Update LLVM to r103004.

13 files changed, 276 insertions, 132 deletions

diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h
index 148d47e..4a7251f 100644
--- a/include/llvm/Support/Allocator.h
+++ b/include/llvm/Support/Allocator.h
@@ -236,4 +236,6 @@ inline void *operator new(size_t Size, llvm::BumpPtrAllocator &Allocator) {
                                            offsetof(S, x)));
 }
 
+inline void operator delete(void *, llvm::BumpPtrAllocator &) {}
+
 #endif // LLVM_SUPPORT_ALLOCATOR_H
diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h
index 57699c7..f07c719 100644
--- a/include/llvm/Support/CFG.h
+++ b/include/llvm/Support/CFG.h
@@ -25,28 +25,29 @@ namespace llvm {
 // BasicBlock pred_iterator definition
 //===----------------------------------------------------------------------===//
 
-template <class _Ptr,  class _USE_iterator> // Predecessor Iterator
+template <class Ptr, class USE_iterator> // Predecessor Iterator
 class PredIterator : public std::iterator<std::forward_iterator_tag,
-                                          _Ptr, ptrdiff_t> {
-  typedef std::iterator<std::forward_iterator_tag, _Ptr, ptrdiff_t> super;
-  _USE_iterator It;
-public:
-  typedef PredIterator<_Ptr,_USE_iterator> _Self;
-  typedef typename super::pointer pointer;
+                                          Ptr, ptrdiff_t> {
+  typedef std::iterator<std::forward_iterator_tag, Ptr, ptrdiff_t> super;
+  typedef PredIterator<Ptr, USE_iterator> Self;
+  USE_iterator It;
 
   inline void advancePastNonTerminators() {
-    // Loop to ignore non terminator uses (for example PHI nodes)...
+    // Loop to ignore non terminator uses (for example PHI nodes).
     while (!It.atEnd() && !isa<TerminatorInst>(*It))
       ++It;
   }
 
-  inline PredIterator(_Ptr *bb) : It(bb->use_begin()) {
+public:
+  typedef typename super::pointer pointer;
+
+  explicit inline PredIterator(Ptr *bb) : It(bb->use_begin()) {
     advancePastNonTerminators();
   }
-  inline PredIterator(_Ptr *bb, bool) : It(bb->use_end()) {}
+  inline PredIterator(Ptr *bb, bool) : It(bb->use_end()) {}
 
-  inline bool operator==(const _Self& x) const { return It == x.It; }
-  inline bool operator!=(const _Self& x) const { return !operator==(x); }
+  inline bool operator==(const Self& x) const { return It == x.It; }
+  inline bool operator!=(const Self& x) const { return !operator==(x); }
 
   inline pointer operator*() const {
     assert(!It.atEnd() && "pred_iterator out of range!");
@@ -54,14 +55,14 @@ public:
   }
   inline pointer *operator->() const { return &(operator*()); }
 
-  inline _Self& operator++() {   // Preincrement
+  inline Self& operator++() {   // Preincrement
     assert(!It.atEnd() && "pred_iterator out of range!");
     ++It; advancePastNonTerminators();
     return *this;
   }
 
-  inline _Self operator++(int) { // Postincrement
-    _Self tmp = *this; ++*this; return tmp;
+  inline Self operator++(int) { // Postincrement
+    Self tmp = *this; ++*this; return tmp;
   }
 };
 
@@ -90,12 +91,17 @@ class SuccIterator : public std::iterator<std::bidirectional_iterator_tag,
   const Term_ Term;
   unsigned idx;
   typedef std::iterator<std::bidirectional_iterator_tag, BB_, ptrdiff_t> super;
+  typedef SuccIterator<Term_, BB_> Self;
+
+  inline bool index_is_valid(int idx) {
+    return idx >= 0 && (unsigned) idx < Term->getNumSuccessors();
+  }
+
 public:
-  typedef SuccIterator<Term_, BB_> _Self;
   typedef typename super::pointer pointer;
   // TODO: This can be random access iterator, only operator[] missing.
 
