Rename MDValue* to Metadata* (NFC)

[oota-llvm.git] / lib / Bitcode / Writer / ValueEnumerator.h

diff --git a/lib/Bitcode/Writer/ValueEnumerator.h b/lib/Bitcode/Writer/ValueEnumerator.h
index 5aeea2001ffc7ad9c47fe15463483b0d3f2917a1..9fb8325150e933bf0c8d1820c384e23a48b5e404 100644 (file)
--- a/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/lib/Bitcode/Writer/ValueEnumerator.h
@@ -11,12 +11,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef VALUE_ENUMERATOR_H
-#define VALUE_ENUMERATOR_H
+#ifndef LLVM_LIB_BITCODE_WRITER_VALUEENUMERATOR_H
+#define LLVM_LIB_BITCODE_WRITER_VALUEENUMERATOR_H
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Attributes.h"
+#include "llvm/ADT/UniqueVector.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/UseListOrder.h"
 #include <vector>
 
 namespace llvm {
@@ -25,8 +27,11 @@ class Type;
 class Value;
 class Instruction;
 class BasicBlock;
+class Comdat;
 class Function;
 class Module;
+class Metadata;
+class LocalAsMetadata;
 class MDNode;
 class NamedMDNode;
 class AttributeSet;
@@ -40,6 +45,9 @@ public:
 
   // For each value, we remember its Value* and occurrence frequency.
   typedef std::vector<std::pair<const Value*, unsigned> > ValueList;
+
+  UseListOrderStack UseListOrders;
+
 private:
   typedef DenseMap<Type*, unsigned> TypeMapType;
   TypeMapType TypeMap;
@@ -48,13 +56,26 @@ private:
   typedef DenseMap<const Value*, unsigned> ValueMapType;
   ValueMapType ValueMap;
   ValueList Values;
-  ValueList MDValues;
-  SmallVector<const MDNode *, 8> FunctionLocalMDs;
-  ValueMapType MDValueMap;
 
-  typedef DenseMap<void*, unsigned> AttributeMapType;
+  typedef UniqueVector<const Comdat *> ComdatSetType;
+  ComdatSetType Comdats;
+
+  std::vector<const Metadata *> MDs;
+  SmallVector<const LocalAsMetadata *, 8> FunctionLocalMDs;
+  typedef DenseMap<const Metadata *, unsigned> MetadataMapType;
+  MetadataMapType MetadataMap;
+  bool HasMDString;
+  bool HasDILocation;
+  bool HasGenericDINode;
+  bool ShouldPreserveUseListOrder;
+
+  typedef DenseMap<AttributeSet, unsigned> AttributeGroupMapType;
+  AttributeGroupMapType AttributeGroupMap;
+  std::vector<AttributeSet> AttributeGroups;
+
+  typedef DenseMap<AttributeSet, unsigned> AttributeMapType;
   AttributeMapType AttributeMap;
-  std::vector<AttributeSet> Attributes;
+  std::vector<AttributeSet> Attribute;
 
   /// GlobalBasicBlockIDs - This map memoizes the basic block ID's referenced by
   /// the "getGlobalBasicBlockID" method.
@@ -72,22 +93,39 @@ private:
   /// before incorporation.
   unsigned NumModuleValues;
 
-  /// When a function is incorporated, this is the size of the MDValues list
+  /// When a function is incorporated, this is the size of the Metadatas list
   /// before incorporation.
-  unsigned NumModuleMDValues;
+  unsigned NumModuleMDs;
 
   unsigned FirstFuncConstantID;
   unsigned FirstInstID;
 
-  ValueEnumerator(const ValueEnumerator &) LLVM_DELETED_FUNCTION;
-  void operator=(const ValueEnumerator &) LLVM_DELETED_FUNCTION;
+  ValueEnumerator(const ValueEnumerator &) = delete;
+  void operator=(const ValueEnumerator &) = delete;
 public:
-  ValueEnumerator(const Module *M);
+  ValueEnumerator(const Module &M, bool ShouldPreserveUseListOrder);
 
   void dump() const;
   void print(raw_ostream &OS, const ValueMapType &Map, const char *Name) const;
+  void print(raw_ostream &OS, const MetadataMapType &Map,
+             const char *Name) const;
 
