[llvm] r221711 - Revert "IR: MDNode => Value"

Duncan P. N. Exon Smith dexonsmith at apple.com
Tue Nov 11 13:30:23 PST 2014


Author: dexonsmith
Date: Tue Nov 11 15:30:22 2014
New Revision: 221711

URL: http://llvm.org/viewvc/llvm-project?rev=221711&view=rev
Log:
Revert "IR: MDNode => Value"

Instead, we're going to separate metadata from the Value hierarchy.  See
PR21532.

This reverts commit r221375.
This reverts commit r221373.
This reverts commit r221359.
This reverts commit r221167.
This reverts commit r221027.
This reverts commit r221024.
This reverts commit r221023.
This reverts commit r220995.
This reverts commit r220994.

Modified:
    llvm/trunk/include/llvm/IR/IRBuilder.h
    llvm/trunk/include/llvm/IR/Instruction.h
    llvm/trunk/include/llvm/IR/Metadata.h
    llvm/trunk/lib/Analysis/BranchProbabilityInfo.cpp
    llvm/trunk/lib/Analysis/LoopInfo.cpp
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp
    llvm/trunk/lib/Analysis/ScopedNoAliasAA.cpp
    llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp
    llvm/trunk/lib/Analysis/ValueTracking.cpp
    llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
    llvm/trunk/lib/Bitcode/Writer/ValueEnumerator.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    llvm/trunk/lib/IR/AsmWriter.cpp
    llvm/trunk/lib/IR/AutoUpgrade.cpp
    llvm/trunk/lib/IR/Core.cpp
    llvm/trunk/lib/IR/DebugInfo.cpp
    llvm/trunk/lib/IR/DiagnosticInfo.cpp
    llvm/trunk/lib/IR/Instruction.cpp
    llvm/trunk/lib/IR/Instructions.cpp
    llvm/trunk/lib/IR/Metadata.cpp
    llvm/trunk/lib/IR/Module.cpp
    llvm/trunk/lib/IR/TypeFinder.cpp
    llvm/trunk/lib/IR/Verifier.cpp
    llvm/trunk/lib/Linker/LinkModules.cpp
    llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp
    llvm/trunk/lib/Target/NVPTX/NVPTXUtilities.cpp
    llvm/trunk/lib/Target/R600/SITypeRewriter.cpp
    llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp
    llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
    llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
    llvm/trunk/lib/Transforms/Instrumentation/DebugIR.cpp
    llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp
    llvm/trunk/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
    llvm/trunk/lib/Transforms/ObjCARC/ObjCARCContract.cpp
    llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
    llvm/trunk/lib/Transforms/Scalar/Scalarizer.cpp
    llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp
    llvm/trunk/lib/Transforms/Utils/Local.cpp
    llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
    llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp
    llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp
    llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp
    llvm/trunk/tools/opt/BreakpointPrinter.cpp

Modified: llvm/trunk/include/llvm/IR/IRBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IRBuilder.h?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/IRBuilder.h (original)
+++ llvm/trunk/include/llvm/IR/IRBuilder.h Tue Nov 11 15:30:22 2014
@@ -23,12 +23,12 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Metadata.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/Support/CBindingWrapping.h"
 
 namespace llvm {
+class MDNode;
 
 /// \brief This provides the default implementation of the IRBuilder
 /// 'InsertHelper' method that is called whenever an instruction is created by

Modified: llvm/trunk/include/llvm/IR/Instruction.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/Instruction.h?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/Instruction.h (original)
+++ llvm/trunk/include/llvm/IR/Instruction.h Tue Nov 11 15:30:22 2014
@@ -141,41 +141,23 @@ public:
 
   /// getMetadata - Get the metadata of given kind attached to this Instruction.
   /// If the metadata is not found then return null.
-  Value *getMetadata(unsigned KindID) const {
+  MDNode *getMetadata(unsigned KindID) const {
     if (!hasMetadata()) return nullptr;
     return getMetadataImpl(KindID);
   }
 
   /// getMetadata - Get the metadata of given kind attached to this Instruction.
   /// If the metadata is not found then return null.
-  Value *getMetadata(StringRef Kind) const {
+  MDNode *getMetadata(StringRef Kind) const {
     if (!hasMetadata()) return nullptr;
     return getMetadataImpl(Kind);
   }
 
-  /// Get the the metadata as an MDNode.
-  ///
-  /// \pre Any KindID metadata is implemented using \a MDNode.
-  MDNode *getMDNode(unsigned KindID) const {
-    if (!hasMetadata())
-      return nullptr;
-    return getMDNodeImpl(KindID);
-  }
-
-  /// Get the the metadata as an MDNode.
-  ///
-  /// \pre Any KindID metadata is implemented using \a MDNode.
-  MDNode *getMDNode(StringRef Kind) const {
-    if (!hasMetadata())
-      return nullptr;
-    return getMDNodeImpl(Kind);
-  }
-
   /// getAllMetadata - Get all metadata attached to this Instruction.  The first
   /// element of each pair returned is the KindID, the second element is the
   /// metadata value.  This list is returned sorted by the KindID.
   void
-  getAllMetadata(SmallVectorImpl<std::pair<unsigned, Value *>> &MDs) const {
+  getAllMetadata(SmallVectorImpl<std::pair<unsigned, MDNode *>> &MDs) const {
     if (hasMetadata())
       getAllMetadataImpl(MDs);
   }
@@ -183,7 +165,7 @@ public:
   /// getAllMetadataOtherThanDebugLoc - This does the same thing as
   /// getAllMetadata, except that it filters out the debug location.
   void getAllMetadataOtherThanDebugLoc(
-      SmallVectorImpl<std::pair<unsigned, Value *>> &MDs) const {
+      SmallVectorImpl<std::pair<unsigned, MDNode *>> &MDs) const {
     if (hasMetadataOtherThanDebugLoc())
       getAllMetadataOtherThanDebugLocImpl(MDs);
   }
@@ -195,9 +177,9 @@ public:
 
   /// setMetadata - Set the metadata of the specified kind to the specified
   /// node.  This updates/replaces metadata if already present, or removes it if
-  /// MD is null.
-  void setMetadata(unsigned KindID, Value *MD);
-  void setMetadata(StringRef Kind, Value *MD);
+  /// Node is null.
+  void setMetadata(unsigned KindID, MDNode *Node);
+  void setMetadata(StringRef Kind, MDNode *Node);
 
   /// \brief Drop unknown metadata.
   /// Passes are required to drop metadata they don't understand. This is a
@@ -290,14 +272,12 @@ private:
   }
 
   // These are all implemented in Metadata.cpp.
-  Value *getMetadataImpl(unsigned KindID) const;
-  Value *getMetadataImpl(StringRef Kind) const;
-  MDNode *getMDNodeImpl(unsigned KindID) const;
-  MDNode *getMDNodeImpl(StringRef Kind) const;
+  MDNode *getMetadataImpl(unsigned KindID) const;
+  MDNode *getMetadataImpl(StringRef Kind) const;
   void
-  getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned, Value *>> &) const;
+  getAllMetadataImpl(SmallVectorImpl<std::pair<unsigned, MDNode *>> &) const;
   void getAllMetadataOtherThanDebugLocImpl(
-      SmallVectorImpl<std::pair<unsigned, Value *>> &) const;
+      SmallVectorImpl<std::pair<unsigned, MDNode *>> &) const;
   void clearMetadataHashEntries();
 public:
   //===--------------------------------------------------------------------===//

Modified: llvm/trunk/include/llvm/IR/Metadata.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/Metadata.h?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/Metadata.h (original)
+++ llvm/trunk/include/llvm/IR/Metadata.h Tue Nov 11 15:30:22 2014
@@ -237,10 +237,10 @@ private:
 };
 
 //===----------------------------------------------------------------------===//
-/// \brief A tuple of metadata nodes.
+/// \brief A tuple of MDNodes.
 ///
 /// Despite its name, a NamedMDNode isn't itself an MDNode. NamedMDNodes belong
-/// to modules, have names, and contain lists of metadata nodes.
+/// to modules, have names, and contain lists of MDNodes.
 class NamedMDNode : public ilist_node<NamedMDNode> {
   friend class SymbolTableListTraits<NamedMDNode, Module>;
   friend struct ilist_traits<NamedMDNode>;
@@ -250,7 +250,7 @@ class NamedMDNode : public ilist_node<Na
 
   std::string Name;
   Module *Parent;
-  void *Operands; // SmallVector<TrackingVH<Value>, 4>
+  void *Operands; // SmallVector<TrackingVH<MDNode>, 4>
 
   void setParent(Module *M) { Parent = M; }
 
@@ -305,12 +305,9 @@ public:
   inline Module *getParent() { return Parent; }
   inline const Module *getParent() const { return Parent; }
 