-  inline SuccIterator(Term_ T) : Term(T), idx(0) {         // begin iterator
+  explicit inline SuccIterator(Term_ T) : Term(T), idx(0) {// begin iterator
     assert(T && "getTerminator returned null!");
   }
   inline SuccIterator(Term_ T, bool)                       // end iterator
@@ -103,78 +109,74 @@ public:
     assert(T && "getTerminator returned null!");
   }
 
-  inline const _Self &operator=(const _Self &I) {
+  inline const Self &operator=(const Self &I) {
     assert(Term == I.Term &&"Cannot assign iterators to two different blocks!");
     idx = I.idx;
     return *this;
   }
 
-  inline bool index_is_valid (int idx) {
-    return idx >= 0 && (unsigned) idx < Term->getNumSuccessors();
-  }
-
   /// getSuccessorIndex - This is used to interface between code that wants to
   /// operate on terminator instructions directly.
   unsigned getSuccessorIndex() const { return idx; }
 
-  inline bool operator==(const _Self& x) const { return idx == x.idx; }
-  inline bool operator!=(const _Self& x) const { return !operator==(x); }
+  inline bool operator==(const Self& x) const { return idx == x.idx; }
+  inline bool operator!=(const Self& x) const { return !operator==(x); }
 
   inline pointer operator*() const { return Term->getSuccessor(idx); }
   inline pointer operator->() const { return operator*(); }
 
-  inline _Self& operator++() { ++idx; return *this; } // Preincrement
+  inline Self& operator++() { ++idx; return *this; } // Preincrement
 
-  inline _Self operator++(int) { // Postincrement
-    _Self tmp = *this; ++*this; return tmp;
+  inline Self operator++(int) { // Postincrement
+    Self tmp = *this; ++*this; return tmp;
   }
 
-  inline _Self& operator--() { --idx; return *this; }  // Predecrement
-  inline _Self operator--(int) { // Postdecrement
-    _Self tmp = *this; --*this; return tmp;
+  inline Self& operator--() { --idx; return *this; }  // Predecrement
+  inline Self operator--(int) { // Postdecrement
+    Self tmp = *this; --*this; return tmp;
   }
 
-  inline bool operator<(const _Self& x) const {
+  inline bool operator<(const Self& x) const {
     assert(Term == x.Term && "Cannot compare iterators of different blocks!");
     return idx < x.idx;
   }
 
-  inline bool operator<=(const _Self& x) const {
+  inline bool operator<=(const Self& x) const {
     assert(Term == x.Term && "Cannot compare iterators of different blocks!");
     return idx <= x.idx;
   }
-  inline bool operator>=(const _Self& x) const {
+  inline bool operator>=(const Self& x) const {
     assert(Term == x.Term && "Cannot compare iterators of different blocks!");
     return idx >= x.idx;
   }
 
-  inline bool operator>(const _Self& x) const {
+  inline bool operator>(const Self& x) const {
     assert(Term == x.Term && "Cannot compare iterators of different blocks!");
     return idx > x.idx;
   }
 
-  inline _Self& operator+=(int Right) {
+  inline Self& operator+=(int Right) {
     unsigned new_idx = idx + Right;
     assert(index_is_valid(new_idx) && "Iterator index out of bound");
     idx = new_idx;
     return *this;
   }
 
-  inline _Self operator+(int Right) {
-    _Self tmp = *this;
+  inline Self operator+(int Right) {
+    Self tmp = *this;
     tmp += Right;
     return tmp;
   }
 
-  inline _Self& operator-=(int Right) {
+  inline Self& operator-=(int Right) {
     return operator+=(-Right);
   }
 
-  inline _Self operator-(int Right) {
+  inline Self operator-(int Right) {
     return operator+(-Right);
   }
 
-  inline int operator-(const _Self& x) {
+  inline int operator-(const Self& x) {
     assert(Term == x.Term && "Cannot work on iterators of different blocks!");
     int distance = idx - x.idx;
     return distance;
@@ -185,14 +187,14 @@ public:
   // be modified are not available.
   //
   // inline pointer operator[](int offset) {
-  //  _Self tmp = *this;
+  //  Self tmp = *this;
   //  tmp += offset;
   //  return tmp.operator*();
   // }
 
