Standardize header file comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8782 91177308-0d34-0410-b5e6-96231b3b80d8

include/Support/BitSetVector.h

@@ -1,13 +1,11 @@
-//===-- BitVectorSet.h - A bit-vector representation of sets -----*- C++ -*--=//
+//===-- BitVectorSet.h - A bit-vector representation of sets ----*- C++ -*-===//
 //
-// class BitVectorSet --
+// This is an implementation of the bit-vector representation of sets.  Unlike
-// 
+// vector<bool>, this allows much more efficient parallel set operations on
-// An implementation of the bit-vector representation of sets.
+// bits, by using the bitset template.  The bitset template unfortunately can
-// Unlike vector<bool>, this allows much more efficient parallel set
+// only represent sets with a size chosen at compile-time.  We therefore use a
-// operations on bits, by using the bitset template .  The bitset template
+// vector of bitsets.  The maxmimum size of our sets (i.e., the size of the
-// unfortunately can only represent sets with a size chosen at compile-time.
+// universal set) can be chosen at creation time.
-// We therefore use a vector of bitsets.  The maxmimum size of our sets
-// (i.e., the size of the universal set) can be chosen at creation time.
 //
 // External functions:
 // 

include/Support/Casting.h

@@ -1,4 +1,4 @@
-//===-- Support/Casting.h - Allow flexible, checked, casts -------*- C++ -*--=//
+//===-- Support/Casting.h - Allow flexible, checked, casts ------*- C++ -*-===//
 //
 // This file defines the isa<X>(), cast<X>(), dyn_cast<X>(), cast_or_null<X>(),
 // and dyn_cast_or_null<X>() templates.

include/Support/CommandLine.h

@@ -1,4 +1,4 @@
-//===- Support/CommandLine.h - Flexible Command line parser ------*- C++ -*--=//
+//===- Support/CommandLine.h - Flexible Command line parser -----*- C++ -*-===//
 //
 // This class implements a command line argument processor that is useful when
 // creating a tool.  It provides a simple, minimalistic interface that is easily

include/Support/DOTGraphTraits.h

@@ -1,4 +1,4 @@
-//===-- Support/DotGraphTraits.h - Customize .dot output -------*- C++ -*--===//
+//===-- Support/DotGraphTraits.h - Customize .dot output --------*- C++ -*-===//
 //
 // This file defines a template class that can be used to customize dot output
 // graphs generated by the GraphWriter.h file.  The default implementation of

include/Support/DataTypes.h

@@ -1,4 +1,4 @@
-//===-- include/Support/DataTypes.h - Define fixed size types ----*- C++ -*--=//
+//===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===//
 //
 // This file contains definitions to figure out the size of _HOST_ data types.
 // This file is important because different host OS's define different macros,

include/Support/DepthFirstIterator.h

@@ -1,4 +1,4 @@
-//===- Support/DepthFirstIterator.h - Depth First iterator -------*- C++ -*--=//
+//===- Support/DepthFirstIterator.h - Depth First iterator ------*- C++ -*-===//
 //
 // This file builds on the Support/GraphTraits.h file to build generic depth
 // first graph iterator.

include/Support/EquivalenceClasses.h

@@ -1,12 +1,11 @@
-//===-- Support/EquivalenceClasses.h -------------------------*- C++ -*--=//
+//===-- Support/EquivalenceClasses.h ----------------------------*- C++ -*-===//
 // 
-// Generic implementation of equivalence classes and implementation of 
+// Generic implementation of equivalence classes and implementation of
-// union-find algorithms
+// union-find algorithms A not-so-fancy implementation: 2 level tree i.e root
-// A not-so-fancy implementation: 2 level tree i.e root and one more level
+// and one more level Overhead of a union = size of the equivalence class being
-// Overhead of a union = size of the equivalence class being attached
+// attached Overhead of a find = 1.
-// Overhead of a find = 1.
 // 
-//===------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
 
 #ifndef SUPPORT_EQUIVALENCECLASSES_H
 #define SUPPORT_EQUIVALENCECLASSES_H
@@ -68,7 +67,6 @@ public:
       return EqClass;
     
     ElemTy classLeader = Elem2ECLeaderMap[Element1];
-
     for (typename std::map<ElemTy, ElemTy>::iterator ElemI = 
 	   Elem2ECLeaderMap.begin(), ElemE = Elem2ECLeaderMap.end(); 
 	 ElemI != ElemE; ++ElemI) {
@@ -77,13 +75,11 @@ public:
     }
     
     return EqClass;
-    
   }
 
   std::map<ElemTy, ElemTy>& getLeaderMap() {
     return Elem2ECLeaderMap ;
   }
-  
 };
 
 #endif

include/Support/GraphTraits.h

@@ -1,4 +1,4 @@
-//===-- Support/GraphTraits.h - Graph traits template ------------*- C++ -*--=//
+//===-- Support/GraphTraits.h - Graph traits template -----------*- C++ -*-===//
 //
 // This file defines the little GraphTraits<X> template class that should be 
 // specialized by classes that want to be iteratable by generic graph iterators.

include/Support/GraphWriter.h

@@ -1,4 +1,4 @@
-//===-- Support/GraphWriter.h - Write a graph to a .dot file ---*- C++ -*--===//
+//===-- Support/GraphWriter.h - Write a graph to a .dot file ----*- C++ -*-===//
 //
 // This file defines a simple interface that can be used to print out generic
 // LLVM graphs to ".dot" files.  "dot" is a tool that is part of the AT&T

include/Support/HashExtras.h

@@ -1,4 +1,4 @@
-//===-- HashExtras.h - Useful functions for STL hash containers --*- C++ -*--=//
+//===-- HashExtras.h - Useful functions for STL hash containers -*- C++ -*-===//
 //
 // This file contains some templates that are useful if you are working with the
 // STL Hashed containers.