-  Value *getOperand(unsigned i) const;
-  MDNode *getOperandAsMDNode(unsigned i) const {
-    return cast_or_null<MDNode>(getOperand(i));
-  }
+  MDNode *getOperand(unsigned i) const;
   unsigned getNumOperands() const;
-  void addOperand(Value *M);
+  void addOperand(MDNode *M);
   StringRef getName() const;
   void print(raw_ostream &ROS) const;
   void dump() const;
@@ -318,11 +315,11 @@ public:
   // ---------------------------------------------------------------------------
   // Operand Iterator interface...
   //
-  typedef op_iterator_impl<Value *, Value> op_iterator;
+  typedef op_iterator_impl<MDNode *, MDNode> op_iterator;
   op_iterator op_begin() { return op_iterator(this, 0); }
   op_iterator op_end()   { return op_iterator(this, getNumOperands()); }
 
-  typedef op_iterator_impl<const Value *, Value> const_op_iterator;
+  typedef op_iterator_impl<const MDNode *, MDNode> const_op_iterator;
   const_op_iterator op_begin() const { return const_op_iterator(this, 0); }
   const_op_iterator op_end()   const { return const_op_iterator(this, getNumOperands()); }
 

Modified: llvm/trunk/lib/Analysis/BranchProbabilityInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/BranchProbabilityInfo.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/BranchProbabilityInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/BranchProbabilityInfo.cpp Tue Nov 11 15:30:22 2014
@@ -180,7 +180,7 @@ bool BranchProbabilityInfo::calcMetadata
   if (!isa<BranchInst>(TI) && !isa<SwitchInst>(TI))
     return false;
 
-  MDNode *WeightsNode = TI->getMDNode(LLVMContext::MD_prof);
+  MDNode *WeightsNode = TI->getMetadata(LLVMContext::MD_prof);
   if (!WeightsNode)
     return false;
 

Modified: llvm/trunk/lib/Analysis/LoopInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/LoopInfo.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/LoopInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/LoopInfo.cpp Tue Nov 11 15:30:22 2014
@@ -235,7 +235,7 @@ bool Loop::isSafeToClone() const {
 MDNode *Loop::getLoopID() const {
   MDNode *LoopID = nullptr;
   if (isLoopSimplifyForm()) {
-    LoopID = getLoopLatch()->getTerminator()->getMDNode(LoopMDName);
+    LoopID = getLoopLatch()->getTerminator()->getMetadata(LoopMDName);
   } else {
     // Go through each predecessor of the loop header and check the
     // terminator for the metadata.
@@ -247,7 +247,7 @@ MDNode *Loop::getLoopID() const {
       // Check if this terminator branches to the loop header.
       for (unsigned i = 0, ie = TI->getNumSuccessors(); i != ie; ++i) {
         if (TI->getSuccessor(i) == H) {
-          MD = TI->getMDNode(LoopMDName);
+          MD = TI->getMetadata(LoopMDName);
           break;
         }
       }
@@ -309,7 +309,7 @@ bool Loop::isAnnotatedParallel() const {
       // nested parallel loops). The loop identifier metadata refers to
       // itself so we can check both cases with the same routine.
       MDNode *loopIdMD =
-          II->getMDNode(LLVMContext::MD_mem_parallel_loop_access);
+          II->getMetadata(LLVMContext::MD_mem_parallel_loop_access);
 
       if (!loopIdMD)
         return false;

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Tue Nov 11 15:30:22 2014
@@ -3668,7 +3668,7 @@ ScalarEvolution::GetMinTrailingZeros(con
 /// metadata present in the IR.
 static Optional<ConstantRange> GetRangeFromMetadata(Value *V) {
   if (Instruction *I = dyn_cast<Instruction>(V)) {
-    if (MDNode *MD = I->getMDNode(LLVMContext::MD_range)) {
+    if (MDNode *MD = I->getMetadata(LLVMContext::MD_range)) {
       ConstantRange TotalRange(
           cast<IntegerType>(I->getType())->getBitWidth(), false);
 

Modified: llvm/trunk/lib/Analysis/ScopedNoAliasAA.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScopedNoAliasAA.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScopedNoAliasAA.cpp (original)
+++ llvm/trunk/lib/Analysis/ScopedNoAliasAA.cpp Tue Nov 11 15:30:22 2014
@@ -213,12 +213,12 @@ ScopedNoAliasAA::getModRefInfo(Immutable
   if (!EnableScopedNoAlias)
     return AliasAnalysis::getModRefInfo(CS, Loc);
 
-  if (!mayAliasInScopes(Loc.AATags.Scope, CS.getInstruction()->getMDNode(
+  if (!mayAliasInScopes(Loc.AATags.Scope, CS.getInstruction()->getMetadata(
                                               LLVMContext::MD_noalias)))
     return NoModRef;
 
   if (!mayAliasInScopes(
-          CS.getInstruction()->getMDNode(LLVMContext::MD_alias_scope),
+          CS.getInstruction()->getMetadata(LLVMContext::MD_alias_scope),
           Loc.AATags.NoAlias))
     return NoModRef;
 
@@ -231,13 +231,13 @@ ScopedNoAliasAA::getModRefInfo(Immutable
     return AliasAnalysis::getModRefInfo(CS1, CS2);
 
   if (!mayAliasInScopes(
-          CS1.getInstruction()->getMDNode(LLVMContext::MD_alias_scope),
-          CS2.getInstruction()->getMDNode(LLVMContext::MD_noalias)))
+          CS1.getInstruction()->getMetadata(LLVMContext::MD_alias_scope),
+          CS2.getInstruction()->getMetadata(LLVMContext::MD_noalias)))
     return NoModRef;
 
   if (!mayAliasInScopes(
-          CS2.getInstruction()->getMDNode(LLVMContext::MD_alias_scope),
-          CS1.getInstruction()->getMDNode(LLVMContext::MD_noalias)))
+          CS2.getInstruction()->getMetadata(LLVMContext::MD_alias_scope),
+          CS1.getInstruction()->getMetadata(LLVMContext::MD_noalias)))
     return NoModRef;
 
   return AliasAnalysis::getModRefInfo(CS1, CS2);

Modified: llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/TypeBasedAliasAnalysis.cpp Tue Nov 11 15:30:22 2014
@@ -493,7 +493,7 @@ TypeBasedAliasAnalysis::getModRefBehavio
 
   // If this is an "immutable" type, we can assume the call doesn't write
   // to memory.
-  if (const MDNode *M = CS.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
+  if (const MDNode *M = CS.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
     if ((!isStructPathTBAA(M) && TBAANode(M).TypeIsImmutable()) ||
         (isStructPathTBAA(M) && TBAAStructTagNode(M).TypeIsImmutable()))
       Min = OnlyReadsMemory;
@@ -514,7 +514,8 @@ TypeBasedAliasAnalysis::getModRefInfo(Im
     return AliasAnalysis::getModRefInfo(CS, Loc);
 
   if (const MDNode *L = Loc.AATags.TBAA)
-    if (const MDNode *M = CS.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
+    if (const MDNode *M =
+            CS.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
       if (!Aliases(L, M))
         return NoModRef;
 
@@ -527,9 +528,10 @@ TypeBasedAliasAnalysis::getModRefInfo(Im
   if (!EnableTBAA)
     return AliasAnalysis::getModRefInfo(CS1, CS2);
 
-  if (const MDNode *M1 = CS1.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
+  if (const MDNode *M1 =
+          CS1.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
     if (const MDNode *M2 =
-            CS2.getInstruction()->getMDNode(LLVMContext::MD_tbaa))
+            CS2.getInstruction()->getMetadata(LLVMContext::MD_tbaa))
       if (!Aliases(M1, M2))
         return NoModRef;
 
@@ -613,20 +615,20 @@ MDNode *MDNode::getMostGenericTBAA(MDNod
 void Instruction::getAAMetadata(AAMDNodes &N, bool Merge) const {
   if (Merge)
     N.TBAA =
-        MDNode::getMostGenericTBAA(N.TBAA, getMDNode(LLVMContext::MD_tbaa));
+        MDNode::getMostGenericTBAA(N.TBAA, getMetadata(LLVMContext::MD_tbaa));
   else
-    N.TBAA = getMDNode(LLVMContext::MD_tbaa);
+    N.TBAA = getMetadata(LLVMContext::MD_tbaa);
 
   if (Merge)
     N.Scope =
-        MDNode::intersect(N.Scope, getMDNode(LLVMContext::MD_alias_scope));
+        MDNode::intersect(N.Scope, getMetadata(LLVMContext::MD_alias_scope));
   else
-    N.Scope = getMDNode(LLVMContext::MD_alias_scope);
+    N.Scope = getMetadata(LLVMContext::MD_alias_scope);
 
   if (Merge)
     N.NoAlias =
-        MDNode::intersect(N.NoAlias, getMDNode(LLVMContext::MD_noalias));
+        MDNode::intersect(N.NoAlias, getMetadata(LLVMContext::MD_noalias));
   else
-    N.NoAlias = getMDNode(LLVMContext::MD_noalias);
+    N.NoAlias = getMetadata(LLVMContext::MD_noalias);
 }
 