   /// Get the source BB of this iterator.
   inline BB_ *getSource() {
-      return Term->getParent();
+    return Term->getParent();
   }
 };
 
diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index 9f527e2..0650b61 100644
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -30,7 +30,7 @@
 #include "llvm/ADT/PointerIntPair.h"
 #include "llvm/BasicBlock.h"
 #include "llvm/CallingConv.h"
-#include "llvm/Instruction.h"
+#include "llvm/Instructions.h"
 
 namespace llvm {
 
@@ -150,6 +150,108 @@ public:
   bool arg_empty() const { return arg_end() == arg_begin(); }
   unsigned arg_size() const { return unsigned(arg_end() - arg_begin()); }
   
+  /// getType - Return the type of the instruction that generated this call site
+  ///
+  const Type *getType() const { return (*this)->getType(); }
+
+  /// getCaller - Return the caller function for this call site
+  ///
+  FunTy *getCaller() const { return (*this)->getParent()->getParent(); }
+
+#define CALLSITE_DELEGATE_GETTER(METHOD) \
+  InstrTy *II = getInstruction();    \
+  return isCall()                        \
+    ? cast<CallInst>(II)->METHOD         \
+    : cast<InvokeInst>(II)->METHOD
+
+#define CALLSITE_DELEGATE_SETTER(METHOD) \
+  InstrTy *II = getInstruction();    \
+  if (isCall())                          \
+    cast<CallInst>(II)->METHOD;          \
+  else                                   \
+    cast<InvokeInst>(II)->METHOD
+
+  /// getCallingConv/setCallingConv - get or set the calling convention of the
+  /// call.
+  CallingConv::ID getCallingConv() const {
+    CALLSITE_DELEGATE_GETTER(getCallingConv());
+  }
+  void setCallingConv(CallingConv::ID CC) {
+    CALLSITE_DELEGATE_SETTER(setCallingConv(CC));
+  }
+
+  /// getAttributes/setAttributes - get or set the parameter attributes of
+  /// the call.
+  const AttrListPtr &getAttributes() const {
+    CALLSITE_DELEGATE_GETTER(getAttributes());
+  }
+  void setAttributes(const AttrListPtr &PAL) {
+    CALLSITE_DELEGATE_SETTER(setAttributes(PAL));
+  }
+
+  /// paramHasAttr - whether the call or the callee has the given attribute.
+  bool paramHasAttr(uint16_t i, Attributes attr) const {
+    CALLSITE_DELEGATE_GETTER(paramHasAttr(i, attr));
+  }
+
+  /// @brief Extract the alignment for a call or parameter (0=unknown).
+  uint16_t getParamAlignment(uint16_t i) const {
+    CALLSITE_DELEGATE_GETTER(getParamAlignment(i));
+  }
+
+  /// @brief Return true if the call should not be inlined.
+  bool isNoInline() const {
+    CALLSITE_DELEGATE_GETTER(isNoInline());
+  }
+  void setIsNoInline(bool Value = true) {
+    CALLSITE_DELEGATE_GETTER(setIsNoInline(Value));
+  }
+  
+  /// @brief Determine if the call does not access memory.
+  bool doesNotAccessMemory() const {
+    CALLSITE_DELEGATE_GETTER(doesNotAccessMemory());
+  }
+  void setDoesNotAccessMemory(bool doesNotAccessMemory = true) {
+    CALLSITE_DELEGATE_SETTER(setDoesNotAccessMemory(doesNotAccessMemory));
+  }
+
+  /// @brief Determine if the call does not access or only reads memory.
+  bool onlyReadsMemory() const {
+    CALLSITE_DELEGATE_GETTER(onlyReadsMemory());
+  }
+  void setOnlyReadsMemory(bool onlyReadsMemory = true) {
+    CALLSITE_DELEGATE_SETTER(setOnlyReadsMemory(onlyReadsMemory));
+  }
+
+  /// @brief Determine if the call cannot return.
+  bool doesNotReturn() const {
+    CALLSITE_DELEGATE_GETTER(doesNotReturn());
+  }
+  void setDoesNotReturn(bool doesNotReturn = true) {
+    CALLSITE_DELEGATE_SETTER(setDoesNotReturn(doesNotReturn));
+  }
+
+  /// @brief Determine if the call cannot unwind.
+  bool doesNotThrow() const {
+    CALLSITE_DELEGATE_GETTER(doesNotThrow());
+  }
+  void setDoesNotThrow(bool doesNotThrow = true) {
+    CALLSITE_DELEGATE_SETTER(setDoesNotThrow(doesNotThrow));
+  }
+
+#undef CALLSITE_DELEGATE_GETTER
+#undef CALLSITE_DELEGATE_SETTER
+
+  /// hasArgument - Returns true if this CallSite passes the given Value* as an
+  /// argument to the called function.
+  bool hasArgument(const Value *Arg) const {
+    for (arg_iterator AI = this->arg_begin(), E = this->arg_end(); AI != E;
+         ++AI)
+      if (AI->get() == Arg)
+        return true;
+    return false;
+  }
+
 private:
   /// Returns the operand number of the first argument
   unsigned getArgumentOffset() const {
@@ -179,24 +281,24 @@ private:
 
