//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
class VectorType;
class ConstantRange;
class APInt;
-class ParamAttrsList;
//===----------------------------------------------------------------------===//
// AllocationInst Class
/// getArraySize - Get the number of element allocated, for a simple
/// allocation of a single element, this will return a constant 1 value.
///
- inline const Value *getArraySize() const { return getOperand(0); }
- inline Value *getArraySize() { return getOperand(0); }
+ const Value *getArraySize() const { return getOperand(0); }
+ Value *getArraySize() { return getOperand(0); }
/// getType - Overload to return most specific pointer type
///
- inline const PointerType *getType() const {
+ const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
virtual GetElementPtrInst *clone() const;
// getType - Overload to return most specific pointer type...
- inline const PointerType *getType() const {
+ const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
}
return 0U; // get index for modifying correct operand
}
- inline unsigned getNumIndices() const { // Note: always non-negative
+ unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}
- inline bool hasIndices() const {
+ bool hasIndices() const {
return getNumOperands() > 1;
}
/// @brief Return the signed version of the predicate.
static Predicate getSignedPredicate(Predicate pred);
+ /// For example, EQ->EQ, SLE->ULE, UGT->UGT, etc.
+ /// @returns the predicate that would be the result if the operand were
+ /// regarded as unsigned.
+ /// @brief Return the unsigned version of the predicate
+ Predicate getUnsignedPredicate() const {
+ return getUnsignedPredicate(getPredicate());
+ }
+
+ /// This is a static version that you can use without an instruction.
+ /// @brief Return the unsigned version of the predicate.
+ static Predicate getUnsignedPredicate(Predicate pred);
+
/// isEquality - Return true if this predicate is either EQ or NE. This also
/// tests for commutativity.
static bool isEquality(Predicate P) {
///
class CallInst : public Instruction {
- const ParamAttrsList *ParamAttrs; ///< parameter attributes for call
+ PAListPtr ParamAttrs; ///< parameter attributes for call
CallInst(const CallInst &CI);
void init(Value *Func, Value* const *Params, unsigned NumParams);
void init(Value *Func, Value *Actual1, Value *Actual2);
SubclassData = (SubclassData & 1) | (CC << 1);
}
- /// Obtains a pointer to the ParamAttrsList object which holds the
- /// parameter attributes information, if any.
- /// @returns 0 if no attributes have been set.
- /// @brief Get the parameter attributes.
- const ParamAttrsList *getParamAttrs() const { return ParamAttrs; }
+ /// getParamAttrs - Return the parameter attributes for this call.
+ ///
+ const PAListPtr &getParamAttrs() const { return ParamAttrs; }
- /// Sets the parameter attributes for this CallInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// setParamAttrs - Sets the parameter attributes for this call.
+ void setParamAttrs(const PAListPtr &Attrs) { ParamAttrs = Attrs; }
/// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, unsigned attr) const;
+
+ /// @brief Extract the alignment for a call or parameter (0=unknown).
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
return paramHasAttr(0, ParamAttr::ReadNone);
}
-
+
/// @brief Determine if the call does not access or only reads memory.
bool onlyReadsMemory() const {
return doesNotAccessMemory() || paramHasAttr(0, ParamAttr::ReadOnly);
}
-
+
/// @brief Determine if the call cannot return.
bool doesNotReturn() const {
return paramHasAttr(0, ParamAttr::NoReturn);
}
void setDoesNotThrow(bool doesNotThrow = true);
- /// @brief Determine if the call returns a structure.
- bool isStructReturn() const {
+ /// @brief Determine if the call returns a structure through first
+ /// pointer argument.
+ bool hasStructRetAttr() const {
// Be friendly and also check the callee.
return paramHasAttr(1, ParamAttr::StructRet);
}
+ /// @brief Determine if any call argument is an aggregate passed by value.
+ bool hasByValArgument() const {
+ return ParamAttrs.hasAttrSomewhere(ParamAttr::ByVal);
+ }
+
/// getCalledFunction - Return the function being called by this instruction
/// if it is a direct call. If it is a call through a function pointer,
/// return null.
/// getCalledValue - Get a pointer to the function that is invoked by this
/// instruction
- inline const Value *getCalledValue() const { return getOperand(0); }
- inline Value *getCalledValue() { return getOperand(0); }
+ const Value *getCalledValue() const { return getOperand(0); }
+ Value *getCalledValue() { return getOperand(0); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CallInst *) { return true; }
/// getType - Overload to return most specific vector type.