Modified: llvm/trunk/lib/Analysis/ValueTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ValueTracking.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ValueTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/ValueTracking.cpp Tue Nov 11 15:30:22 2014
@@ -862,7 +862,7 @@ void computeKnownBits(Value *V, APInt &K
   switch (I->getOpcode()) {
   default: break;
   case Instruction::Load:
-    if (MDNode *MD = cast<LoadInst>(I)->getMDNode(LLVMContext::MD_range))
+    if (MDNode *MD = cast<LoadInst>(I)->getMetadata(LLVMContext::MD_range))
       computeKnownBitsFromRangeMetadata(*MD, KnownZero);
     break;
   case Instruction::And: {
@@ -1258,7 +1258,7 @@ void computeKnownBits(Value *V, APInt &K
   }
   case Instruction::Call:
   case Instruction::Invoke:
-    if (MDNode *MD = cast<Instruction>(I)->getMDNode(LLVMContext::MD_range))
+    if (MDNode *MD = cast<Instruction>(I)->getMetadata(LLVMContext::MD_range))
       computeKnownBitsFromRangeMetadata(*MD, KnownZero);
     // If a range metadata is attached to this IntrinsicInst, intersect the
     // explicit range specified by the metadata and the implicit range of
@@ -1533,7 +1533,7 @@ bool isKnownNonZero(Value *V, const Data
   }
 
   if (Instruction* I = dyn_cast<Instruction>(V)) {
-    if (MDNode *Ranges = I->getMDNode(LLVMContext::MD_range)) {
+    if (MDNode *Ranges = I->getMetadata(LLVMContext::MD_range)) {
       // If the possible ranges don't contain zero, then the value is
       // definitely non-zero.
       if (IntegerType* Ty = dyn_cast<IntegerType>(V->getType())) {

Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
+++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Tue Nov 11 15:30:22 2014
@@ -848,7 +848,7 @@ static void WriteMetadataAttachment(cons
 
   // Write metadata attachments
   // METADATA_ATTACHMENT - [m x [value, [n x [id, mdnode]]]
-  SmallVector<std::pair<unsigned, Value *>, 4> MDs;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
 
   for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
     for (BasicBlock::const_iterator I = BB->begin(), E = BB->end();

Modified: llvm/trunk/lib/Bitcode/Writer/ValueEnumerator.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/ValueEnumerator.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Writer/ValueEnumerator.cpp (original)
+++ llvm/trunk/lib/Bitcode/Writer/ValueEnumerator.cpp Tue Nov 11 15:30:22 2014
@@ -321,7 +321,7 @@ ValueEnumerator::ValueEnumerator(const M
   EnumerateValueSymbolTable(M->getValueSymbolTable());
   EnumerateNamedMetadata(M);
 
-  SmallVector<std::pair<unsigned, Value *>, 8> MDs;
+  SmallVector<std::pair<unsigned, MDNode *>, 8> MDs;
 
   // Enumerate types used by function bodies and argument lists.
   for (const Function &F : *M) {
@@ -347,7 +347,7 @@ ValueEnumerator::ValueEnumerator(const M
         MDs.clear();
         I.getAllMetadataOtherThanDebugLoc(MDs);
         for (unsigned i = 0, e = MDs.size(); i != e; ++i)
-          EnumerateMetadata(cast<MDNode>(MDs[i].second));
+          EnumerateMetadata(MDs[i].second);
 
         if (!I.getDebugLoc().isUnknown()) {
           MDNode *Scope, *IA;
@@ -741,10 +741,10 @@ void ValueEnumerator::incorporateFunctio
             FnLocalMDVector.push_back(MD);
       }
 
-      SmallVector<std::pair<unsigned, Value *>, 8> MDs;
+      SmallVector<std::pair<unsigned, MDNode *>, 8> MDs;
       I->getAllMetadataOtherThanDebugLoc(MDs);
       for (unsigned i = 0, e = MDs.size(); i != e; ++i) {
-        auto *N = cast<MDNode>(MDs[i].second);
+        MDNode *N = MDs[i].second;
         if (N->isFunctionLocal() && N->getFunction())
           FnLocalMDVector.push_back(N);
       }

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Tue Nov 11 15:30:22 2014
@@ -1399,7 +1399,7 @@ void AsmPrinter::EmitModuleIdents(Module
 
   if (const NamedMDNode *NMD = M.getNamedMetadata("llvm.ident")) {
     for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
-      const MDNode *N = NMD->getOperandAsMDNode(i);
+      const MDNode *N = NMD->getOperand(i);
       assert(N->getNumOperands() == 1 &&
              "llvm.ident metadata entry can have only one operand");
       const MDString *S = cast<MDString>(N->getOperand(0));

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Tue Nov 11 15:30:22 2014
@@ -450,8 +450,8 @@ void DwarfDebug::beginModule() {
 
   SingleCU = CU_Nodes->getNumOperands() == 1;
 
-  for (Value *N : CU_Nodes->operands()) {
-    DICompileUnit CUNode(cast<MDNode>(N));
+  for (MDNode *N : CU_Nodes->operands()) {
+    DICompileUnit CUNode(N);
     DwarfCompileUnit &CU = constructDwarfCompileUnit(CUNode);
     DIArray ImportedEntities = CUNode.getImportedEntities();
     for (unsigned i = 0, e = ImportedEntities.getNumElements(); i != e; ++i)
@@ -526,8 +526,8 @@ void DwarfDebug::collectDeadVariables()
   const Module *M = MMI->getModule();
 
   if (NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu")) {
-    for (Value *N : CU_Nodes->operands()) {
-      DICompileUnit TheCU(cast<MDNode>(N));
+    for (MDNode *N : CU_Nodes->operands()) {
+      DICompileUnit TheCU(N);
       // Construct subprogram DIE and add variables DIEs.
       DwarfCompileUnit *SPCU =
           static_cast<DwarfCompileUnit *>(CUMap.lookup(TheCU));

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Tue Nov 11 15:30:22 2014
@@ -2122,9 +2122,9 @@ FastISel::createMachineMemOperandFor(con
   } else
     return nullptr;
 
-  bool IsNonTemporal = I->getMDNode(LLVMContext::MD_nontemporal) != nullptr;
-  bool IsInvariant = I->getMDNode(LLVMContext::MD_invariant_load) != nullptr;
-  const MDNode *Ranges = I->getMDNode(LLVMContext::MD_range);
+  bool IsNonTemporal = I->getMetadata(LLVMContext::MD_nontemporal) != nullptr;
+  bool IsInvariant = I->getMetadata(LLVMContext::MD_invariant_load) != nullptr;
+  const MDNode *Ranges = I->getMetadata(LLVMContext::MD_range);
 
   AAMDNodes AAInfo;
   I->getAAMetadata(AAInfo);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Tue Nov 11 15:30:22 2014
@@ -3480,13 +3480,13 @@ void SelectionDAGBuilder::visitLoad(cons
   Type *Ty = I.getType();
 
   bool isVolatile = I.isVolatile();
-  bool isNonTemporal = I.getMDNode(LLVMContext::MD_nontemporal) != nullptr;
-  bool isInvariant = I.getMDNode(LLVMContext::MD_invariant_load) != nullptr;
+  bool isNonTemporal = I.getMetadata(LLVMContext::MD_nontemporal) != nullptr;
+  bool isInvariant = I.getMetadata(LLVMContext::MD_invariant_load) != nullptr;
   unsigned Alignment = I.getAlignment();
 
   AAMDNodes AAInfo;
   I.getAAMetadata(AAInfo);
-  const MDNode *Ranges = I.getMDNode(LLVMContext::MD_range);
+  const MDNode *Ranges = I.getMetadata(LLVMContext::MD_range);
 
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
   SmallVector<EVT, 4> ValueVTs;
@@ -3584,7 +3584,7 @@ void SelectionDAGBuilder::visitStore(con
                                           NumValues));
   EVT PtrVT = Ptr.getValueType();
   bool isVolatile = I.isVolatile();
-  bool isNonTemporal = I.getMDNode(LLVMContext::MD_nontemporal) != nullptr;
+  bool isNonTemporal = I.getMetadata(LLVMContext::MD_nontemporal) != nullptr;
   unsigned Alignment = I.getAlignment();
 
   AAMDNodes AAInfo;
@@ -6479,7 +6479,7 @@ void SelectionDAGBuilder::visitInlineAsm
   // If we have a !srcloc metadata node associated with it, we want to attach
   // this to the ultimately generated inline asm machineinstr.  To do this, we
   // pass in the third operand as this (potentially null) inline asm MDNode.
-  const MDNode *SrcLoc = CS.getInstruction()->getMDNode("srcloc");
+  const MDNode *SrcLoc = CS.getInstruction()->getMetadata("srcloc");
   AsmNodeOperands.push_back(DAG.getMDNode(SrcLoc));
 
   // Remember the HasSideEffect, AlignStack, AsmDialect, MayLoad and MayStore

Modified: llvm/trunk/lib/IR/AsmWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AsmWriter.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/AsmWriter.cpp (original)
+++ llvm/trunk/lib/IR/AsmWriter.cpp Tue Nov 11 15:30:22 2014
@@ -545,7 +545,7 @@ public:
   /// plane.  If something is not in the SlotTracker, return -1.
   int getLocalSlot(const Value *V);
   int getGlobalSlot(const GlobalValue *V);
-  int getMetadataSlot(const Value *MD);
+  int getMetadataSlot(const MDNode *N);
   int getAttributeGroupSlot(AttributeSet AS);
 