include/Support/MathExtras.h

@@ -1,4 +1,4 @@
-//===-- Support/MathExtras.h - Useful math functions -------------*- C++ -*--=//
+//===-- Support/MathExtras.h - Useful math functions ------------*- C++ -*-===//
 //
 // This file contains some functions that are useful for math stuff.
 //

include/Support/PostOrderIterator.h

@@ -1,4 +1,4 @@
-//===-- Support/PostOrderIterator.h - Generic PostOrder iterator -*- C++ -*--=//
+//===- Support/PostOrderIterator.h - Generic PostOrder iterator -*- C++ -*-===//
 //
 // This file builds on the Support/GraphTraits.h file to build a generic graph
 // post order iterator.  This should work over any graph type that has a

include/Support/STLExtras.h

@@ -1,4 +1,4 @@
-//===-- STLExtras.h - Useful functions when working with the STL -*- C++ -*--=//
+//===- STLExtras.h - Useful functions when working with the STL -*- C++ -*-===//
 //
 // This file contains some templates that are useful if you are working with the
 // STL at all.

include/Support/SetOperations.h

@@ -1,4 +1,4 @@
-//===-- Support/SetOperations.h - Generic Set Operations ---------*- C++ -*--=//
+//===-- Support/SetOperations.h - Generic Set Operations --------*- C++ -*-===//
 //
 // This file defines generic set operations that may be used on set's of
 // different types, and different element types.

include/Support/Signals.h

@@ -1,4 +1,4 @@
-//===- Support/Signals.h - Signal Handling support -------------*- C++ -*-===//
+//===- Support/Signals.h - Signal Handling support --------------*- C++ -*-===//
 //
 // This file defines some helpful functions for dealing with the possibility of
 // unix signals occuring while your program is running.

include/Support/StringExtras.h

@@ -1,4 +1,4 @@
-//===-- Support/StringExtras.h - Useful string functions ---------*- C++ -*--=//
+//===-- Support/StringExtras.h - Useful string functions --------*- C++ -*-===//
 //
 // This file contains some functions that are useful when dealing with strings.
 //

include/Support/SystemUtils.h

@@ -1,4 +1,4 @@
-//===- SystemUtils.h - Utilities to do low-level system stuff --*- C++ -*--===//
+//===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===//
 //
 // This file contains functions used to do a variety of low-level, often
 // system-specific, tasks.

include/Support/Tree.h

@@ -1,4 +1,4 @@
-//===- Support/Tree.h - Generic n-way tree structure -------------*- C++ -*--=//
+//===- Support/Tree.h - Generic n-way tree structure ------------*- C++ -*-===//
 //
 // This class defines a generic N way tree node structure.  The tree structure
 // is immutable after creation, but the payload contained within it is not.

include/Support/TypeInfo.h

@@ -1,4 +1,4 @@
-//===- Support/TypeInfo.h - Support class for type_info objects --*- C++ -*--=//
+//===- Support/TypeInfo.h - Support class for type_info objects -*- C++ -*-===//
 //
 // This class makes std::type_info objects behave like first class objects that
 // can be put in maps and hashtables.  This code is based off of code in the

include/Support/hash_map

@@ -1,5 +1,4 @@
 //===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===//
-// vim:ft=cpp
 // 
 // This file provides a wrapper around the mysterious <hash_map> header file
 // that seems to move around between GCC releases into and out of namespaces at

include/Support/ilist

@@ -1,4 +1,4 @@
-//===-- <Support/ilist> - Intrusive Linked List Template ---------*- C++ -*--=//
+//===-- Support/ilist - Intrusive Linked List Template ----------*- C++ -*-===//
 //
 // This file defines classes to implement an intrusive doubly linked list class
 // (ie each node of the list must contain a next and previous field for the

include/llvm/ADT/BitSetVector.h

@@ -1,13 +1,11 @@
-//===-- BitVectorSet.h - A bit-vector representation of sets -----*- C++ -*--=//
+//===-- BitVectorSet.h - A bit-vector representation of sets ----*- C++ -*-===//
 //
-// class BitVectorSet --
+// This is an implementation of the bit-vector representation of sets.  Unlike
-// 
+// vector<bool>, this allows much more efficient parallel set operations on
-// An implementation of the bit-vector representation of sets.
+// bits, by using the bitset template.  The bitset template unfortunately can
-// Unlike vector<bool>, this allows much more efficient parallel set
+// only represent sets with a size chosen at compile-time.  We therefore use a
-// operations on bits, by using the bitset template .  The bitset template
+// vector of bitsets.  The maxmimum size of our sets (i.e., the size of the
-// unfortunately can only represent sets with a size chosen at compile-time.
+// universal set) can be chosen at creation time.
-// We therefore use a vector of bitsets.  The maxmimum size of our sets
-// (i.e., the size of the universal set) can be chosen at creation time.
 //
 // External functions:
 // 

include/llvm/ADT/DepthFirstIterator.h

@@ -1,4 +1,4 @@
-//===- Support/DepthFirstIterator.h - Depth First iterator -------*- C++ -*--=//
+//===- Support/DepthFirstIterator.h - Depth First iterator ------*- C++ -*-===//
 //
 // This file builds on the Support/GraphTraits.h file to build generic depth
 // first graph iterator.