 /// ImmutableCallSite - establish a view to a call site for examination
 class ImmutableCallSite : public CallSiteBase<> {
-  typedef CallSiteBase<> _Base;
+  typedef CallSiteBase<> Base;
 public:
-  ImmutableCallSite(const Value* V) : _Base(V) {}
-  ImmutableCallSite(const CallInst *CI) : _Base(CI) {}
-  ImmutableCallSite(const InvokeInst *II) : _Base(II) {}
-  ImmutableCallSite(const Instruction *II) : _Base(II) {}
+  ImmutableCallSite(const Value* V) : Base(V) {}
+  ImmutableCallSite(const CallInst *CI) : Base(CI) {}
+  ImmutableCallSite(const InvokeInst *II) : Base(II) {}
+  ImmutableCallSite(const Instruction *II) : Base(II) {}
 };
 
 class CallSite : public CallSiteBase<Function, Value, User, Instruction,
                                      CallInst, InvokeInst, User::op_iterator> {
   typedef CallSiteBase<Function, Value, User, Instruction,
-                       CallInst, InvokeInst, User::op_iterator> _Base;
+                       CallInst, InvokeInst, User::op_iterator> Base;
 public:
   CallSite() {}
-  CallSite(_Base B) : _Base(B) {}
-  CallSite(CallInst *CI) : _Base(CI) {}
-  CallSite(InvokeInst *II) : _Base(II) {}
-  CallSite(Instruction *II) : _Base(II) {}
+  CallSite(Base B) : Base(B) {}
+  CallSite(CallInst *CI) : Base(CI) {}
+  CallSite(InvokeInst *II) : Base(II) {}
+  CallSite(Instruction *II) : Base(II) {}
 
   bool operator==(const CallSite &CS) const { return I == CS.I; }
   bool operator!=(const CallSite &CS) const { return I != CS.I; }
@@ -207,57 +309,9 @@ public:
   /// NOT a call site.
   ///
   static CallSite get(Value *V) {
-    return _Base::get(V);
+    return Base::get(V);
   }
 