   /// If you'd like to deal with a function instead of just a module, use
@@ -585,7 +585,7 @@ private:
   void CreateModuleSlot(const GlobalValue *V);
 
   /// CreateMetadataSlot - Insert the specified MDNode* into the slot table.
-  void CreateMetadataSlot(const Value *MD);
+  void CreateMetadataSlot(const MDNode *N);
 
   /// CreateFunctionSlot - Insert the specified Value* into the slot table.
   void CreateFunctionSlot(const Value *V);
@@ -718,7 +718,7 @@ void SlotTracker::processFunction() {
 
   ST_DEBUG("Inserting Instructions:\n");
 
-  SmallVector<std::pair<unsigned, Value *>, 4> MDForInst;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> MDForInst;
 
   // Add all of the basic blocks and instructions with no names.
   for (Function::const_iterator BB = TheFunction->begin(),
@@ -755,7 +755,7 @@ void SlotTracker::processFunction() {
       // Process metadata attached with this instruction.
       I->getAllMetadata(MDForInst);
       for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
-        CreateMetadataSlot(cast<MDNode>(MDForInst[i].second));
+        CreateMetadataSlot(MDForInst[i].second);
       MDForInst.clear();
     }
   }
@@ -786,13 +786,13 @@ int SlotTracker::getGlobalSlot(const Glo
   return MI == mMap.end() ? -1 : (int)MI->second;
 }
 
-/// getMetadataSlot - Get the slot number of a metadata node.
-int SlotTracker::getMetadataSlot(const Value *MD) {
+/// getMetadataSlot - Get the slot number of a MDNode.
+int SlotTracker::getMetadataSlot(const MDNode *N) {
   // Check for uninitialized state and do lazy initialization.
   initialize();
 
   // Find the MDNode in the module map
-  mdn_iterator MI = mdnMap.find(cast<MDNode>(MD));
+  mdn_iterator MI = mdnMap.find(N);
   return MI == mdnMap.end() ? -1 : (int)MI->second;
 }
 
@@ -846,10 +846,9 @@ void SlotTracker::CreateFunctionSlot(con
            DestSlot << " [o]\n");
 }
 
-/// CreateModuleSlot - Insert the specified metadata into the slot table.
-void SlotTracker::CreateMetadataSlot(const Value *MD) {
-  assert(MD && "Can't insert a null Value into SlotTracker!");
-  const MDNode *N = cast<MDNode>(MD);
+/// CreateModuleSlot - Insert the specified MDNode* into the slot table.
+void SlotTracker::CreateMetadataSlot(const MDNode *N) {
+  assert(N && "Can't insert a null Value into SlotTracker!");
 
   // Don't insert if N is a function-local metadata, these are always printed
   // inline.
@@ -2316,7 +2315,7 @@ void AssemblyWriter::printInstruction(co
   }
 
   // Print Metadata info.
-  SmallVector<std::pair<unsigned, Value *>, 4> InstMD;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> InstMD;
   I.getAllMetadata(InstMD);
   if (!InstMD.empty()) {
     SmallVector<StringRef, 8> MDNames;
@@ -2329,8 +2328,8 @@ void AssemblyWriter::printInstruction(co
          Out << ", !<unknown kind #" << Kind << ">";
        }
       Out << ' ';
-      WriteAsOperandInternal(Out, cast<MDNode>(InstMD[i].second), &TypePrinter,
-                             &Machine, TheModule);
+      WriteAsOperandInternal(Out, InstMD[i].second, &TypePrinter, &Machine,
+                             TheModule);
     }
   }
   printInfoComment(I);

Modified: llvm/trunk/lib/IR/AutoUpgrade.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AutoUpgrade.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/AutoUpgrade.cpp (original)
+++ llvm/trunk/lib/IR/AutoUpgrade.cpp Tue Nov 11 15:30:22 2014
@@ -571,7 +571,7 @@ void llvm::UpgradeCallsToIntrinsic(Funct
 }
 
 void llvm::UpgradeInstWithTBAATag(Instruction *I) {
-  MDNode *MD = I->getMDNode(LLVMContext::MD_tbaa);
+  MDNode *MD = I->getMetadata(LLVMContext::MD_tbaa);
   assert(MD && "UpgradeInstWithTBAATag should have a TBAA tag");
   // Check if the tag uses struct-path aware TBAA format.
   if (isa<MDNode>(MD->getOperand(0)) && MD->getNumOperands() >= 3)

Modified: llvm/trunk/lib/IR/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Core.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Core.cpp (original)
+++ llvm/trunk/lib/IR/Core.cpp Tue Nov 11 15:30:22 2014
@@ -561,7 +561,7 @@ LLVMValueRef LLVMGetMetadata(LLVMValueRe
 
 void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef MD) {
   unwrap<Instruction>(Inst)
-      ->setMetadata(KindID, MD ? unwrap<Value>(MD) : nullptr);
+      ->setMetadata(KindID, MD ? unwrap<MDNode>(MD) : nullptr);
 }
 
 /*--.. Conversion functions ................................................--*/
@@ -720,7 +720,7 @@ void LLVMAddNamedMetadataOperand(LLVMMod
   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
   if (!N)
     return;
-  Value *Op = Val ? unwrap<Value>(Val) : nullptr;
+  MDNode *Op = Val ? unwrap<MDNode>(Val) : nullptr;
   if (Op)
     N->addOperand(Op);
 }

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Tue Nov 11 15:30:22 2014
@@ -949,7 +949,7 @@ DITypeIdentifierMap
 llvm::generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes) {
   DITypeIdentifierMap Map;
   for (unsigned CUi = 0, CUe = CU_Nodes->getNumOperands(); CUi != CUe; ++CUi) {
-    DICompileUnit CU(CU_Nodes->getOperandAsMDNode(CUi));
+    DICompileUnit CU(CU_Nodes->getOperand(CUi));
     DIArray Retain = CU.getRetainedTypes();
     for (unsigned Ti = 0, Te = Retain.getNumElements(); Ti != Te; ++Ti) {
       if (!Retain.getElement(Ti).isCompositeType())
@@ -997,7 +997,7 @@ void DebugInfoFinder::processModule(cons
   InitializeTypeMap(M);
   if (NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu")) {
     for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
-      DICompileUnit CU(CU_Nodes->getOperandAsMDNode(i));
+      DICompileUnit CU(CU_Nodes->getOperand(i));
       addCompileUnit(CU);
       DIArray GVs = CU.getGlobalVariables();
       for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i) {
@@ -1542,8 +1542,8 @@ llvm::makeSubprogramMap(const Module &M)
   if (!CU_Nodes)
     return R;
 
-  for (Value *N : CU_Nodes->operands()) {
-    DICompileUnit CUNode(cast<MDNode>(N));
+  for (MDNode *N : CU_Nodes->operands()) {
+    DICompileUnit CUNode(N);
     DIArray SPs = CUNode.getSubprograms();
     for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
       DISubprogram SP(SPs.getElement(i));

Modified: llvm/trunk/lib/IR/DiagnosticInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DiagnosticInfo.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DiagnosticInfo.cpp (original)
+++ llvm/trunk/lib/IR/DiagnosticInfo.cpp Tue Nov 11 15:30:22 2014
@@ -96,7 +96,7 @@ DiagnosticInfoInlineAsm::DiagnosticInfoI
                                                  DiagnosticSeverity Severity)
     : DiagnosticInfo(DK_InlineAsm, Severity), LocCookie(0), MsgStr(MsgStr),
       Instr(&I) {
-  if (const MDNode *SrcLoc = I.getMDNode("srcloc")) {
+  if (const MDNode *SrcLoc = I.getMetadata("srcloc")) {
     if (SrcLoc->getNumOperands() != 0)
       if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
         LocCookie = CI->getZExtValue();

Modified: llvm/trunk/lib/IR/Instruction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Instruction.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Instruction.cpp (original)
+++ llvm/trunk/lib/IR/Instruction.cpp Tue Nov 11 15:30:22 2014
@@ -548,7 +548,7 @@ Instruction *Instruction::clone() const
 
   // Otherwise, enumerate and copy over metadata from the old instruction to the
   // new one.
-  SmallVector<std::pair<unsigned, Value *>, 4> TheMDs;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> TheMDs;
   getAllMetadataOtherThanDebugLoc(TheMDs);
   for (const auto &MD : TheMDs)
     New->setMetadata(MD.first, MD.second);

Modified: llvm/trunk/lib/IR/Instructions.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Instructions.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Instructions.cpp (original)
+++ llvm/trunk/lib/IR/Instructions.cpp Tue Nov 11 15:30:22 2014
@@ -791,7 +791,7 @@ void BranchInst::swapSuccessors() {
 
   // Update profile metadata if present and it matches our structural
   // expectations.
-  MDNode *ProfileData = getMDNode(LLVMContext::MD_prof);
+  MDNode *ProfileData = getMetadata(LLVMContext::MD_prof);
   if (!ProfileData || ProfileData->getNumOperands() != 3)
     return;
 
