class FunctionType;
class Module;
struct InlineAsmKeyType;
-template<class ValType, class TypeClass, class ConstantClass, bool HasLargeKey>
+template<class ValType, class ValRefType, class TypeClass, class ConstantClass,
+ bool HasLargeKey>
class ConstantUniqueMap;
template<class ConstantClass, class TypeClass, class ValType>
struct ConstantCreator;
class InlineAsm : public Value {
friend struct ConstantCreator<InlineAsm, PointerType, InlineAsmKeyType>;
- friend class ConstantUniqueMap<InlineAsmKeyType, PointerType, InlineAsm,
- false>;
+ friend class ConstantUniqueMap<InlineAsmKeyType, const InlineAsmKeyType&,
+ PointerType, InlineAsm, false>;
InlineAsm(const InlineAsm &); // do not implement
void operator=(const InlineAsm&); // do not implement
bool HasSideEffects;
bool IsAlignStack;
- InlineAsm(const PointerType *Ty, const std::string &AsmString,
+ InlineAsm(PointerType *Ty, const std::string &AsmString,
const std::string &Constraints, bool hasSideEffects,
bool isAlignStack);
virtual ~InlineAsm();
/// InlineAsm::get - Return the specified uniqued inline asm string.
///
- static InlineAsm *get(const FunctionType *Ty, StringRef AsmString,
+ static InlineAsm *get(FunctionType *Ty, StringRef AsmString,
StringRef Constraints, bool hasSideEffects,
bool isAlignStack = false);
/// getType - InlineAsm's are always pointers.
///
- const PointerType *getType() const {
- return reinterpret_cast<const PointerType*>(Value::getType());
+ PointerType *getType() const {
+ return reinterpret_cast<PointerType*>(Value::getType());
}
/// getFunctionType - InlineAsm's are always pointers to functions.
///
- const FunctionType *getFunctionType() const;
+ FunctionType *getFunctionType() const;
const std::string &getAsmString() const { return AsmString; }
const std::string &getConstraintString() const { return Constraints; }
/// the specified constraint string is legal for the type. This returns true
/// if legal, false if not.
///
- static bool Verify(const FunctionType *Ty, StringRef Constraints);
+ static bool Verify(FunctionType *Ty, StringRef Constraints);
// Constraint String Parsing
enum ConstraintPrefix {
isClobber // '~x'
};
+ typedef std::vector<std::string> ConstraintCodeVector;
+
struct SubConstraintInfo {
/// MatchingInput - If this is not -1, this is an output constraint where an
/// input constraint is required to match it (e.g. "0"). The value is the
signed char MatchingInput;
/// Code - The constraint code, either the register name (in braces) or the
/// constraint letter/number.
- std::vector<std::string> Codes;
+ ConstraintCodeVector Codes;
/// Default constructor.
SubConstraintInfo() : MatchingInput(-1) {}
};
+
+ typedef std::vector<SubConstraintInfo> SubConstraintInfoVector;
+ struct ConstraintInfo;
+ typedef std::vector<ConstraintInfo> ConstraintInfoVector;
struct ConstraintInfo {
/// Type - The basic type of the constraint: input/output/clobber
/// Code - The constraint code, either the register name (in braces) or the
/// constraint letter/number.
- std::vector<std::string> Codes;
+ ConstraintCodeVector Codes;
/// isMultipleAlternative - '|': has multiple-alternative constraints.
bool isMultipleAlternative;
/// multipleAlternatives - If there are multiple alternative constraints,
/// this array will contain them. Otherwise it will be empty.
- std::vector<SubConstraintInfo> multipleAlternatives;
+ SubConstraintInfoVector multipleAlternatives;
/// The currently selected alternative constraint index.
unsigned currentAlternativeIndex;
/// Parse - Analyze the specified string (e.g. "=*&{eax}") and fill in the
/// fields in this structure. If the constraint string is not understood,
/// return true, otherwise return false.
- bool Parse(StringRef Str,
- std::vector<InlineAsm::ConstraintInfo> &ConstraintsSoFar);
+ bool Parse(StringRef Str, ConstraintInfoVector &ConstraintsSoFar);
/// selectAlternative - Point this constraint to the alternative constraint
/// indicated by the index.
/// ParseConstraints - Split up the constraint string into the specific
/// constraints and their prefixes. If this returns an empty vector, and if
/// the constraint string itself isn't empty, there was an error parsing.
- static std::vector<ConstraintInfo>
- ParseConstraints(StringRef ConstraintString);
+ static ConstraintInfoVector ParseConstraints(StringRef ConstraintString);
/// ParseConstraints - Parse the constraints of this inlineasm object,
/// returning them the same way that ParseConstraints(str) does.
- std::vector<ConstraintInfo>
- ParseConstraints() const {
+ ConstraintInfoVector ParseConstraints() const {
return ParseConstraints(Constraints);
}
// in the backend.
enum {
+ // Fixed operands on an INLINEASM SDNode.
Op_InputChain = 0,
Op_AsmString = 1,
Op_MDNode = 2,
- Op_IsAlignStack = 3,
+ Op_ExtraInfo = 3, // HasSideEffects, IsAlignStack
Op_FirstOperand = 4,
-
- Kind_RegUse = 1,
- Kind_RegDef = 2,
- Kind_Imm = 3,
- Kind_Mem = 4,
- Kind_RegDefEarlyClobber = 6,
-
+
+ // Fixed operands on an INLINEASM MachineInstr.
+ MIOp_AsmString = 0,
+ MIOp_ExtraInfo = 1, // HasSideEffects, IsAlignStack
+ MIOp_FirstOperand = 2,
+
+ // Interpretation of the MIOp_ExtraInfo bit field.
+ Extra_HasSideEffects = 1,
+ Extra_IsAlignStack = 2,
+
+ // Inline asm operands map to multiple SDNode / MachineInstr operands.
+ // The first operand is an immediate describing the asm operand, the low
+ // bits is the kind:
+ Kind_RegUse = 1, // Input register, "r".
+ Kind_RegDef = 2, // Output register, "=r".
+ Kind_RegDefEarlyClobber = 3, // Early-clobber output register, "=&r".
+ Kind_Clobber = 4, // Clobbered register, "~r".
+ Kind_Imm = 5, // Immediate.
+ Kind_Mem = 6, // Memory operand, "m".
+
Flag_MatchingOperand = 0x80000000
};
static bool isRegDefEarlyClobberKind(unsigned Flag) {
return getKind(Flag) == Kind_RegDefEarlyClobber;
}
-
+ static bool isClobberKind(unsigned Flag) {
+ return getKind(Flag) == Kind_Clobber;
+ }
+
/// getNumOperandRegisters - Extract the number of registers field from the
/// inline asm operand flag.
static unsigned getNumOperandRegisters(unsigned Flag) {
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