include/llvm/ADT/EquivalenceClasses.h

@@ -1,12 +1,11 @@
-//===-- Support/EquivalenceClasses.h -------------------------*- C++ -*--=//
+//===-- Support/EquivalenceClasses.h ----------------------------*- C++ -*-===//
 // 
-// Generic implementation of equivalence classes and implementation of 
+// Generic implementation of equivalence classes and implementation of
-// union-find algorithms
+// union-find algorithms A not-so-fancy implementation: 2 level tree i.e root
-// A not-so-fancy implementation: 2 level tree i.e root and one more level
+// and one more level Overhead of a union = size of the equivalence class being
-// Overhead of a union = size of the equivalence class being attached
+// attached Overhead of a find = 1.
-// Overhead of a find = 1.
 // 
-//===------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
 
 #ifndef SUPPORT_EQUIVALENCECLASSES_H
 #define SUPPORT_EQUIVALENCECLASSES_H
@@ -68,7 +67,6 @@ public:
       return EqClass;
     
     ElemTy classLeader = Elem2ECLeaderMap[Element1];
-
     for (typename std::map<ElemTy, ElemTy>::iterator ElemI = 
 	   Elem2ECLeaderMap.begin(), ElemE = Elem2ECLeaderMap.end(); 
 	 ElemI != ElemE; ++ElemI) {
@@ -77,13 +75,11 @@ public:
     }
     
     return EqClass;
-    
   }
 
   std::map<ElemTy, ElemTy>& getLeaderMap() {
     return Elem2ECLeaderMap ;
   }
-  
 };
 
 #endif

include/llvm/ADT/GraphTraits.h

@@ -1,4 +1,4 @@
-//===-- Support/GraphTraits.h - Graph traits template ------------*- C++ -*--=//
+//===-- Support/GraphTraits.h - Graph traits template -----------*- C++ -*-===//
 //
 // This file defines the little GraphTraits<X> template class that should be 
 // specialized by classes that want to be iteratable by generic graph iterators.

include/llvm/ADT/HashExtras.h

@@ -1,4 +1,4 @@
-//===-- HashExtras.h - Useful functions for STL hash containers --*- C++ -*--=//
+//===-- HashExtras.h - Useful functions for STL hash containers -*- C++ -*-===//
 //
 // This file contains some templates that are useful if you are working with the
 // STL Hashed containers.

include/llvm/ADT/PostOrderIterator.h

@@ -1,4 +1,4 @@
-//===-- Support/PostOrderIterator.h - Generic PostOrder iterator -*- C++ -*--=//
+//===- Support/PostOrderIterator.h - Generic PostOrder iterator -*- C++ -*-===//
 //
 // This file builds on the Support/GraphTraits.h file to build a generic graph
 // post order iterator.  This should work over any graph type that has a

include/llvm/ADT/STLExtras.h

@@ -1,4 +1,4 @@
-//===-- STLExtras.h - Useful functions when working with the STL -*- C++ -*--=//
+//===- STLExtras.h - Useful functions when working with the STL -*- C++ -*-===//
 //
 // This file contains some templates that are useful if you are working with the
 // STL at all.

include/llvm/ADT/SetOperations.h

@@ -1,4 +1,4 @@
-//===-- Support/SetOperations.h - Generic Set Operations ---------*- C++ -*--=//
+//===-- Support/SetOperations.h - Generic Set Operations --------*- C++ -*-===//
 //
 // This file defines generic set operations that may be used on set's of
 // different types, and different element types.

include/llvm/ADT/StringExtras.h

@@ -1,4 +1,4 @@
-//===-- Support/StringExtras.h - Useful string functions ---------*- C++ -*--=//
+//===-- Support/StringExtras.h - Useful string functions --------*- C++ -*-===//
 //
 // This file contains some functions that are useful when dealing with strings.
 //

include/llvm/ADT/Tree.h

@@ -1,4 +1,4 @@
-//===- Support/Tree.h - Generic n-way tree structure -------------*- C++ -*--=//
+//===- Support/Tree.h - Generic n-way tree structure ------------*- C++ -*-===//
 //
 // This class defines a generic N way tree node structure.  The tree structure
 // is immutable after creation, but the payload contained within it is not.

include/llvm/ADT/ilist

@@ -1,4 +1,4 @@
-//===-- <Support/ilist> - Intrusive Linked List Template ---------*- C++ -*--=//
+//===-- Support/ilist - Intrusive Linked List Template ----------*- C++ -*-===//
 //
 // This file defines classes to implement an intrusive doubly linked list class
 // (ie each node of the list must contain a next and previous field for the

include/llvm/AbstractTypeUser.h

@@ -1,4 +1,4 @@
-//===-- llvm/AbstractTypeUser.h - AbstractTypeUser Interface -----*- C++ -*--=//
+//===-- llvm/AbstractTypeUser.h - AbstractTypeUser Interface ----*- C++ -*-===//
 //
 // The AbstractTypeUser class is an interface to be implemented by classes who
 // could possible use an abstract type.  Abstract types are denoted by the

include/llvm/Analysis/CallGraph.h

@@ -1,4 +1,4 @@
-//===- CallGraph.h - Build a Module's call graph -----------------*- C++ -*--=//
+//===- CallGraph.h - Build a Module's call graph ----------------*- C++ -*-===//
 //
 // This interface is used to build and manipulate a call graph, which is a very 
 // useful tool for interprocedural optimization.