@@ -2072,7 +2072,8 @@ void BinaryOperator::andIRFlags(const Va
 /// An accuracy of 0.0 means that the operation should be performed with the
 /// default precision.
 float FPMathOperator::getFPAccuracy() const {
-  const MDNode *MD = cast<Instruction>(this)->getMDNode(LLVMContext::MD_fpmath);
+  const MDNode *MD =
+      cast<Instruction>(this)->getMetadata(LLVMContext::MD_fpmath);
   if (!MD)
     return 0.0;
   ConstantFP *Accuracy = cast<ConstantFP>(MD->getOperand(0));

Modified: llvm/trunk/lib/IR/Metadata.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Metadata.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Metadata.cpp (original)
+++ llvm/trunk/lib/IR/Metadata.cpp Tue Nov 11 15:30:22 2014
@@ -555,13 +555,13 @@ MDNode *MDNode::getMostGenericRange(MDNo
 // NamedMDNode implementation.
 //
 
-static SmallVector<TrackingVH<Value>, 4> &getNMDOps(void *Operands) {
-  return *(SmallVector<TrackingVH<Value>, 4> *)Operands;
+static SmallVector<TrackingVH<MDNode>, 4> &getNMDOps(void *Operands) {
+  return *(SmallVector<TrackingVH<MDNode>, 4> *)Operands;
 }
 
 NamedMDNode::NamedMDNode(const Twine &N)
     : Name(N.str()), Parent(nullptr),
-      Operands(new SmallVector<TrackingVH<Value>, 4>()) {}
+      Operands(new SmallVector<TrackingVH<MDNode>, 4>()) {}
 
 NamedMDNode::~NamedMDNode() {
   dropAllReferences();
@@ -572,16 +572,15 @@ unsigned NamedMDNode::getNumOperands() c
   return (unsigned)getNMDOps(Operands).size();
 }
 
-Value *NamedMDNode::getOperand(unsigned i) const {
+MDNode *NamedMDNode::getOperand(unsigned i) const {
   assert(i < getNumOperands() && "Invalid Operand number!");
   return &*getNMDOps(Operands)[i];
 }
 
-void NamedMDNode::addOperand(Value *V) {
-  auto *M = cast<MDNode>(V);
+void NamedMDNode::addOperand(MDNode *M) {
   assert(!M->isFunctionLocal() &&
          "NamedMDNode operands must not be function-local!");
-  getNMDOps(Operands).push_back(TrackingVH<Value>(M));
+  getNMDOps(Operands).push_back(TrackingVH<MDNode>(M));
 }
 
 void NamedMDNode::eraseFromParent() {
@@ -600,23 +599,16 @@ StringRef NamedMDNode::getName() const {
 // Instruction Metadata method implementations.
 //
 
-void Instruction::setMetadata(StringRef Kind, Value *MD) {
-  if (!MD && !hasMetadata()) return;
-  setMetadata(getContext().getMDKindID(Kind), MD);
+void Instruction::setMetadata(StringRef Kind, MDNode *Node) {
+  if (!Node && !hasMetadata())
+    return;
+  setMetadata(getContext().getMDKindID(Kind), Node);
 }
 
-Value *Instruction::getMetadataImpl(StringRef Kind) const {
+MDNode *Instruction::getMetadataImpl(StringRef Kind) const {
   return getMetadataImpl(getContext().getMDKindID(Kind));
 }
 
-MDNode *Instruction::getMDNodeImpl(unsigned KindID) const {
-  return cast_or_null<MDNode>(getMetadataImpl(KindID));
-}
-
-MDNode *Instruction::getMDNodeImpl(StringRef Kind) const {
-  return cast_or_null<MDNode>(getMetadataImpl(Kind));
-}
-
 void Instruction::dropUnknownMetadata(ArrayRef<unsigned> KnownIDs) {
   SmallSet<unsigned, 5> KnownSet;
   KnownSet.insert(KnownIDs.begin(), KnownIDs.end());
@@ -663,12 +655,10 @@ void Instruction::dropUnknownMetadata(Ar
 
 /// setMetadata - Set the metadata of of the specified kind to the specified
 /// node.  This updates/replaces metadata if already present, or removes it if
-/// MD is null.
-void Instruction::setMetadata(unsigned KindID, Value *MD) {
-  if (!MD && !hasMetadata()) return;
-
-  // For now, we only expect MDNodes here.
-  MDNode *Node = cast_or_null<MDNode>(MD);
+/// Node is null.
+void Instruction::setMetadata(unsigned KindID, MDNode *Node) {
+  if (!Node && !hasMetadata())
+    return;
 
   // Handle 'dbg' as a special case since it is not stored in the hash table.
   if (KindID == LLVMContext::MD_dbg) {
@@ -729,7 +719,7 @@ void Instruction::setAAMetadata(const AA
   setMetadata(LLVMContext::MD_noalias, N.NoAlias);
 }
 
-Value *Instruction::getMetadataImpl(unsigned KindID) const {
+MDNode *Instruction::getMetadataImpl(unsigned KindID) const {
   // Handle 'dbg' as a special case since it is not stored in the hash table.
   if (KindID == LLVMContext::MD_dbg)
     return DbgLoc.getAsMDNode(getContext());
@@ -746,7 +736,7 @@ Value *Instruction::getMetadataImpl(unsi
 }
 
 void Instruction::getAllMetadataImpl(
-    SmallVectorImpl<std::pair<unsigned, Value *>> &Result) const {
+    SmallVectorImpl<std::pair<unsigned, MDNode *>> &Result) const {
   Result.clear();
   
   // Handle 'dbg' as a special case since it is not stored in the hash table.
@@ -771,7 +761,7 @@ void Instruction::getAllMetadataImpl(
 }
 
 void Instruction::getAllMetadataOtherThanDebugLocImpl(
-    SmallVectorImpl<std::pair<unsigned, Value *>> &Result) const {
+    SmallVectorImpl<std::pair<unsigned, MDNode *>> &Result) const {
   Result.clear();
   assert(hasMetadataHashEntry() &&
          getContext().pImpl->MetadataStore.count(this) &&

Modified: llvm/trunk/lib/IR/Module.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Module.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Module.cpp (original)
+++ llvm/trunk/lib/IR/Module.cpp Tue Nov 11 15:30:22 2014
@@ -276,8 +276,7 @@ getModuleFlagsMetadata(SmallVectorImpl<M
   const NamedMDNode *ModFlags = getModuleFlagsMetadata();
   if (!ModFlags) return;
 
-  for (const Value *FlagMD : ModFlags->operands()) {
-    const MDNode *Flag = cast<MDNode>(FlagMD);
+  for (const MDNode *Flag : ModFlags->operands()) {
     ModFlagBehavior MFB;
     if (Flag->getNumOperands() >= 3 &&
         isValidModFlagBehavior(Flag->getOperand(0), MFB) &&

Modified: llvm/trunk/lib/IR/TypeFinder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/TypeFinder.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/TypeFinder.cpp (original)
+++ llvm/trunk/lib/IR/TypeFinder.cpp Tue Nov 11 15:30:22 2014
@@ -40,7 +40,7 @@ void TypeFinder::run(const Module &M, bo
   }
 
   // Get types from functions.
-  SmallVector<std::pair<unsigned, Value *>, 4> MDForInst;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> MDForInst;
   for (Module::const_iterator FI = M.begin(), E = M.end(); FI != E; ++FI) {
     incorporateType(FI->getType());
 
@@ -71,7 +71,7 @@ void TypeFinder::run(const Module &M, bo
         // Incorporate types hiding in metadata.
         I.getAllMetadataOtherThanDebugLoc(MDForInst);
         for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
-          incorporateMDNode(cast<MDNode>(MDForInst[i].second));
+          incorporateMDNode(MDForInst[i].second);
 
         MDForInst.clear();
       }
@@ -81,7 +81,7 @@ void TypeFinder::run(const Module &M, bo
          E = M.named_metadata_end(); I != E; ++I) {
     const NamedMDNode *NMD = I;
     for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
-      incorporateMDNode(NMD->getOperandAsMDNode(i));
+      incorporateMDNode(NMD->getOperand(i));
   }
 }
 

Modified: llvm/trunk/lib/IR/Verifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Verifier.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Verifier.cpp (original)
+++ llvm/trunk/lib/IR/Verifier.cpp Tue Nov 11 15:30:22 2014
@@ -555,7 +555,7 @@ void Verifier::visitGlobalAlias(const Gl
 
 void Verifier::visitNamedMDNode(const NamedMDNode &NMD) {
   for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i) {
-    MDNode *MD = NMD.getOperandAsMDNode(i);
+    MDNode *MD = NMD.getOperand(i);
     if (!MD)
       continue;
 
@@ -624,7 +624,7 @@ void Verifier::visitModuleIdents(const M
   // llvm.ident takes a list of metadata entry. Each entry has only one string.
   // Scan each llvm.ident entry and make sure that this requirement is met.
   for (unsigned i = 0, e = Idents->getNumOperands(); i != e; ++i) {
-    const MDNode *N = Idents->getOperandAsMDNode(i);
+    const MDNode *N = Idents->getOperand(i);
     Assert1(N->getNumOperands() == 1,
             "incorrect number of operands in llvm.ident metadata", N);
     Assert1(isa<MDString>(N->getOperand(0)),
@@ -642,7 +642,7 @@ void Verifier::visitModuleFlags(const Mo
   DenseMap<const MDString*, const MDNode*> SeenIDs;
   SmallVector<const MDNode*, 16> Requirements;
   for (unsigned I = 0, E = Flags->getNumOperands(); I != E; ++I) {
-    visitModuleFlag(Flags->getOperandAsMDNode(I), SeenIDs, Requirements);
+    visitModuleFlag(Flags->getOperand(I), SeenIDs, Requirements);
   }
 
