X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FValue.h;h=67af6edb8f98a6475636038f8125b0c5709372eb;hb=80a75bfae980df96f969f1c05b0c4a80ce975240;hp=fa36706114e1905d3932947357fa3d664053a497;hpb=dec628eead87b20773c98a00830580df211acc98;p=oota-llvm.git diff --git a/include/llvm/Value.h b/include/llvm/Value.h index fa36706114e..67af6edb8f9 100644 --- a/include/llvm/Value.h +++ b/include/llvm/Value.h @@ -30,6 +30,7 @@ class BasicBlock; class GlobalValue; class Function; class GlobalVariable; +class GlobalAlias; class InlineAsm; class ValueSymbolTable; class TypeSymbolTable; @@ -87,10 +88,28 @@ public: // All values can potentially be named... inline bool hasName() const { return Name != 0; } - std::string getName() const; ValueName *getValueName() const { return Name; } + /// getNameStart - Return a pointer to a null terminated string for this name. + /// Note that names can have null characters within the string as well as at + /// their end. This always returns a non-null pointer. + const char *getNameStart() const; + + /// getNameLen - Return the length of the string, correctly handling nul + /// characters embedded into them. + unsigned getNameLen() const; + + /// getName()/getNameStr() - Return the name of the specified value, + /// *constructing a string* to hold it. Because these are guaranteed to + /// construct a string, they are very expensive and should be avoided. + std::string getName() const { return getNameStr(); } + std::string getNameStr() const; + + void setName(const std::string &name); + void setName(const char *Name, unsigned NameLen); + void setName(const char *Name); // Takes a null-terminated string. + /// takeName - transfer the name from V to this value, setting V's name to /// empty. It is an error to call V->takeName(V). @@ -156,6 +175,7 @@ public: ArgumentVal, // This is an instance of Argument BasicBlockVal, // This is an instance of BasicBlock FunctionVal, // This is an instance of Function + GlobalAliasVal, // This is an instance of GlobalAlias GlobalVariableVal, // This is an instance of GlobalVariable UndefValueVal, // This is an instance of UndefValue ConstantExprVal, // This is an instance of ConstantExpr @@ -164,7 +184,7 @@ public: ConstantFPVal, // This is an instance of ConstantFP ConstantArrayVal, // This is an instance of ConstantArray ConstantStructVal, // This is an instance of ConstantStruct - ConstantPackedVal, // This is an instance of ConstantPacked + ConstantVectorVal, // This is an instance of ConstantVector ConstantPointerNullVal, // This is an instance of ConstantPointerNull InlineAsmVal, // This is an instance of InlineAsm InstructionVal, // This is an instance of Instruction @@ -174,14 +194,16 @@ public: ConstantLastVal = ConstantPointerNullVal }; - /// getValueType - Return an ID for the concrete type of this object. This is + /// getValueID - Return an ID for the concrete type of this object. This is /// used to implement the classof checks. This should not be used for any /// other purpose, as the values may change as LLVM evolves. Also, note that - /// starting with the InstructionVal value, the value stored is actually the - /// Instruction opcode, so there are more than just these values possible here - /// (and Instruction must be last). - /// - unsigned getValueType() const { + /// for instructions, the Instruction's opcode is added to InstructionVal. So + /// this means three things: + /// # there is no value with code InstructionVal (no opcode==0). + /// # there are more possible values for the value type than in ValueTy enum. + /// # the InstructionVal enumerator must be the highest valued enumerator in + /// the ValueTy enum. + unsigned getValueID() const { return SubclassID; } @@ -221,29 +243,32 @@ void Use::set(Value *V) { // the subtype header files to test to see if the value is a subclass... // template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() >= Value::ConstantFirstVal && - Val.getValueType() <= Value::ConstantLastVal; + return Val.getValueID() >= Value::ConstantFirstVal && + Val.getValueID() <= Value::ConstantLastVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() == Value::ArgumentVal; + return Val.getValueID() == Value::ArgumentVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() == Value::InlineAsmVal; + return Val.getValueID() == Value::InlineAsmVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() >= Value::InstructionVal; + return Val.getValueID() >= Value::InstructionVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() == Value::BasicBlockVal; + return Val.getValueID() == Value::BasicBlockVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() == Value::FunctionVal; + return Val.getValueID() == Value::FunctionVal; } template <> inline bool isa_impl(const Value &Val) { - return Val.getValueType() == Value::GlobalVariableVal; + return Val.getValueID() == Value::GlobalVariableVal; +} +template <> inline bool isa_impl(const Value &Val) { + return Val.getValueID() == Value::GlobalAliasVal; } template <> inline bool isa_impl(const Value &Val) { - return isa(Val) || isa(Val); + return isa(Val) || isa(Val) || isa(Val); } } // End llvm namespace