include/llvm/Analysis/ConstantsScanner.h

@@ -1,4 +1,4 @@
-//==-- llvm/Analysis/ConstantsScanner.h - Iterate over constants -*- C++ -*-==//
+//==- llvm/Analysis/ConstantsScanner.h - Iterate over constants -*- C++ -*-===//
 //
 // This class implements an iterator to walk through the constants referenced by
 // a method.  This is used by the Bytecode & Assembly writers to build constant

include/llvm/Analysis/Expressions.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/Expressions.h - Expression Analysis Utils ---*- C++ -*--=//
+//===- llvm/Analysis/Expressions.h - Expression Analysis Utils --*- C++ -*-===//
 //
 // This file defines a package of expression analysis utilties:
 //

include/llvm/Analysis/FindUnsafePointerTypes.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/FindUnsafePointerTypes.h - Unsafe pointers ---*- C++ -*-=//
+//===- llvm/Analysis/FindUnsafePointerTypes.h - Unsafe pointers -*- C++ -*-===//
 //
 // This file defines a pass that can be used to determine, interprocedurally, 
 // which pointer types are accessed unsafely in a program.  If there is an

include/llvm/Analysis/FindUsedTypes.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/FindUsedTypes.h - Find all Types in use -----*- C++ -*--=//
+//===- llvm/Analysis/FindUsedTypes.h - Find all Types in use ----*- C++ -*-===//
 //
 // This pass is used to seek out all of the types in use by the program.
 //

include/llvm/Analysis/InstForest.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/InstForest.h - Partition Func into forest ---*- C++ -*--=//
+//===- llvm/Analysis/InstForest.h - Partition Func into forest --*- C++ -*-===//
 //
 // This interface is used to partition a method into a forest of instruction
 // trees, where the following invariants hold:

include/llvm/Analysis/Interval.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/Interval.h - Interval Class Declaration -----*- C++ -*--=//
+//===- llvm/Analysis/Interval.h - Interval Class Declaration ----*- C++ -*-===//
 //
 // This file contains the declaration of the Interval class, which
 // represents a set of CFG nodes and is a portion of an interval partition.

include/llvm/Analysis/IntervalIterator.h

@@ -1,4 +1,4 @@
-//===- IntervalIterator.h - Interval Iterator Declaration --------*- C++ -*--=//
+//===- IntervalIterator.h - Interval Iterator Declaration -------*- C++ -*-===//
 //
 // This file defines an iterator that enumerates the intervals in a control flow
 // graph of some sort.  This iterator is parametric, allowing iterator over the

include/llvm/Analysis/IntervalPartition.h

@@ -1,4 +1,4 @@
-//===- IntervalPartition.h - Interval partition Calculation ------*- C++ -*--=//
+//===- IntervalPartition.h - Interval partition Calculation -----*- C++ -*-===//
 //
 // This file contains the declaration of the IntervalPartition class, which
 // calculates and represents the interval partition of a function, or a

include/llvm/Analysis/LoopInfo.h

@@ -1,4 +1,4 @@
-//===- llvm/Analysis/LoopInfo.h - Natural Loop Calculator --------*- C++ -*--=//
+//===- llvm/Analysis/LoopInfo.h - Natural Loop Calculator -------*- C++ -*-===//
 //
 // This file defines the LoopInfo class that is used to identify natural loops
 // and determine the loop depth of various nodes of the CFG.  Note that natural

include/llvm/Analysis/PostDominators.h

@@ -1,4 +1,4 @@
-//=- llvm/Analysis/PostDominators.h - Post Dominator Calculation -*- C++ -*--=//
+//=- llvm/Analysis/PostDominators.h - Post Dominator Calculation-*- C++ -*-===//
 //
 // This file exposes interfaces to post dominance information.
 //

include/llvm/Analysis/SlotCalculator.h

@@ -1,4 +1,4 @@
-//===-- llvm/SlotCalculator.h - Calculate value slots ------------*- C++ -*-==//
+//===-- llvm/SlotCalculator.h - Calculate value slots -----------*- C++ -*-===//
 //
 // This class calculates the slots that values will land in.  This is useful for
 // when writing bytecode or assembly out, because you have to know these things.

include/llvm/Analysis/Verifier.h

@@ -1,4 +1,4 @@
-//===-- llvm/Analysis/Verifier.h - Module Verifier ---------------*- C++ -*-==//
+//===-- llvm/Analysis/Verifier.h - Module Verifier --------------*- C++ -*-===//
 //
 // This file defines the function verifier interface, that can be used for some
 // sanity checking of input to the system, and for checking that transformations

include/llvm/Assembly/CWriter.h

@@ -1,4 +1,4 @@
-//===-- llvm/Assembly/CWriter.h - C Printer for LLVM programs --*- C++ -*--===//
+//===-- llvm/Assembly/CWriter.h - C Printer for LLVM programs ---*- C++ -*-===//
 //
 // This functionality is implemented by the lib/CWriter library.  This library
 // is used to print C language files to an iostream.

