGen/SelectionDAG.h

@@ -749,7 +749,7 @@ public:
                    SDValue SV, unsigned Align);
 
   /// getAtomicCmpSwap - Gets a node for an atomic cmpxchg op. There are two
-  /// valid Opcodes. ISD::ATOMIC_CMO_SWAP produces a the value loaded and a
+  /// valid Opcodes. ISD::ATOMIC_CMO_SWAP produces the value loaded and a
   /// chain result. ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS produces the value loaded,
   /// a success flag (initially i1), and a chain.
   SDValue getAtomicCmpSwap(unsigned Opcode, SDLoc dl, EVT MemVT, SDVTList VTs,

include/llvm/IR/IRBuilder.h

@@ -446,7 +446,7 @@ private:
 /// The first template argument handles whether or not to preserve names in the
 /// final instruction output. This defaults to on.  The second template argument
 /// specifies a class to use for creating constants.  This defaults to creating
-/// minimally folded constants.  The fourth template argument allows clients to
+/// minimally folded constants.  The third template argument allows clients to
 /// specify custom insertion hooks that are called on every newly created
 /// insertion.
 template<bool preserveNames = true, typename T = ConstantFolder,

include/llvm/IR/Instructions.h

@@ -135,7 +135,7 @@ public:
     return getSubclassDataFromInstruction() & 32;
   }
 
-  /// \brief Specify whether this alloca is used to represent a the arguments to
+  /// \brief Specify whether this alloca is used to represent the arguments to
   /// a call.
   void setUsedWithInAlloca(bool V) {
     setInstructionSubclassData((getSubclassDataFromInstruction() & ~32) |

include/llvm/IR/Type.h

@@ -323,7 +323,7 @@ public:
   }
 
   /// getContainedType - This method is used to implement the type iterator
-  /// (defined a the end of the file).  For derived types, this returns the
+  /// (defined at the end of the file).  For derived types, this returns the
   /// types 'contained' in the derived type.
   ///
   Type *getContainedType(unsigned i) const {

include/llvm/MC/MCAsmInfo.h

@@ -87,7 +87,7 @@ protected:
   bool HasMachoTBSSDirective;
 
   /// True if the compiler should emit a ".reference .constructors_used" or
-  /// ".reference .destructors_used" directive after the a static ctor/dtor
+  /// ".reference .destructors_used" directive after the static ctor/dtor
   /// list.  This directive is only emitted in Static relocation model.  Default
   /// is false.
   bool HasStaticCtorDtorReferenceInStaticMode;