-  /// getCallingConv/setCallingConv - get or set the calling convention of the
-  /// call.
-  CallingConv::ID getCallingConv() const;
-  void setCallingConv(CallingConv::ID CC);
-
-  /// getAttributes/setAttributes - get or set the parameter attributes of
-  /// the call.
-  const AttrListPtr &getAttributes() const;
-  void setAttributes(const AttrListPtr &PAL);
-
-  /// paramHasAttr - whether the call or the callee has the given attribute.
-  bool paramHasAttr(uint16_t i, Attributes attr) const;
-
-  /// @brief Extract the alignment for a call or parameter (0=unknown).
-  uint16_t getParamAlignment(uint16_t i) const;
-
-  /// @brief Return true if the call should not be inlined.
-  bool isNoInline() const;
-  void setIsNoInline(bool Value = true);
-  
-  /// @brief Determine if the call does not access memory.
-  bool doesNotAccessMemory() const;
-  void setDoesNotAccessMemory(bool doesNotAccessMemory = true);
-
-  /// @brief Determine if the call does not access or only reads memory.
-  bool onlyReadsMemory() const;
-  void setOnlyReadsMemory(bool onlyReadsMemory = true);
-
-  /// @brief Determine if the call cannot return.
-  bool doesNotReturn() const;
-  void setDoesNotReturn(bool doesNotReturn = true);
-
-  /// @brief Determine if the call cannot unwind.
-  bool doesNotThrow() const;
-  void setDoesNotThrow(bool doesNotThrow = true);
-
-  /// getType - Return the type of the instruction that generated this call site
-  ///
-  const Type *getType() const { return (*this)->getType(); }
-
-  /// getCaller - Return the caller function for this call site
-  ///
-  Function *getCaller() const { return (*this)->getParent()->getParent(); }
-
-  /// hasArgument - Returns true if this CallSite passes the given Value* as an
-  /// argument to the called function.
-  bool hasArgument(const Value *Arg) const;
-
   bool operator<(const CallSite &CS) const {
     return getInstruction() < CS.getInstruction();
   }
diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 31f4fd2..3d25e03 100644
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -230,6 +230,7 @@ enum dwarf_constants {
   DW_AT_APPLE_block = 0x3fe4,
   DW_AT_APPLE_major_runtime_vers = 0x3fe5,
   DW_AT_APPLE_runtime_class = 0x3fe6,
+  DW_AT_APPLE_omit_frame_ptr = 0x3fe7,
 
   // Attribute form encodings
   DW_FORM_addr = 0x01,
diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h
index e747c7a..d09db39 100644
--- a/include/llvm/Support/ELF.h
+++ b/include/llvm/Support/ELF.h
@@ -99,6 +99,12 @@ enum {
   ET_HIPROC = 0xffff  // Processor-specific
 };
 
+// Versioning
+enum {
+  EV_NONE = 0,
+  EV_CURRENT = 1
+};
+
 // Machine architectures
 enum {
   EM_NONE = 0,  // No machine
@@ -129,6 +135,11 @@ enum {
   ELFDATA2MSB = 2  // Big-endian object file
 };
 
+// OS ABI identification -- unused.
+enum {
+  ELFOSABI_NONE = 0
+};
+
 // Section header.
 struct Elf32_Shdr {
   Elf32_Word sh_name;      // Section name (index into string table)
diff --git a/include/llvm/Support/ErrorHandling.h b/include/llvm/Support/ErrorHandling.h
index 4d24ada..ffcb482 100644
--- a/include/llvm/Support/ErrorHandling.h
+++ b/include/llvm/Support/ErrorHandling.h
@@ -1,4 +1,4 @@
-//===- llvm/Support/ErrorHandling.h - Callbacks for errors ------*- C++ -*-===//
+//===- llvm/Support/ErrorHandling.h - Fatal error handling ------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines an API used to indicate error conditions.
-// Callbacks can be registered for these errors through this API.
+// This file defines an API used to indicate fatal error conditions.  Non-fatal
+// errors (most of them) should be handled through LLVMContext.
 //
 //===----------------------------------------------------------------------===//
 
@@ -22,10 +22,10 @@ namespace llvm {
   class Twine;
 
   /// An error handler callback.
-  typedef void (*llvm_error_handler_t)(void *user_data,
-                                       const std::string& reason);
+  typedef void (*fatal_error_handler_t)(void *user_data,
+                                        const std::string& reason);
 
-  /// llvm_instal_error_handler - Installs a new error handler to be used
+  /// install_fatal_error_handler - Installs a new error handler to be used
   /// whenever a serious (non-recoverable) error is encountered by LLVM.
   ///
   /// If you are using llvm_start_multithreaded, you should register the handler
@@ -44,13 +44,13 @@ namespace llvm {
   ///
   /// \param user_data - An argument which will be passed to the install error
   /// handler.
-  void llvm_install_error_handler(llvm_error_handler_t handler,
-                                  void *user_data = 0);
+  void install_fatal_error_handler(fatal_error_handler_t handler,
+                                   void *user_data = 0);
 