   unsigned getValueID(const Value *V) const;
+  unsigned getMetadataID(const Metadata *MD) const {
+    auto ID = getMetadataOrNullID(MD);
+    assert(ID != 0 && "Metadata not in slotcalculator!");
+    return ID - 1;
+  }
+  unsigned getMetadataOrNullID(const Metadata *MD) const {
+    return MetadataMap.lookup(MD);
+  }
+  unsigned numMDs() const { return MDs.size(); }
+
+  bool hasMDString() const { return HasMDString; }
+  bool hasDILocation() const { return HasDILocation; }
+  bool hasGenericDINode() const { return HasGenericDINode; }
+
+  bool shouldPreserveUseListOrder() const { return ShouldPreserveUseListOrder; }
 
   unsigned getTypeID(Type *T) const {
     TypeMapType::const_iterator I = TypeMap.find(T);
@@ -98,13 +136,20 @@ public:
   unsigned getInstructionID(const Instruction *I) const;
   void setInstructionID(const Instruction *I);
 
-  unsigned getAttributeID(const AttributeSet &PAL) const {
+  unsigned getAttributeID(AttributeSet PAL) const {
     if (PAL.isEmpty()) return 0;  // Null maps to zero.
-    AttributeMapType::const_iterator I = AttributeMap.find(PAL.getRawPointer());
+    AttributeMapType::const_iterator I = AttributeMap.find(PAL);
     assert(I != AttributeMap.end() && "Attribute not in ValueEnumerator!");
     return I->second;
   }
 
+  unsigned getAttributeGroupID(AttributeSet PAL) const {
+    if (PAL.isEmpty()) return 0;  // Null maps to zero.
+    AttributeGroupMapType::const_iterator I = AttributeGroupMap.find(PAL);
+    assert(I != AttributeGroupMap.end() && "Attribute not in ValueEnumerator!");
+    return I->second;
+  }
+
   /// getFunctionConstantRange - Return the range of values that corresponds to
   /// function-local constants.
   void getFunctionConstantRange(unsigned &Start, unsigned &End) const {
@@ -113,8 +158,8 @@ public:
   }
 
   const ValueList &getValues() const { return Values; }
-  const ValueList &getMDValues() const { return MDValues; }
-  const SmallVector<const MDNode *, 8> &getFunctionLocalMDValues() const {
+  const std::vector<const Metadata *> &getMDs() const { return MDs; }
+  const SmallVectorImpl<const LocalAsMetadata *> &getFunctionLocalMDs() const {
     return FunctionLocalMDs;
   }
   const TypeList &getTypes() const { return Types; }
@@ -122,9 +167,15 @@ public:
     return BasicBlocks;
   }
   const std::vector<AttributeSet> &getAttributes() const {
-    return Attributes;
+    return Attribute;
+  }
+  const std::vector<AttributeSet> &getAttributeGroups() const {
+    return AttributeGroups;
   }
 
+  const ComdatSetType &getComdats() const { return Comdats; }
+  unsigned getComdatID(const Comdat *C) const;
+
   /// getGlobalBasicBlockID - This returns the function-specific ID for the
   /// specified basic block.  This is relatively expensive information, so it
   /// should only be used by rare constructs such as address-of-label.
@@ -135,21 +186,22 @@ public:
   ///
   void incorporateFunction(const Function &F);
   void purgeFunction();
+  uint64_t computeBitsRequiredForTypeIndicies() const;
 
 private:
   void OptimizeConstants(unsigned CstStart, unsigned CstEnd);
 
   void EnumerateMDNodeOperands(const MDNode *N);
-  void EnumerateMetadata(const Value *MD);
-  void EnumerateFunctionLocalMetadata(const MDNode *N);
+  void EnumerateMetadata(const Metadata *MD);
+  void EnumerateFunctionLocalMetadata(const LocalAsMetadata *Local);
   void EnumerateNamedMDNode(const NamedMDNode *NMD);
   void EnumerateValue(const Value *V);
   void EnumerateType(Type *T);
   void EnumerateOperandType(const Value *V);
-  void EnumerateAttributes(const AttributeSet &PAL);
+  void EnumerateAttributes(AttributeSet PAL);
 
   void EnumerateValueSymbolTable(const ValueSymbolTable &ST);
-  void EnumerateNamedMetadata(const Module *M);
+  void EnumerateNamedMetadata(const Module &M);
 };
 
 } // End llvm namespace