   // Validate that the requirements in the module are valid.
@@ -2267,7 +2267,7 @@ void Verifier::visitInstruction(Instruct
     }
   }
 
-  if (MDNode *MD = I.getMDNode(LLVMContext::MD_fpmath)) {
+  if (MDNode *MD = I.getMetadata(LLVMContext::MD_fpmath)) {
     Assert1(I.getType()->isFPOrFPVectorTy(),
             "fpmath requires a floating point result!", &I);
     Assert1(MD->getNumOperands() == 1, "fpmath takes one operand!", &I);
@@ -2281,7 +2281,7 @@ void Verifier::visitInstruction(Instruct
     }
   }
 
-  if (MDNode *Range = I.getMDNode(LLVMContext::MD_range)) {
+  if (MDNode *Range = I.getMetadata(LLVMContext::MD_range)) {
     Assert1(isa<LoadInst>(I) || isa<CallInst>(I) || isa<InvokeInst>(I),
             "Ranges are only for loads, calls and invokes!", &I);
     visitRangeMetadata(I, Range, I.getType());
@@ -2587,7 +2587,7 @@ void DebugInfoVerifier::verifyDebugInfo(
 void DebugInfoVerifier::processInstructions(DebugInfoFinder &Finder) {
   for (const Function &F : *M)
     for (auto I = inst_begin(&F), E = inst_end(&F); I != E; ++I) {
-      if (MDNode *MD = I->getMDNode(LLVMContext::MD_dbg))
+      if (MDNode *MD = I->getMetadata(LLVMContext::MD_dbg))
         Finder.processLocation(*M, DILocation(MD));
       if (const CallInst *CI = dyn_cast<CallInst>(&*I))
         processCallInst(Finder, *CI);

Modified: llvm/trunk/lib/Linker/LinkModules.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Linker/LinkModules.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Linker/LinkModules.cpp (original)
+++ llvm/trunk/lib/Linker/LinkModules.cpp Tue Nov 11 15:30:22 2014
@@ -1287,7 +1287,7 @@ bool ModuleLinker::linkModuleFlagsMetada
   DenseMap<MDString*, MDNode*> Flags;
   SmallSetVector<MDNode*, 16> Requirements;
   for (unsigned I = 0, E = DstModFlags->getNumOperands(); I != E; ++I) {
-    MDNode *Op = DstModFlags->getOperandAsMDNode(I);
+    MDNode *Op = DstModFlags->getOperand(I);
     ConstantInt *Behavior = cast<ConstantInt>(Op->getOperand(0));
     MDString *ID = cast<MDString>(Op->getOperand(1));
 
@@ -1302,7 +1302,7 @@ bool ModuleLinker::linkModuleFlagsMetada
   // requirements.
   bool HasErr = false;
   for (unsigned I = 0, E = SrcModFlags->getNumOperands(); I != E; ++I) {
-    MDNode *SrcOp = SrcModFlags->getOperandAsMDNode(I);
+    MDNode *SrcOp = SrcModFlags->getOperand(I);
     ConstantInt *SrcBehavior = cast<ConstantInt>(SrcOp->getOperand(0));
     MDString *ID = cast<MDString>(SrcOp->getOperand(1));
     MDNode *DstOp = Flags.lookup(ID);

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp Tue Nov 11 15:30:22 2014
@@ -371,7 +371,7 @@ void GenericToNVVM::remapNamedMDNode(Mod
   // Check if any operand is or contains a global variable in  GVMap, and thus
   // converted to another value.
   for (unsigned i = 0; i < NumOperands; ++i) {
-    MDNode *Operand = cast<MDNode>(N->getOperand(i));
+    MDNode *Operand = N->getOperand(i);
     MDNode *NewOperand = remapMDNode(M, Operand);
     OperandChanged |= Operand != NewOperand;
     NewOperands.push_back(NewOperand);

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXUtilities.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXUtilities.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXUtilities.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXUtilities.cpp Tue Nov 11 15:30:22 2014
@@ -73,7 +73,7 @@ static void cacheAnnotationFromMD(const
     return;
   key_val_pair_t tmp;
   for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
-    const MDNode *elem = NMD->getOperandAsMDNode(i);
+    const MDNode *elem = NMD->getOperand(i);
 
     Value *entity = elem->getOperand(0);
     // entity may be null due to DCE
@@ -319,7 +319,7 @@ bool llvm::getAlign(const Function &F, u
 }
 
 bool llvm::getAlign(const CallInst &I, unsigned index, unsigned &align) {
-  if (MDNode *alignNode = I.getMDNode("callalign")) {
+  if (MDNode *alignNode = I.getMetadata("callalign")) {
     for (int i = 0, n = alignNode->getNumOperands(); i < n; i++) {
       if (const ConstantInt *CI =
               dyn_cast<ConstantInt>(alignNode->getOperand(i))) {

Modified: llvm/trunk/lib/Target/R600/SITypeRewriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SITypeRewriter.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SITypeRewriter.cpp (original)
+++ llvm/trunk/lib/Target/R600/SITypeRewriter.cpp Tue Nov 11 15:30:22 2014
@@ -87,8 +87,7 @@ void SITypeRewriter::visitLoadInst(LoadI
     Value *BitCast = Builder.CreateBitCast(Ptr,
         PointerType::get(v4i32,PtrTy->getPointerAddressSpace()));
     LoadInst *Load = Builder.CreateLoad(BitCast);
-    // FIXME: Should the DebugLoc really get dropped here?
-    SmallVector<std::pair<unsigned, Value *>, 8> MD;
+    SmallVector<std::pair<unsigned, MDNode *>, 8> MD;
     I.getAllMetadataOtherThanDebugLoc(MD);
     for (unsigned i = 0, e = MD.size(); i != e; ++i) {
       Load->setMetadata(MD[i].first, MD[i].second);

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp Tue Nov 11 15:30:22 2014
@@ -117,7 +117,7 @@ Instruction *InstCombiner::SimplifyMemTr
 
         // If the memcpy has metadata describing the members, see if we can
         // get the TBAA tag describing our copy.
-        if (MDNode *M = MI->getMDNode(LLVMContext::MD_tbaa_struct)) {
+        if (MDNode *M = MI->getMetadata(LLVMContext::MD_tbaa_struct)) {
           if (M->getNumOperands() == 3 &&
               M->getOperand(0) &&
               isa<ConstantInt>(M->getOperand(0)) &&

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp Tue Nov 11 15:30:22 2014
@@ -304,7 +304,7 @@ Instruction *InstCombiner::visitAllocaIn
 static LoadInst *combineLoadToNewType(InstCombiner &IC, LoadInst &LI, Type *NewTy) {
   Value *Ptr = LI.getPointerOperand();
   unsigned AS = LI.getPointerAddressSpace();
-  SmallVector<std::pair<unsigned, Value *>, 8> MD;
+  SmallVector<std::pair<unsigned, MDNode *>, 8> MD;
   LI.getAllMetadata(MD);
 
   LoadInst *NewLoad = IC.Builder->CreateAlignedLoad(
@@ -312,7 +312,7 @@ static LoadInst *combineLoadToNewType(In
       LI.getAlignment(), LI.getName());
   for (const auto &MDPair : MD) {
     unsigned ID = MDPair.first;
-    Value *N = MDPair.second;
+    MDNode *N = MDPair.second;
     // Note, essentially every kind of metadata should be preserved here! This
     // routine is supposed to clone a load instruction changing *only its type*.
     // The only metadata it makes sense to drop is metadata which is invalidated

Modified: llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/AddressSanitizer.cpp Tue Nov 11 15:30:22 2014
@@ -256,9 +256,7 @@ class GlobalsMetadata {
     NamedMDNode *Globals = M.getNamedMetadata("llvm.asan.globals");
     if (!Globals)
       return;
-    for (const Value *MDV : Globals->operands()) {
-      const MDNode *MDN = cast<MDNode>(MDV);
-
+    for (auto MDN : Globals->operands()) {
       // Metadata node contains the global and the fields of "Entry".
       assert(MDN->getNumOperands() == 5);
       Value *V = MDN->getOperand(0);

Modified: llvm/trunk/lib/Transforms/Instrumentation/DebugIR.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/DebugIR.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/DebugIR.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/DebugIR.cpp Tue Nov 11 15:30:22 2014
@@ -474,7 +474,7 @@ bool getSourceInfoFromDI(const Module &M
   if (!CUNode || CUNode->getNumOperands() == 0)
     return false;
 
-  DICompileUnit CU(cast<MDNode>(CUNode->getOperand(0)));
+  DICompileUnit CU(CUNode->getOperand(0));
   if (!CU.Verify())
     return false;
 

Modified: llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp Tue Nov 11 15:30:22 2014
@@ -417,7 +417,7 @@ namespace {
 std::string GCOVProfiler::mangleName(DICompileUnit CU, const char *NewStem) {
   if (NamedMDNode *GCov = M->getNamedMetadata("llvm.gcov")) {
     for (int i = 0, e = GCov->getNumOperands(); i != e; ++i) {
-      MDNode *N = GCov->getOperandAsMDNode(i);
+      MDNode *N = GCov->getOperand(i);
       if (N->getNumOperands() != 2) continue;
       MDString *GCovFile = dyn_cast<MDString>(N->getOperand(0));
       MDNode *CompileUnit = dyn_cast<MDNode>(N->getOperand(1));
@@ -479,7 +479,7 @@ void GCOVProfiler::emitProfileNotes() {
     // this pass over the original .o's as they're produced, or run it after
     // LTO, we'll generate the same .gcno files.
 