   /// Restores default error handling behaviour.
   /// This must not be called between llvm_start_multithreaded() and
   /// llvm_stop_multithreaded().
-  void llvm_remove_error_handler();
+  void remove_fatal_error_handler();
 
   /// Reports a serious error, calling any installed error handler. These
   /// functions are intended to be used for error conditions which are outside
@@ -60,9 +60,9 @@ namespace llvm {
   /// standard error, followed by a newline.
   /// After the error handler is called this function will call exit(1), it 
   /// does not return.
-  NORETURN void llvm_report_error(const char *reason);
-  NORETURN void llvm_report_error(const std::string &reason);
-  NORETURN void llvm_report_error(const Twine &reason);
+  NORETURN void report_fatal_error(const char *reason);
+  NORETURN void report_fatal_error(const std::string &reason);
+  NORETURN void report_fatal_error(const Twine &reason);
 
   /// This function calls abort(), and prints the optional message to stderr.
   /// Use the llvm_unreachable macro (that adds location info), instead of
diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index 28fa92f..13e6682 100644
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -174,7 +174,8 @@ public:
       unsigned i = 0, e = DTraits.numEdgeDestLabels(Node);
       for (; i != e && i != 64; ++i) {
         if (i) O << "|";
-        O << "<d" << i << ">" << DTraits.getEdgeDestLabel(Node, i);
+        O << "<d" << i << ">"
+          << DOT::EscapeString(DTraits.getEdgeDestLabel(Node, i));
       }
 
       if (i != e)
@@ -230,7 +231,7 @@ public:
       for (unsigned i = 0; i != NumEdgeSources; ++i) {
         if (i) O << "|";
         O << "<s" << i << ">";
-        if (EdgeSourceLabels) O << (*EdgeSourceLabels)[i];
+        if (EdgeSourceLabels) O << DOT::EscapeString((*EdgeSourceLabels)[i]);
       }
       O << "}}";
     }
diff --git a/include/llvm/Support/IRBuilder.h b/include/llvm/Support/IRBuilder.h
index 660c9f8..1fd965d 100644
--- a/include/llvm/Support/IRBuilder.h
+++ b/include/llvm/Support/IRBuilder.h
@@ -432,12 +432,19 @@ public:
         return Folder.CreateFRem(LC, RC);
     return Insert(BinaryOperator::CreateFRem(LHS, RHS), Name);
   }
+
   Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "") {
     if (Constant *LC = dyn_cast<Constant>(LHS))
       if (Constant *RC = dyn_cast<Constant>(RHS))
         return Folder.CreateShl(LC, RC);
     return Insert(BinaryOperator::CreateShl(LHS, RHS), Name);
   }
+  Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateShl(LC, RHSC);
+    return Insert(BinaryOperator::CreateShl(LHS, RHSC), Name);
+  }
   Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "") {
     Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
     if (Constant *LC = dyn_cast<Constant>(LHS))
@@ -451,23 +458,35 @@ public:
         return Folder.CreateLShr(LC, RC);
     return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
   }
+  Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateLShr(LC, RHSC);
+    return Insert(BinaryOperator::CreateLShr(LHS, RHSC), Name);
+  }
   Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
     Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
     if (Constant *LC = dyn_cast<Constant>(LHS))
       return Folder.CreateLShr(LC, RHSC);
     return Insert(BinaryOperator::CreateLShr(LHS, RHSC), Name);
   }
-  
+
   Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "") {
     if (Constant *LC = dyn_cast<Constant>(LHS))
       if (Constant *RC = dyn_cast<Constant>(RHS))
         return Folder.CreateAShr(LC, RC);
     return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
   }
+  Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateAShr(LC, RHSC);
+    return Insert(BinaryOperator::CreateAShr(LHS, RHSC), Name);
+  }
   Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
     Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
     if (Constant *LC = dyn_cast<Constant>(LHS))
-      return Folder.CreateSShr(LC, RHSC);
+      return Folder.CreateAShr(LC, RHSC);
     return Insert(BinaryOperator::CreateAShr(LHS, RHSC), Name);
   }
 