include/llvm/Assembly/CachedWriter.h

@@ -1,4 +1,4 @@
-//===-- llvm/Assembly/CachedWriter.h - Printer Accellerator ------*- C++ -*--=//
+//===-- llvm/Assembly/CachedWriter.h - Printer Accellerator -----*- C++ -*-===//
 //
 // This file defines a 'CacheWriter' class that is used to accelerate printing
 // chunks of LLVM.  This is used when a module is not being changed, but random

include/llvm/Assembly/Parser.h

@@ -1,4 +1,4 @@
-//===-- llvm/Assembly/Parser.h - Parser for VM assembly files ----*- C++ -*--=//
+//===-- llvm/Assembly/Parser.h - Parser for VM assembly files ---*- C++ -*-===//
 //
 //  These classes are implemented by the lib/AsmParser library.
 //
@@ -27,8 +27,7 @@ Module *ParseAssemblyFile(const std::string &Filename);// throw (ParseException)
 // ParseException - For when an exceptional event is generated by the parser.
 // This class lets you print out the exception message
 //
-class ParseException {
+struct ParseException {
-public:
   ParseException(const std::string &filename, const std::string &message, 
 		 int LineNo = -1, int ColNo = -1);
 

include/llvm/Assembly/PrintModulePass.h

@@ -1,4 +1,4 @@
-//===- llvm/Assembly/PrintModulePass.h - Printing Pass -----------*- C++ -*--=//
+//===- llvm/Assembly/PrintModulePass.h - Printing Pass ----------*- C++ -*-===//
 //
 // This file defines two passes to print out a module.  The PrintModulePass pass
 // simply prints out the entire module when it is executed.  The

include/llvm/Assembly/Writer.h

@@ -1,4 +1,4 @@
-//===-- llvm/Assembly/Writer.h - Printer for VM assembly files ---*- C++ -*--=//
+//===-- llvm/Assembly/Writer.h - Printer for VM assembly files --*- C++ -*-===//
 //
 // This functionality is implemented by the lib/Assembly/Writer library.
 // This library is used to print VM assembly language files to an iostream. It
@@ -21,14 +21,12 @@ class Type;
 class Module;
 class Value;
 
-
 // WriteTypeSymbolic - This attempts to write the specified type as a symbolic
 // type, iff there is an entry in the modules symbol table for the specified
 // type or one of it's component types.  This is slower than a simple x << Type;
 //
 std::ostream &WriteTypeSymbolic(std::ostream &, const Type *, const Module *M);
 
-
 // WriteAsOperand - Write the name of the specified value out to the specified
 // ostream.  This can be useful when you just want to print int %reg126, not the
 // whole instruction that generated it.  If you specify a Module for context,

include/llvm/BasicBlock.h

@@ -1,4 +1,4 @@
-//===-- llvm/BasicBlock.h - Represent a basic block in the VM ----*- C++ -*--=//
+//===-- llvm/BasicBlock.h - Represent a basic block in the VM ---*- C++ -*-===//
 ///
 /// \class BasicBlock
 ///

include/llvm/Bytecode/Format.h

@@ -1,4 +1,4 @@
-//===-- llvm/Bytecode/Format.h - VM bytecode file format info ----*- C++ -*--=//
+//===-- llvm/Bytecode/Format.h - VM bytecode file format info ---*- C++ -*-===//
 //
 // This header defines intrinsic constants that are useful to libraries that 
 // need to hack on bytecode files directly, like the reader and writer.
@@ -24,7 +24,7 @@ public:
     ModuleGlobalInfo,
     GlobalTypePlane,
 
-    // Method subtypes:
+    // Function subtypes:
     MethodInfo = 0x21,
     // Can also have ConstantPool block
     // Can also have SymbolTable block

include/llvm/Bytecode/Primitives.h

@@ -1,4 +1,4 @@
-//===-- llvm/Bytecode/Primitives.h - Bytecode file format prims --*- C++ -*--=//
+//===-- llvm/Bytecode/Primitives.h - Bytecode file format prims -*- C++ -*-===//
 //
 // This header defines some basic functions for reading and writing basic 
 // primitive types to a bytecode stream.

include/llvm/Bytecode/Reader.h

@@ -1,4 +1,4 @@
-//===-- llvm/Bytecode/Reader.h - Reader for VM bytecode files ----*- C++ -*--=//
+//===-- llvm/Bytecode/Reader.h - Reader for VM bytecode files ---*- C++ -*-===//
 //
 // This functionality is implemented by the lib/Bytecode/Reader library.
 // This library is used to read VM bytecode files from an iostream.

include/llvm/Bytecode/WriteBytecodePass.h

@@ -1,4 +1,4 @@
-//===- llvm/Bytecode/WriteBytecodePass.h - Bytecode Writer Pass --*- C++ -*--=//
+//===- llvm/Bytecode/WriteBytecodePass.h - Bytecode Writer Pass -*- C++ -*-===//
 //
 // This file defines a simple pass to write the working module to a file after
 // pass processing is completed.

include/llvm/Bytecode/Writer.h

@@ -1,4 +1,4 @@
-//===-- llvm/Bytecode/Writer.h - Writer for VM bytecode files ----*- C++ -*--=//
+//===-- llvm/Bytecode/Writer.h - Writer for VM bytecode files ---*- C++ -*-===//
 //
 // This functionality is implemented by the lib/BytecodeWriter library.
 // This library is used to write VM bytecode files to an iostream.  First, you

include/llvm/CodeGen/InstrForest.h

@@ -1,4 +1,4 @@
-//===-- llvm/CodeGen/InstForest.h ------------------------------*- C++ -*--===//
+//===-- llvm/CodeGen/InstForest.h -------------------------------*- C++ -*-===//
 //
 // Purpose:
 //	Convert SSA graph to instruction trees for instruction selection.

include/llvm/CodeGen/InstrScheduling.h

@@ -1,4 +1,4 @@
-//===-- InstrScheduling.h - Interface To Instruction Scheduling --*- C++ -*-==//
+//===-- InstrScheduling.h - Interface To Instruction Scheduling -*- C++ -*-===//
 //
 // This file defines a minimal, but complete, interface to instruction
 // scheduling.
@@ -21,6 +21,6 @@ class TargetMachine;
 //   are still in SSA form.
 //---------------------------------------------------------------------------
 