///
- inline const VectorType *getType() const {
+ const VectorType *getType() const {
return reinterpret_cast<const VectorType*>(Instruction::getType());
}
/// getType - Overload to return most specific vector type.
///
- inline const VectorType *getType() const {
+ const VectorType *getType() const {
return reinterpret_cast<const VectorType*>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
+ const Value *getOperand(unsigned i) const {
+ assert(i < 3 && "getOperand() out of range!");
+ return Ops[i];
+ }
+ Value *getOperand(unsigned i) {
assert(i < 3 && "getOperand() out of range!");
return Ops[i];
}
Ops[i] = Val;
}
unsigned getNumOperands() const { return 3; }
+
+ /// getMaskValue - Return the index from the shuffle mask for the specified
+ /// output result. This is either -1 if the element is undef or a number less
+ /// than 2*numelements.
+ int getMaskValue(unsigned i) const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ShuffleVectorInst *) { return true; }
/// addIncoming - Add an incoming value to the end of the PHI list
///
void addIncoming(Value *V, BasicBlock *BB) {
+ assert(V && "PHI node got a null value!");
+ assert(BB && "PHI node got a null basic block!");
assert(getType() == V->getType() &&
"All operands to PHI node must be the same type as the PHI node!");
unsigned OpNo = NumOperands;
/// does not continue in this function any longer.
///
class ReturnInst : public TerminatorInst {
- Use RetVal; // Return Value: null if 'void'.
+ Use RetVal;
ReturnInst(const ReturnInst &RI);
- void init(Value *RetVal);
+ void init(Value * const* retVals, unsigned N);
public:
// ReturnInst constructors:
// ReturnInst(Value* X, Inst *I) - 'ret X' instruction, insert before I
// ReturnInst( null, BB *B) - 'ret void' instruction, insert @ end of BB
// ReturnInst(Value* X, BB *B) - 'ret X' instruction, insert @ end of BB
+ // ReturnInst(Value* X, N) - 'ret X,X+1...X+N-1' instruction
+ // ReturnInst(Value* X, N, Inst *) - 'ret X,X+1...X+N-1', insert before I
+ // ReturnInst(Value* X, N, BB *) - 'ret X,X+1...X+N-1', insert @ end of BB
//
// NOTE: If the Value* passed is of type void then the constructor behaves as
// if it was passed NULL.
explicit ReturnInst(Value *retVal = 0, Instruction *InsertBefore = 0);
ReturnInst(Value *retVal, BasicBlock *InsertAtEnd);
+ ReturnInst(Value * const* retVals, unsigned N);
+ ReturnInst(Value * const* retVals, unsigned N, Instruction *InsertBefore);
+ ReturnInst(Value * const* retVals, unsigned N, BasicBlock *InsertAtEnd);
explicit ReturnInst(BasicBlock *InsertAtEnd);
+ virtual ~ReturnInst();
virtual ReturnInst *clone() const;
- // Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
- assert(i < getNumOperands() && "getOperand() out of range!");
- return RetVal;
- }
- void setOperand(unsigned i, Value *Val) {
- assert(i < getNumOperands() && "setOperand() out of range!");
- RetVal = Val;
+ Value *getOperand(unsigned n = 0) const {
+ if (getNumOperands() > 1)
+ return TerminatorInst::getOperand(n);
+ else
+ return RetVal;
}
- Value *getReturnValue() const { return RetVal; }
+ Value *getReturnValue(unsigned n = 0) const {
+ return getOperand(n);
+ }
unsigned getNumSuccessors() const { return 0; }
virtual BranchInst *clone() const;
- inline bool isUnconditional() const { return getNumOperands() == 1; }
- inline bool isConditional() const { return getNumOperands() == 3; }
+ bool isUnconditional() const { return getNumOperands() == 1; }
+ bool isConditional() const { return getNumOperands() == 3; }
- inline Value *getCondition() const {
+ Value *getCondition() const {
assert(isConditional() && "Cannot get condition of an uncond branch!");
return getOperand(2);
}
// Accessor Methods for Switch stmt
- inline Value *getCondition() const { return getOperand(0); }
+ Value *getCondition() const { return getOperand(0); }
void setCondition(Value *V) { setOperand(0, V); }
- inline BasicBlock *getDefaultDest() const {
+ BasicBlock *getDefaultDest() const {
return cast<BasicBlock>(getOperand(1));
}
// getSuccessorValue - Return the value associated with the specified
// successor.