@@ -480,6 +499,19 @@ public:
     }
     return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
   }
+  Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateAnd(LC, RHSC);
+    return Insert(BinaryOperator::CreateAnd(LHS, RHSC), Name);
+  }
+  Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateAnd(LC, RHSC);
+    return Insert(BinaryOperator::CreateAnd(LHS, RHSC), Name);
+  }
+
   Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
     if (Constant *RC = dyn_cast<Constant>(RHS)) {
       if (RC->isNullValue())
@@ -489,12 +521,37 @@ public:
     }
     return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
   }
+  Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateOr(LC, RHSC);
+    return Insert(BinaryOperator::CreateOr(LHS, RHSC), Name);
+  }
+  Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateOr(LC, RHSC);
+    return Insert(BinaryOperator::CreateOr(LHS, RHSC), Name);
+  }
+
   Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
     if (Constant *LC = dyn_cast<Constant>(LHS))
       if (Constant *RC = dyn_cast<Constant>(RHS))
         return Folder.CreateXor(LC, RC);
     return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
   }
+  Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateXor(LC, RHSC);
+    return Insert(BinaryOperator::CreateXor(LHS, RHSC), Name);
+  }
+  Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
+    Constant *RHSC = ConstantInt::get(LHS->getType(), RHS);
+    if (Constant *LC = dyn_cast<Constant>(LHS))
+      return Folder.CreateXor(LC, RHSC);
+    return Insert(BinaryOperator::CreateXor(LHS, RHSC), Name);
+  }
 
   Value *CreateBinOp(Instruction::BinaryOps Opc,
                      Value *LHS, Value *RHS, const Twine &Name = "") {
diff --git a/include/llvm/Support/IRReader.h b/include/llvm/Support/IRReader.h
index 2a43c5f..0dfc302 100644
--- a/include/llvm/Support/IRReader.h
+++ b/include/llvm/Support/IRReader.h
@@ -38,8 +38,7 @@ namespace llvm {
       std::string ErrMsg;
       Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg);
       if (M == 0) {
-        Err = SMDiagnostic(SMLoc(), Buffer->getBufferIdentifier(), -1, -1,
-                           ErrMsg, "");
+        Err = SMDiagnostic(Buffer->getBufferIdentifier(), ErrMsg);
         // ParseBitcodeFile does not take ownership of the Buffer in the
         // case of an error.
         delete Buffer;
@@ -60,8 +59,8 @@ namespace llvm {
     std::string ErrMsg;
     MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrMsg);
     if (F == 0) {
-      Err = SMDiagnostic(SMLoc(), Filename, -1, -1,
-                         "Could not open input file '" + Filename + "'", "");
+      Err = SMDiagnostic(Filename, 
+                         "Could not open input file '" + Filename + "'");
       return 0;
     }
 
@@ -82,8 +81,7 @@ namespace llvm {
       // ParseBitcodeFile does not take ownership of the Buffer.
       delete Buffer;
       if (M == 0)
-        Err = SMDiagnostic(SMLoc(), Buffer->getBufferIdentifier(),
-                           -1, -1, ErrMsg, "");
+        Err = SMDiagnostic(Buffer->getBufferIdentifier(), ErrMsg);
       return M;
     }
 
@@ -99,8 +97,8 @@ namespace llvm {
     std::string ErrMsg;
     MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrMsg);
     if (F == 0) {
-      Err = SMDiagnostic(SMLoc(), Filename, -1, -1,
-                         "Could not open input file '" + Filename + "'", "");
+      Err = SMDiagnostic(Filename, 
+                         "Could not open input file '" + Filename + "'");
       return 0;
     }
 
diff --git a/include/llvm/Support/RecyclingAllocator.h b/include/llvm/Support/RecyclingAllocator.h
index 49f7753..34ab874 100644
--- a/include/llvm/Support/RecyclingAllocator.h
+++ b/include/llvm/Support/RecyclingAllocator.h
@@ -63,4 +63,11 @@ inline void *operator new(size_t,
   return Allocator.Allocate();
 }
 