-FunctionPass *createInstructionSchedulingWithSSAPass(const TargetMachine &Target);
+FunctionPass *createInstructionSchedulingWithSSAPass(const TargetMachine &TM);
 
 #endif

include/llvm/CodeGen/MachineInstr.h

@@ -1,4 +1,4 @@
-//===-- llvm/CodeGen/MachineInstr.h - MachineInstr class ---------*- C++ -*--=//
+//===-- llvm/CodeGen/MachineInstr.h - MachineInstr class --------*- C++ -*-===//
 //
 // This file contains the declaration of the MachineInstr class, which is the
 // basic representation for all target dependent machine instructions used by
@@ -12,7 +12,6 @@
 #include "llvm/Target/MRegisterInfo.h"
 #include "Support/Annotation.h"
 #include "Support/iterator"
-#include <set>
 
 class Value;
 class Function;

include/llvm/CodeGen/RegisterAllocation.h

@@ -1,4 +1,4 @@
-//===-- CodeGen/RegisterAllocation.h - RegAlloc Pass -------------*- C++ -*--=//
+//===-- CodeGen/RegisterAllocation.h - RegAlloc Pass ------------*- C++ -*-===//
 //
 // This pass register allocates a module, a method at a time.
 //

include/llvm/CodeGen/SchedGraphCommon.h

@@ -1,9 +1,9 @@
-//===-- SchedGraphCommon.h - Scheduling Base Graph ---------------*- C++ -*---=//
+//===-- SchedGraphCommon.h - Scheduling Base Graph --------------*- C++ -*-===//
 //
 // A common graph class that is based on the SSA graph. It includes
 // extra dependencies that are caused by machine resources.
 //
-//===-------------------------------------------------------------------------=// 
+//===----------------------------------------------------------------------===//
 
 #ifndef LLVM_CODEGEN_SCHEDGRAPHCOMMON_H
 #define LLVM_CODEGEN_SCHEDGRAPHCOMMON_H

include/llvm/Constant.h

@@ -1,4 +1,4 @@
-//===-- llvm/Constant.h - Constant class definition --------------*- C++ -*--=//
+//===-- llvm/Constant.h - Constant class definition -------------*- C++ -*-===//
 //
 // This file contains the declaration of the Constant class.
 //

include/llvm/ConstantHandling.h

@@ -1,4 +1,4 @@
-//===-- ConstantHandling.h - Stuff for manipulating constants ----*- C++ -*--=//
+//===-- ConstantHandling.h - Stuff for manipulating constants ---*- C++ -*-===//
 //
 // This file contains the declarations of some cool operators that allow you
 // to do natural things with constant pool values.

include/llvm/Constants.h

@@ -1,4 +1,4 @@
-//===-- llvm/Constants.h - Constant class subclass definitions ---*- C++ -*--=//
+//===-- llvm/Constants.h - Constant class subclass definitions --*- C++ -*-===//
 //
 // This file contains the declarations for the subclasses of Constant, which
 // represent the different type of constant pool values

include/llvm/DerivedTypes.h

@@ -1,4 +1,4 @@
-//===-- llvm/DerivedTypes.h - Classes for handling data types ----*- C++ -*--=//
+//===-- llvm/DerivedTypes.h - Classes for handling data types ---*- C++ -*-===//
 //
 // This file contains the declarations of classes that represent "derived 
 // types".  These are things like "arrays of x" or "structure of x, y, z" or

include/llvm/GlobalValue.h

@@ -1,4 +1,4 @@
-//===-- llvm/GlobalValue.h - Class to represent a global value ---*- C++ -*--=//
+//===-- llvm/GlobalValue.h - Class to represent a global value --*- C++ -*-===//
 //
 // This file is a common base class of all globally definable objects.  As such,
 // it is subclassed by GlobalVariable and by Function.  This is used because you

include/llvm/GlobalVariable.h

@@ -1,4 +1,4 @@
-//===-- llvm/Global.h - Class to represent a global variable -----*- C++ -*--=//
+//===-- llvm/Global.h - Class to represent a global variable ----*- C++ -*-===//
 //
 // This file contains the declaration of the GlobalVariable class, which
 // represents a single global variable (or constant) in the VM.

include/llvm/InstrTypes.h

@@ -1,4 +1,4 @@
-//===-- llvm/InstrTypes.h - Important Instruction subclasses -----*- C++ -*--=//
+//===-- llvm/InstrTypes.h - Important Instruction subclasses ----*- C++ -*-===//
 //
 // This file defines various meta classes of instructions that exist in the VM
 // representation.  Specific concrete subclasses of these may be found in the 

include/llvm/Instruction.def

@@ -1,4 +1,4 @@
-//===-- llvm/Instruction.def - File that describes Instructions --*- C++ -*--=//
+//===-- llvm/Instruction.def - File that describes Instructions -*- C++ -*-===//
 //
 // This file contains descriptions of the various LLVM instructions.  This is
 // used as a central place for enumerating the different instructions and 

include/llvm/Linker.h

@@ -1,4 +1,4 @@
-//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface --*- C++ -*--=//
+//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface -*- C++ -*-===//
 //
 // This file defines the interface to the module linker.
 //

include/llvm/Module.h

@@ -1,4 +1,4 @@
-//===-- llvm/Module.h - C++ class to represent a VM module -------*- C++ -*--=//
+//===-- llvm/Module.h - C++ class to represent a VM module ------*- C++ -*-===//
 //
 // This file contains the declarations for the Module class that is used to 
 // maintain all the information related to a VM module.