-    DICompileUnit CU(CU_Nodes->getOperandAsMDNode(i));
+    DICompileUnit CU(CU_Nodes->getOperand(i));
     std::error_code EC;
     raw_fd_ostream out(mangleName(CU, "gcno"), EC, sys::fs::F_None);
     std::string EdgeDestinations;
@@ -566,7 +566,7 @@ bool GCOVProfiler::emitProfileArcs() {
   bool Result = false;
   bool InsertIndCounterIncrCode = false;
   for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
-    DICompileUnit CU(CU_Nodes->getOperandAsMDNode(i));
+    DICompileUnit CU(CU_Nodes->getOperand(i));
     DIArray SPs = CU.getSubprograms();
     SmallVector<std::pair<GlobalVariable *, MDNode *>, 8> CountersBySP;
     for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
@@ -847,7 +847,7 @@ Function *GCOVProfiler::insertCounterWri
   NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
   if (CU_Nodes) {
     for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
-      DICompileUnit CU(CU_Nodes->getOperandAsMDNode(i));
+      DICompileUnit CU(CU_Nodes->getOperand(i));
       std::string FilenameGcda = mangleName(CU, "gcda");
       uint32_t CfgChecksum = FileChecksums.empty() ? 0 : FileChecksums[i];
       Builder.CreateCall3(StartFile,

Modified: llvm/trunk/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/ThreadSanitizer.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/ThreadSanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/ThreadSanitizer.cpp Tue Nov 11 15:30:22 2014
@@ -231,7 +231,7 @@ bool ThreadSanitizer::doInitialization(M
 }
 
 static bool isVtableAccess(Instruction *I) {
-  if (MDNode *Tag = I->getMDNode(LLVMContext::MD_tbaa))
+  if (MDNode *Tag = I->getMetadata(LLVMContext::MD_tbaa))
     return Tag->isTBAAVtableAccess();
   return false;
 }

Modified: llvm/trunk/lib/Transforms/ObjCARC/ObjCARCContract.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/ObjCARC/ObjCARCContract.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/ObjCARC/ObjCARCContract.cpp (original)
+++ llvm/trunk/lib/Transforms/ObjCARC/ObjCARCContract.cpp Tue Nov 11 15:30:22 2014
@@ -305,7 +305,7 @@ bool ObjCARCContract::doInitialization(M
   if (NamedMDNode *NMD =
         M.getNamedMetadata("clang.arc.retainAutoreleasedReturnValueMarker"))
     if (NMD->getNumOperands() == 1) {
-      const MDNode *N = NMD->getOperandAsMDNode(0);
+      const MDNode *N = NMD->getOperand(0);
       if (N->getNumOperands() == 1)
         if (const MDString *S = dyn_cast<MDString>(N->getOperand(0)))
           RetainRVMarker = S;

Modified: llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp (original)
+++ llvm/trunk/lib/Transforms/ObjCARC/ObjCARCOpts.cpp Tue Nov 11 15:30:22 2014
@@ -825,7 +825,7 @@ static MDString *AppendMDNodeToSourcePtr
   // reference to said Node. Otherwise just return 0.
   if (Instruction *Inst = dyn_cast<Instruction>(Ptr)) {
     MDNode *Node;
-    if (!(Node = Inst->getMDNode(NodeId))) {
+    if (!(Node = Inst->getMetadata(NodeId))) {
       // We do not have any node. Generate and attatch the hash MDString to the
       // instruction.
 
@@ -1736,7 +1736,7 @@ ObjCARCOpt::VisitInstructionBottomUp(Ins
       NestingDetected = true;
     }
 
-    MDNode *ReleaseMetadata = Inst->getMDNode(ImpreciseReleaseMDKind);
+    MDNode *ReleaseMetadata = Inst->getMetadata(ImpreciseReleaseMDKind);
     Sequence NewSeq = ReleaseMetadata ? S_MovableRelease : S_Release;
     ANNOTATE_BOTTOMUP(Inst, Arg, S.GetSeq(), NewSeq);
     S.ResetSequenceProgress(NewSeq);
@@ -2017,7 +2017,7 @@ ObjCARCOpt::VisitInstructionTopDown(Inst
 
     Sequence OldSeq = S.GetSeq();
 
-    MDNode *ReleaseMetadata = Inst->getMDNode(ImpreciseReleaseMDKind);
+    MDNode *ReleaseMetadata = Inst->getMetadata(ImpreciseReleaseMDKind);
 
     switch (OldSeq) {
     case S_Retain:

Modified: llvm/trunk/lib/Transforms/Scalar/Scalarizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/Scalarizer.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/Scalarizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/Scalarizer.cpp Tue Nov 11 15:30:22 2014
@@ -327,11 +327,14 @@ bool Scalarizer::canTransferMetadata(uns
 // Transfer metadata from Op to the instructions in CV if it is known
 // to be safe to do so.
 void Scalarizer::transferMetadata(Instruction *Op, const ValueVector &CV) {
-  SmallVector<std::pair<unsigned, Value *>, 4> MDs;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
   Op->getAllMetadataOtherThanDebugLoc(MDs);
   for (unsigned I = 0, E = CV.size(); I != E; ++I) {
     if (Instruction *New = dyn_cast<Instruction>(CV[I])) {
-      for (auto MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI)
+      for (SmallVectorImpl<std::pair<unsigned, MDNode *>>::iterator
+               MI = MDs.begin(),
+               ME = MDs.end();
+           MI != ME; ++MI)
         if (canTransferMetadata(MI->first))
           New->setMetadata(MI->first, MI->second);
       New->setDebugLoc(Op->getDebugLoc());

Modified: llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp Tue Nov 11 15:30:22 2014
@@ -297,9 +297,9 @@ static void CloneAliasScopeMetadata(Call
   for (Function::const_iterator I = CalledFunc->begin(), IE = CalledFunc->end();
        I != IE; ++I)
     for (BasicBlock::const_iterator J = I->begin(), JE = I->end(); J != JE; ++J) {
-      if (const MDNode *M = J->getMDNode(LLVMContext::MD_alias_scope))
+      if (const MDNode *M = J->getMetadata(LLVMContext::MD_alias_scope))
         MD.insert(M);
-      if (const MDNode *M = J->getMDNode(LLVMContext::MD_noalias))
+      if (const MDNode *M = J->getMetadata(LLVMContext::MD_noalias))
         MD.insert(M);
     }
 
@@ -359,31 +359,32 @@ static void CloneAliasScopeMetadata(Call
     if (!NI)
       continue;
 
-    if (MDNode *M = NI->getMDNode(LLVMContext::MD_alias_scope)) {
+    if (MDNode *M = NI->getMetadata(LLVMContext::MD_alias_scope)) {
       MDNode *NewMD = MDMap[M];
       // If the call site also had alias scope metadata (a list of scopes to
       // which instructions inside it might belong), propagate those scopes to
       // the inlined instructions.
       if (MDNode *CSM =
-              CS.getInstruction()->getMDNode(LLVMContext::MD_alias_scope))
+              CS.getInstruction()->getMetadata(LLVMContext::MD_alias_scope))
         NewMD = MDNode::concatenate(NewMD, CSM);
       NI->setMetadata(LLVMContext::MD_alias_scope, NewMD);
     } else if (NI->mayReadOrWriteMemory()) {
       if (MDNode *M =
-              CS.getInstruction()->getMDNode(LLVMContext::MD_alias_scope))
+              CS.getInstruction()->getMetadata(LLVMContext::MD_alias_scope))
         NI->setMetadata(LLVMContext::MD_alias_scope, M);
     }
 
-    if (MDNode *M = NI->getMDNode(LLVMContext::MD_noalias)) {
+    if (MDNode *M = NI->getMetadata(LLVMContext::MD_noalias)) {
       MDNode *NewMD = MDMap[M];
       // If the call site also had noalias metadata (a list of scopes with
       // which instructions inside it don't alias), propagate those scopes to
       // the inlined instructions.
-      if (MDNode *CSM = CS.getInstruction()->getMDNode(LLVMContext::MD_noalias))
+      if (MDNode *CSM =
+              CS.getInstruction()->getMetadata(LLVMContext::MD_noalias))
         NewMD = MDNode::concatenate(NewMD, CSM);
       NI->setMetadata(LLVMContext::MD_noalias, NewMD);
     } else if (NI->mayReadOrWriteMemory()) {
-      if (MDNode *M = CS.getInstruction()->getMDNode(LLVMContext::MD_noalias))
+      if (MDNode *M = CS.getInstruction()->getMetadata(LLVMContext::MD_noalias))
         NI->setMetadata(LLVMContext::MD_noalias, M);
     }
   }
@@ -589,7 +590,7 @@ static void AddAliasScopeMetadata(CallSi
       if (!NoAliases.empty())
         NI->setMetadata(LLVMContext::MD_noalias,
                         MDNode::concatenate(
-                            NI->getMDNode(LLVMContext::MD_noalias),
+                            NI->getMetadata(LLVMContext::MD_noalias),
                             MDNode::get(CalledFunc->getContext(), NoAliases)));
 