+template<class AllocatorType, class T, size_t Size, size_t Align>
+inline void operator delete(void *E,
+                            llvm::RecyclingAllocator<AllocatorType,
+                                                     T, Size, Align> &A) {
+  A.Deallocate(E);
+}
+
 #endif
diff --git a/include/llvm/Support/SourceMgr.h b/include/llvm/Support/SourceMgr.h
index 3e66762..9cd35d1 100644
--- a/include/llvm/Support/SourceMgr.h
+++ b/include/llvm/Support/SourceMgr.h
@@ -148,6 +148,7 @@ private:
 /// SMDiagnostic - Instances of this class encapsulate one diagnostic report,
 /// allowing printing to a raw_ostream as a caret diagnostic.
 class SMDiagnostic {
+  const SourceMgr *SM;
   SMLoc Loc;
   std::string Filename;
   int LineNo, ColumnNo;
@@ -155,15 +156,25 @@ class SMDiagnostic {
   unsigned ShowLine : 1;
 
 public:
-  SMDiagnostic() : LineNo(0), ColumnNo(0), ShowLine(0) {}
-  SMDiagnostic(SMLoc L, const std::string &FN, int Line, int Col,
+  // Null diagnostic.
+  SMDiagnostic() : SM(0), LineNo(0), ColumnNo(0), ShowLine(0) {}
+  // Diagnostic with no location (e.g. file not found, command line arg error).
+  SMDiagnostic(const std::string &filename, const std::string &Msg,
+               bool showline = true)
+    : SM(0), Loc(), Filename(filename), LineNo(-1), ColumnNo(-1),
+      Message(Msg), LineContents(""), ShowLine(showline) {}
+  
+  // Diagnostic with a location.
+  SMDiagnostic(const SourceMgr &sm, SMLoc L, const std::string &FN,
+               int Line, int Col,
                const std::string &Msg, const std::string &LineStr,
                bool showline = true)
-    : Loc(L), Filename(FN), LineNo(Line), ColumnNo(Col), Message(Msg),
+    : SM(&sm), Loc(L), Filename(FN), LineNo(Line), ColumnNo(Col), Message(Msg),
       LineContents(LineStr), ShowLine(showline) {}
 
+  const SourceMgr *getSourceMgr() const { return SM; }
   SMLoc getLoc() const { return Loc; }
-  const std::string getFilename() { return Filename; }
+  const std::string &getFilename() { return Filename; }
   int getLineNo() const { return LineNo; }
   int getColumnNo() const { return ColumnNo; }
   const std::string &getMessage() const { return Message; }
diff --git a/include/llvm/Support/ValueHandle.h b/include/llvm/Support/ValueHandle.h
index 130a620..c0cdc35 100644
--- a/include/llvm/Support/ValueHandle.h
+++ b/include/llvm/Support/ValueHandle.h
@@ -315,7 +315,7 @@ class TrackingVH : public ValueHandleBase {
 
 public:
   TrackingVH() : ValueHandleBase(Tracking) {}
-  TrackingVH(ValueTy *P) : ValueHandleBase(Tracking, P) {}
+  TrackingVH(ValueTy *P) : ValueHandleBase(Tracking, GetAsValue(P)) {}
   TrackingVH(const TrackingVH &RHS) : ValueHandleBase(Tracking, RHS) {}
 
   operator ValueTy*() const {
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index e0de80f..90eaeea 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -96,7 +96,7 @@ public:
 
   /// clear_error - Set the flag read by has_error() to false. If the error
   /// flag is set at the time when this raw_ostream's destructor is called,
-  /// llvm_report_error is called to report the error. Use clear_error()
+  /// report_fatal_error is called to report the error. Use clear_error()
   /// after handling the error to avoid this behavior.
   void clear_error() {
     Error = false;