include/llvm/Pass.h

@@ -1,4 +1,4 @@
-//===- llvm/Pass.h - Base class for XForm Passes -----------------*- C++ -*--=//
+//===- llvm/Pass.h - Base class for Passes ----------------------*- C++ -*-===//
 //
 // This file defines a base class that indicates that a specified class is a
 // transformation pass implementation.

include/llvm/PassAnalysisSupport.h

@@ -1,4 +1,4 @@
-//===- llvm/PassAnalysisSupport.h - Analysis Pass Support code ---*- C++ -*-==//
+//===- llvm/PassAnalysisSupport.h - Analysis Pass Support code --*- C++ -*-===//
 //
 // This file defines stuff that is used to define and "use" Analysis Passes.
 // This file is automatically #included by Pass.h, so:

include/llvm/PassManager.h

@@ -1,4 +1,4 @@
-//===- llvm/PassManager.h - Container for Passes -----------------*- C++ -*--=//
+//===- llvm/PassManager.h - Container for Passes ----------------*- C++ -*-===//
 //
 // This file defines the PassManager class.  This class is used to hold,
 // maintain, and optimize execution of Passes.  The PassManager class ensures

include/llvm/SlotCalculator.h

@@ -1,4 +1,4 @@
-//===-- llvm/SlotCalculator.h - Calculate value slots ------------*- C++ -*-==//
+//===-- llvm/SlotCalculator.h - Calculate value slots -----------*- C++ -*-===//
 //
 // This class calculates the slots that values will land in.  This is useful for
 // when writing bytecode or assembly out, because you have to know these things.

include/llvm/Support/CFG.h

@@ -1,12 +1,12 @@
-//===-- llvm/Support/CFG.h - Process LLVM structures as graphs ---*- C++ -*--=//
+//===-- llvm/Support/CFG.h - Process LLVM structures as graphs --*- C++ -*-===//
 //
 // This file defines specializations of GraphTraits that allow Function and
 // BasicBlock graphs to be treated as proper graphs for generic algorithms.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CFG_H
+#ifndef LLVM_SUPPORT_CFG_H
-#define LLVM_CFG_H
+#define LLVM_SUPPORT_CFG_H
 
 #include "Support/GraphTraits.h"
 #include "llvm/Function.h"

include/llvm/Support/Casting.h

@@ -1,4 +1,4 @@
-//===-- Support/Casting.h - Allow flexible, checked, casts -------*- C++ -*--=//
+//===-- Support/Casting.h - Allow flexible, checked, casts ------*- C++ -*-===//
 //
 // This file defines the isa<X>(), cast<X>(), dyn_cast<X>(), cast_or_null<X>(),
 // and dyn_cast_or_null<X>() templates.

include/llvm/Support/CommandLine.h

@@ -1,4 +1,4 @@
-//===- Support/CommandLine.h - Flexible Command line parser ------*- C++ -*--=//
+//===- Support/CommandLine.h - Flexible Command line parser -----*- C++ -*-===//
 //
 // This class implements a command line argument processor that is useful when
 // creating a tool.  It provides a simple, minimalistic interface that is easily

include/llvm/Support/DOTGraphTraits.h

@@ -1,4 +1,4 @@
-//===-- Support/DotGraphTraits.h - Customize .dot output -------*- C++ -*--===//
+//===-- Support/DotGraphTraits.h - Customize .dot output --------*- C++ -*-===//
 //
 // This file defines a template class that can be used to customize dot output
 // graphs generated by the GraphWriter.h file.  The default implementation of

include/llvm/Support/GraphWriter.h

@@ -1,4 +1,4 @@
-//===-- Support/GraphWriter.h - Write a graph to a .dot file ---*- C++ -*--===//
+//===-- Support/GraphWriter.h - Write a graph to a .dot file ----*- C++ -*-===//
 //
 // This file defines a simple interface that can be used to print out generic
 // LLVM graphs to ".dot" files.  "dot" is a tool that is part of the AT&T

include/llvm/Support/InstIterator.h

@@ -1,4 +1,4 @@
-//===-- llvm/Support/InstIterator.h - Classes for inst iteration -*- C++ -*--=//
+//===- llvm/Support/InstIterator.h - Classes for inst iteration -*- C++ -*-===//
 //
 // This file contains definitions of two iterators for iterating over the
 // instructions in a function.  This is effectively a wrapper around a two level

include/llvm/Support/InstVisitor.h

@@ -1,4 +1,4 @@
-//===- llvm/Support/InstVisitor.h - Define instruction visitors --*- C++ -*--=//
+//===- llvm/Support/InstVisitor.h - Define instruction visitors -*- C++ -*-===//
 //
 // This template class is used to define instruction visitors in a typesafe
 // manner without having to use lots of casts and a big switch statement (in

include/llvm/Support/Linker.h

@@ -1,4 +1,4 @@
-//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface --*- C++ -*--=//
+//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface -*- C++ -*-===//
 //
 // This file defines the interface to the module linker.
 //

include/llvm/Support/Mangler.h

@@ -1,4 +1,4 @@
-//===-- Mangler.h - Self-contained c/asm llvm name mangler -*- C++ -*- ----===//
+//===-- Mangler.h - Self-contained c/asm llvm name mangler ------*- C++ -*-===//
 //
 // Unified name mangler for CWriter and assembly backends.
 //

include/llvm/Support/MathExtras.h

@@ -1,4 +1,4 @@
-//===-- Support/MathExtras.h - Useful math functions -------------*- C++ -*--=//
+//===-- Support/MathExtras.h - Useful math functions ------------*- C++ -*-===//
 //
 // This file contains some functions that are useful for math stuff.
 //

include/llvm/Support/SystemUtils.h

@@ -1,4 +1,4 @@
-//===- SystemUtils.h - Utilities to do low-level system stuff --*- C++ -*--===//
+//===- SystemUtils.h - Utilities to do low-level system stuff ---*- C++ -*-===//
 //
 // This file contains functions used to do a variety of low-level, often
 // system-specific, tasks.