       // Next, we want to figure out all of the sets to which we might belong.
@@ -615,7 +616,7 @@ static void AddAliasScopeMetadata(CallSi
       if (!Scopes.empty())
         NI->setMetadata(
             LLVMContext::MD_alias_scope,
-            MDNode::concatenate(NI->getMDNode(LLVMContext::MD_alias_scope),
+            MDNode::concatenate(NI->getMetadata(LLVMContext::MD_alias_scope),
                                 MDNode::get(CalledFunc->getContext(), Scopes)));
     }
   }

Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/Local.cpp Tue Nov 11 15:30:22 2014
@@ -128,7 +128,7 @@ bool llvm::ConstantFoldTerminator(BasicB
       // Check to see if this branch is going to the same place as the default
       // dest.  If so, eliminate it as an explicit compare.
       if (i.getCaseSuccessor() == DefaultDest) {
-        MDNode *MD = SI->getMDNode(LLVMContext::MD_prof);
+        MDNode *MD = SI->getMetadata(LLVMContext::MD_prof);
         unsigned NCases = SI->getNumCases();
         // Fold the case metadata into the default if there will be any branches
         // left, unless the metadata doesn't match the switch.
@@ -206,7 +206,7 @@ bool llvm::ConstantFoldTerminator(BasicB
       BranchInst *NewBr = Builder.CreateCondBr(Cond,
                                                FirstCase.getCaseSuccessor(),
                                                SI->getDefaultDest());
-      MDNode *MD = SI->getMDNode(LLVMContext::MD_prof);
+      MDNode *MD = SI->getMetadata(LLVMContext::MD_prof);
       if (MD && MD->getNumOperands() == 3) {
         ConstantInt *SICase = dyn_cast<ConstantInt>(MD->getOperand(2));
         ConstantInt *SIDef = dyn_cast<ConstantInt>(MD->getOperand(1));
@@ -1308,13 +1308,13 @@ bool llvm::removeUnreachableBlocks(Funct
 }
 
 void llvm::combineMetadata(Instruction *K, const Instruction *J, ArrayRef<unsigned> KnownIDs) {
-  SmallVector<std::pair<unsigned, Value *>, 4> Metadata;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> Metadata;
   K->dropUnknownMetadata(KnownIDs);
   K->getAllMetadataOtherThanDebugLoc(Metadata);
   for (unsigned i = 0, n = Metadata.size(); i < n; ++i) {
     unsigned Kind = Metadata[i].first;
-    MDNode *JMD = J->getMDNode(Kind);
-    MDNode *KMD = cast<MDNode>(Metadata[i].second);
+    MDNode *JMD = J->getMetadata(Kind);
+    MDNode *KMD = Metadata[i].second;
 
     switch (Kind) {
       default:

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp Tue Nov 11 15:30:22 2014
@@ -643,7 +643,7 @@ SimplifyEqualityComparisonWithOnlyPredec
 
     // Collect branch weights into a vector.
     SmallVector<uint32_t, 8> Weights;
-    MDNode *MD = SI->getMDNode(LLVMContext::MD_prof);
+    MDNode *MD = SI->getMetadata(LLVMContext::MD_prof);
     bool HasWeight = MD && (MD->getNumOperands() == 2 + SI->getNumCases());
     if (HasWeight)
       for (unsigned MD_i = 1, MD_e = MD->getNumOperands(); MD_i < MD_e;
@@ -738,7 +738,7 @@ static int ConstantIntSortPredicate(Cons
 }
 
 static inline bool HasBranchWeights(const Instruction* I) {
-  MDNode *ProfMD = I->getMDNode(LLVMContext::MD_prof);
+  MDNode *ProfMD = I->getMetadata(LLVMContext::MD_prof);
   if (ProfMD && ProfMD->getOperand(0))
     if (MDString* MDS = dyn_cast<MDString>(ProfMD->getOperand(0)))
       return MDS->getString().equals("branch_weights");
@@ -751,7 +751,7 @@ static inline bool HasBranchWeights(cons
 /// metadata.
 static void GetBranchWeights(TerminatorInst *TI,
                              SmallVectorImpl<uint64_t> &Weights) {
-  MDNode *MD = TI->getMDNode(LLVMContext::MD_prof);
+  MDNode *MD = TI->getMetadata(LLVMContext::MD_prof);
   assert(MD);
   for (unsigned i = 1, e = MD->getNumOperands(); i < e; ++i) {
     ConstantInt *CI = cast<ConstantInt>(MD->getOperand(i));
@@ -1970,7 +1970,7 @@ static bool ExtractBranchMetadata(Branch
                                   uint64_t &ProbTrue, uint64_t &ProbFalse) {
   assert(BI->isConditional() &&
          "Looking for probabilities on unconditional branch?");
-  MDNode *ProfileData = BI->getMDNode(LLVMContext::MD_prof);
+  MDNode *ProfileData = BI->getMetadata(LLVMContext::MD_prof);
   if (!ProfileData || ProfileData->getNumOperands() != 3) return false;
   ConstantInt *CITrue = dyn_cast<ConstantInt>(ProfileData->getOperand(1));
   ConstantInt *CIFalse = dyn_cast<ConstantInt>(ProfileData->getOperand(2));

Modified: llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp Tue Nov 11 15:30:22 2014
@@ -208,11 +208,14 @@ void llvm::RemapInstruction(Instruction
   }
 
   // Remap attached metadata.
-  SmallVector<std::pair<unsigned, Value *>, 4> MDs;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
   I->getAllMetadata(MDs);
-  for (auto MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI) {
-    Value *Old = MI->second;
-    Value *New = MapValue(Old, VMap, Flags, TypeMapper, Materializer);
+  for (SmallVectorImpl<std::pair<unsigned, MDNode *>>::iterator
+           MI = MDs.begin(),
+           ME = MDs.end();
+       MI != ME; ++MI) {
+    MDNode *Old = MI->second;
+    MDNode *New = MapValue(Old, VMap, Flags, TypeMapper, Materializer);
     if (New != Old)
       I->setMetadata(MI->first, New);
   }

Modified: llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp (original)
+++ llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp Tue Nov 11 15:30:22 2014
@@ -531,7 +531,7 @@ static std::string getDebugLocString(con
 
 /// \brief Propagate known metadata from one instruction to another.
 static void propagateMetadata(Instruction *To, const Instruction *From) {
-  SmallVector<std::pair<unsigned, Value *>, 4> Metadata;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> Metadata;
   From->getAllMetadataOtherThanDebugLoc(Metadata);
 
   for (auto M : Metadata) {

Modified: llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp Tue Nov 11 15:30:22 2014
@@ -188,16 +188,16 @@ static void propagateIRFlags(Value *I, A
 /// \returns \p I after propagating metadata from \p VL.
 static Instruction *propagateMetadata(Instruction *I, ArrayRef<Value *> VL) {
   Instruction *I0 = cast<Instruction>(VL[0]);
-  SmallVector<std::pair<unsigned, Value *>, 4> Metadata;
+  SmallVector<std::pair<unsigned, MDNode *>, 4> Metadata;
   I0->getAllMetadataOtherThanDebugLoc(Metadata);
 
   for (unsigned i = 0, n = Metadata.size(); i != n; ++i) {
     unsigned Kind = Metadata[i].first;
-    MDNode *MD = cast_or_null<MDNode>(Metadata[i].second);
+    MDNode *MD = Metadata[i].second;
 
     for (int i = 1, e = VL.size(); MD && i != e; i++) {
       Instruction *I = cast<Instruction>(VL[i]);
-      MDNode *IMD = I->getMDNode(Kind);
+      MDNode *IMD = I->getMetadata(Kind);
 
       switch (Kind) {
       default:

Modified: llvm/trunk/tools/opt/BreakpointPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/opt/BreakpointPrinter.cpp?rev=221711&r1=221710&r2=221711&view=diff
==============================================================================
--- llvm/trunk/tools/opt/BreakpointPrinter.cpp (original)
+++ llvm/trunk/tools/opt/BreakpointPrinter.cpp Tue Nov 11 15:30:22 2014
@@ -55,7 +55,7 @@ struct BreakpointPrinter : public Module
     if (NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.sp"))
       for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
         std::string Name;
-        DISubprogram SP(cast_or_null<MDNode>(NMD->getOperand(i)));
+        DISubprogram SP(NMD->getOperand(i));
         assert((!SP || SP.isSubprogram()) &&
                "A MDNode in llvm.dbg.sp should be null or a DISubprogram.");
         if (!SP)





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