//
//===----------------------------------------------------------------------===//
-#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/Attributes.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/UniqueVector.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/UseListOrder.h"
#include <vector>
namespace llvm {
class Type;
class Value;
+class Instruction;
class BasicBlock;
+class Comdat;
class Function;
class Module;
-class PAListPtr;
-class TypeSymbolTable;
+class Metadata;
+class LocalAsMetadata;
+class MDNode;
+class NamedMDNode;
+class AttributeSet;
class ValueSymbolTable;
+class MDSymbolTable;
+class raw_ostream;
class ValueEnumerator {
public:
- // For each type, we remember its Type* and occurrence frequency.
- typedef std::vector<std::pair<const Type*, unsigned> > TypeList;
+ typedef std::vector<Type*> TypeList;
// For each value, we remember its Value* and occurrence frequency.
typedef std::vector<std::pair<const Value*, unsigned> > ValueList;
+
+ UseListOrderStack UseListOrders;
+
private:
- typedef DenseMap<const Type*, unsigned> TypeMapType;
+ typedef DenseMap<Type*, unsigned> TypeMapType;
TypeMapType TypeMap;
TypeList Types;
typedef DenseMap<const Value*, unsigned> ValueMapType;
ValueMapType ValueMap;
ValueList Values;
-
- typedef DenseMap<void*, unsigned> ParamAttrMapType;
- ParamAttrMapType ParamAttrMap;
- std::vector<PAListPtr> ParamAttrs;
-
+
+ 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> Attribute;
+
+ /// GlobalBasicBlockIDs - This map memoizes the basic block ID's referenced by
+ /// the "getGlobalBasicBlockID" method.
+ mutable DenseMap<const BasicBlock*, unsigned> GlobalBasicBlockIDs;
+
+ typedef DenseMap<const Instruction*, unsigned> InstructionMapType;
+ InstructionMapType InstructionMap;
+ unsigned InstructionCount;
+
/// BasicBlocks - This contains all the basic blocks for the currently
/// incorporated function. Their reverse mapping is stored in ValueMap.
std::vector<const BasicBlock*> BasicBlocks;
-
+
/// When a function is incorporated, this is the size of the Values list
/// before incorporation.
unsigned NumModuleValues;
+
+ /// When a function is incorporated, this is the size of the Metadatas list
+ /// before incorporation.
+ unsigned NumModuleMDs;
+
unsigned FirstFuncConstantID;
unsigned FirstInstID;
-
- ValueEnumerator(const ValueEnumerator &); // DO NOT IMPLEMENT
- void operator=(const ValueEnumerator &); // DO NOT IMPLEMENT
+
+ ValueEnumerator(const ValueEnumerator &) = delete;
+ void operator=(const ValueEnumerator &) = delete;
public:
- ValueEnumerator(const Module *M);
+ ValueEnumerator(const Module &M, bool ShouldPreserveUseListOrder);
- unsigned getValueID(const Value *V) const {
- ValueMapType::const_iterator I = ValueMap.find(V);
- assert(I != ValueMap.end() && "Value not in slotcalculator!");
- return I->second-1;
+ 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 getTypeID(const Type *T) const {
+ 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);
assert(I != TypeMap.end() && "Type not in ValueEnumerator!");
return I->second-1;
}
-
- unsigned getParamAttrID(const PAListPtr &PAL) const {
+
+ unsigned getInstructionID(const Instruction *I) const;
+ void setInstructionID(const Instruction *I);
+
+ unsigned getAttributeID(AttributeSet PAL) const {
+ if (PAL.isEmpty()) return 0; // Null maps to zero.
+ 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.
- ParamAttrMapType::const_iterator I = ParamAttrMap.find(PAL.getRawPointer());
- assert(I != ParamAttrMap.end() && "ParamAttr not in ValueEnumerator!");
+ AttributeGroupMapType::const_iterator I = AttributeGroupMap.find(PAL);
+ assert(I != AttributeGroupMap.end() && "Attribute not in ValueEnumerator!");
return I->second;
}
Start = FirstFuncConstantID;
End = FirstInstID;
}
-
+
const ValueList &getValues() const { return Values; }
+ const std::vector<const Metadata *> &getMDs() const { return MDs; }
+ const SmallVectorImpl<const LocalAsMetadata *> &getFunctionLocalMDs() const {
+ return FunctionLocalMDs;
+ }
const TypeList &getTypes() const { return Types; }
const std::vector<const BasicBlock*> &getBasicBlocks() const {
- return BasicBlocks;
+ return BasicBlocks;
+ }
+ const std::vector<AttributeSet> &getAttributes() const {
+ return Attribute;
}
- const std::vector<PAListPtr> &getParamAttrs() const {
- return ParamAttrs;
+ const std::vector<AttributeSet> &getAttributeGroups() const {
+ return AttributeGroups;
}
- /// PurgeAggregateValues - If there are any aggregate values at the end of the
- /// value list, remove them and return the count of the remaining values. If
- /// there are none, return -1.
- int PurgeAggregateValues();
-
+ 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.
+ unsigned getGlobalBasicBlockID(const BasicBlock *BB) const;
+
/// incorporateFunction/purgeFunction - If you'd like to deal with a function,
/// use these two methods to get its data into the ValueEnumerator!
///
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 Metadata *MD);
+ void EnumerateFunctionLocalMetadata(const LocalAsMetadata *Local);
+ void EnumerateNamedMDNode(const NamedMDNode *NMD);
void EnumerateValue(const Value *V);
- void EnumerateType(const Type *T);
+ void EnumerateType(Type *T);
void EnumerateOperandType(const Value *V);
- void EnumerateParamAttrs(const PAListPtr &PAL);
-
- void EnumerateTypeSymbolTable(const TypeSymbolTable &ST);
+ void EnumerateAttributes(AttributeSet PAL);
+
void EnumerateValueSymbolTable(const ValueSymbolTable &ST);
+ void EnumerateNamedMetadata(const Module &M);
};
} // End llvm namespace
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