include/llvm/Support/TypeInfo.h

@@ -1,4 +1,4 @@
-//===- Support/TypeInfo.h - Support class for type_info objects --*- C++ -*--=//
+//===- Support/TypeInfo.h - Support class for type_info objects -*- C++ -*-===//
 //
 // This class makes std::type_info objects behave like first class objects that
 // can be put in maps and hashtables.  This code is based off of code in the

include/llvm/SymbolTable.h

@@ -1,4 +1,4 @@
-//===-- llvm/SymbolTable.h - Implement a type plane'd symtab ------*- C++ -*-=//
+//===-- llvm/SymbolTable.h - Implement a type plane'd symtab ----*- C++ -*-===//
 //
 // This file implements a symbol table that has planed broken up by type.  
 // Identical types may have overlapping symbol names as long as they are 

include/llvm/SymbolTableListTraits.h

@@ -1,4 +1,4 @@
-//===-- llvm/SymbolTableListTraits.h - Traits for iplist -------*- C++ -*--===//
+//===-- llvm/SymbolTableListTraits.h - Traits for iplist --------*- C++ -*-===//
 //
 // This file defines a generic class that is used to implement the automatic
 // symbol table manipulation that occurs when you put (for example) a named

include/llvm/System/Signals.h

@@ -1,4 +1,4 @@
-//===- Support/Signals.h - Signal Handling support -------------*- C++ -*-===//
+//===- Support/Signals.h - Signal Handling support --------------*- C++ -*-===//
 //
 // This file defines some helpful functions for dealing with the possibility of
 // unix signals occuring while your program is running.

include/llvm/Target/TargetData.h

@@ -1,4 +1,4 @@
-//===-- llvm/Target/TargetData.h - Data size & alignment routines-*- C++ -*-==//
+//===-- llvm/Target/TargetData.h - Data size & alignment info ---*- C++ -*-===//
 //
 // This file defines target properties related to datatype size/offset/alignment
 // information.  It uses lazy annotations to cache information about how 

include/llvm/Target/TargetMachine.h

@@ -1,4 +1,4 @@
-//===-- llvm/Target/TargetMachine.h - General Target Information -*- C++ -*-==//
+//===-- llvm/Target/TargetMachine.h - Target Information --------*- C++ -*-===//
 //
 // This file describes the general parts of a Target machine.
 //

include/llvm/Target/TargetRegInfo.h

@@ -1,4 +1,4 @@
-//===-- llvm/Target/TargetRegInfo.h - Target Register Info -------*- C++ -*-==//
+//===-- llvm/Target/TargetRegInfo.h - Target Register Info ------*- C++ -*-===//
 //
 // This file is used to describe the register system of a target to the
 // register allocator.

include/llvm/Target/TargetSchedInfo.h

@@ -1,4 +1,4 @@
-//===- Target/TargetSchedInfo.h - Target Instruction Sched Info --*- C++ -*-==//
+//===- Target/TargetSchedInfo.h - Target Instruction Sched Info -*- C++ -*-===//
 //
 // This file describes the target machine to the instruction scheduler.
 //

include/llvm/Transforms/MutateStructTypes.h

@@ -1,4 +1,4 @@
-//===- llvm/Transforms/MutateStructTypes.h - Change struct defns -*- C++ -*--=//
+//===-- llvm/Transforms/MutateStructTypes.h - Rearrange structs -*- C++ -*-===//
 //
 // This pass is used to change structure accesses and type definitions in some
 // way.  It can be used to arbitrarily permute structure fields, safely, without

include/llvm/Transforms/Scalar.h

@@ -1,4 +1,4 @@
-//===-- Scalar.h - Scalar Transformations ------------------------*- C++ -*-==//
+//===-- Scalar.h - Scalar Transformations -----------------------*- C++ -*-===//
 //
 // This header file defines prototypes for accessor functions that expose passes
 // in the Scalar transformations library.

include/llvm/Transforms/Utils/BasicBlockUtils.h

@@ -1,4 +1,4 @@
-//===-- Transform/Utils/BasicBlockUtils.h - BasicBlock Utilities -*- C++ -*-==//
+//===-- Transform/Utils/BasicBlockUtils.h - BasicBlock Utils ----*- C++ -*-===//
 //
 // This family of functions perform manipulations on basic blocks, and
 // instructions contained within basic blocks.

include/llvm/Transforms/Utils/Linker.h

@@ -1,4 +1,4 @@
-//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface --*- C++ -*--=//
+//===- llvm/Transforms/Utils/Linker.h - Module Linker Interface -*- C++ -*-===//
 //
 // This file defines the interface to the module linker.
 //

include/llvm/Transforms/Utils/Local.h

@@ -1,4 +1,4 @@
-//===-- Local.h - Functions to perform local transformations -----*- C++ -*--=//
+//===-- Local.h - Functions to perform local transformations ----*- C++ -*-===//
 //
 // This family of functions perform various local transformations to the
 // program.