- inline ConstantInt *getSuccessorValue(unsigned idx) const {
+ ConstantInt *getSuccessorValue(unsigned idx) const {
assert(idx < getNumSuccessors() && "Successor # out of range!");
return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
}
/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
- const ParamAttrsList *ParamAttrs;
+ PAListPtr ParamAttrs;
InvokeInst(const InvokeInst &BI);
void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
Value* const *Args, unsigned NumArgs);
SubclassData = CC;
}
- /// Obtains a pointer to the ParamAttrsList object which holds the
- /// parameter attributes information, if any.
- /// @returns 0 if no attributes have been set.
- /// @brief Get the parameter attributes.
- const ParamAttrsList *getParamAttrs() const { return ParamAttrs; }
+ /// getParamAttrs - Return the parameter attributes for this invoke.
+ ///
+ const PAListPtr &getParamAttrs() const { return ParamAttrs; }
- /// Sets the parameter attributes for this InvokeInst. To construct a
- /// ParamAttrsList, see ParameterAttributes.h
- /// @brief Set the parameter attributes.
- void setParamAttrs(const ParamAttrsList *attrs);
+ /// setParamAttrs - Set the parameter attributes for this invoke.
+ ///
+ void setParamAttrs(const PAListPtr &Attrs) { ParamAttrs = Attrs; }
/// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(uint16_t i, ParameterAttributes attr) const;
+ bool paramHasAttr(unsigned i, ParameterAttributes attr) const;
+
+ /// @brief Extract the alignment for a call or parameter (0=unknown).
+ unsigned getParamAlignment(unsigned i) const {
+ return ParamAttrs.getParamAlignment(i);
+ }
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
}
void setDoesNotThrow(bool doesNotThrow = true);
- /// @brief Determine if the call returns a structure.
- bool isStructReturn() const {
+ /// @brief Determine if the call returns a structure through first
+ /// pointer argument.
+ bool hasStructRetAttr() const {
// Be friendly and also check the callee.
return paramHasAttr(1, ParamAttr::StructRet);
}
}
// getCalledValue - Get a pointer to a function that is invoked by this inst.
- inline Value *getCalledValue() const { return getOperand(0); }
+ Value *getCalledValue() const { return getOperand(0); }
// get*Dest - Return the destination basic blocks...
BasicBlock *getNormalDest() const {
setOperand(2, reinterpret_cast<Value*>(B));
}
- inline BasicBlock *getSuccessor(unsigned i) const {
+ BasicBlock *getSuccessor(unsigned i) const {
assert(i < 2 && "Successor # out of range for invoke!");
return i == 0 ? getNormalDest() : getUnwindDest();
}
}
};
+//===----------------------------------------------------------------------===//
+// GetResultInst Class
+//===----------------------------------------------------------------------===//
+
+/// GetResultInst - This instruction extracts individual result value from
+/// aggregate value, where aggregate value is returned by CallInst.
+///
+class GetResultInst : public Instruction {
+ Use Aggr;
+ unsigned Idx;
+ GetResultInst(const GetResultInst &GRI) :
+ Instruction(GRI.getType(), Instruction::GetResult, &Aggr, 1) {
+ Aggr.init(GRI.Aggr, this);
+ Idx = GRI.Idx;
+ }
+
+public:
+ explicit GetResultInst(Value *Aggr, unsigned index,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+
+ /// isValidOperands - Return true if an getresult instruction can be
+ /// formed with the specified operands.
+ static bool isValidOperands(const Value *Aggr, unsigned index);
+
+ virtual GetResultInst *clone() const;
+
+ Value *getAggregateValue() {
+ return getOperand(0);
+ }
+
+ const Value *getAggregateValue() const {
+ return getOperand(0);
+ }
+
+ unsigned getIndex() const {
+ return Idx;
+ }
+
+ unsigned getNumOperands() const { return 1; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const GetResultInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return (I->getOpcode() == Instruction::GetResult);
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
} // End llvm namespace
#endif
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