OperandTraits<BranchInst>::op_end(this) - 1,
1, InsertBefore) {
assert(IfTrue != 0 && "Branch destination may not be null!");
- Op<0>() = IfTrue;
+ Op<-1>() = IfTrue;
}
BranchInst::BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
Instruction *InsertBefore)
: TerminatorInst(Type::VoidTy, Instruction::Br,
OperandTraits<BranchInst>::op_end(this) - 3,
3, InsertBefore) {
- Op<0>() = IfTrue;
- Op<1>() = IfFalse;
- Op<2>() = Cond;
+ Op<-1>() = IfTrue;
+ Op<-2>() = IfFalse;
+ Op<-3>() = Cond;
#ifndef NDEBUG
AssertOK();
#endif
OperandTraits<BranchInst>::op_end(this) - 1,
1, InsertAtEnd) {
assert(IfTrue != 0 && "Branch destination may not be null!");
- Op<0>() = IfTrue;
+ Op<-1>() = IfTrue;
}
BranchInst::BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
: TerminatorInst(Type::VoidTy, Instruction::Br,
OperandTraits<BranchInst>::op_end(this) - 3,
3, InsertAtEnd) {
- Op<0>() = IfTrue;
- Op<1>() = IfFalse;
- Op<2>() = Cond;
+ Op<-1>() = IfTrue;
+ Op<-2>() = IfFalse;
+ Op<-3>() = Cond;
#ifndef NDEBUG
AssertOK();
#endif
TerminatorInst(Type::VoidTy, Instruction::Br,
OperandTraits<BranchInst>::op_end(this) - BI.getNumOperands(),
BI.getNumOperands()) {
- OperandList[0] = BI.getOperand(0);
+ Op<-1>() = BI.Op<-1>();
if (BI.getNumOperands() != 1) {
assert(BI.getNumOperands() == 3 && "BR can have 1 or 3 operands!");
- OperandList[1] = BI.getOperand(1);
- OperandList[2] = BI.getOperand(2);
+ Op<-3>() = BI.Op<-3>();
+ Op<-2>() = BI.Op<-2>();
}
}
+
+Use* Use::getPrefix() {
+ PointerIntPair<Use**, 2, PrevPtrTag> &PotentialPrefix(this[-1].Prev);
+ if (PotentialPrefix.getOpaqueValue())
+ return 0;
+
+ return reinterpret_cast<Use*>((char*)&PotentialPrefix + 1);
+}
+
+BranchInst::~BranchInst() {
+ if (NumOperands == 1) {
+ if (Use *Prefix = OperandList->getPrefix()) {
+ Op<-1>() = 0;
+ //
+ // mark OperandList to have a special value for scrutiny
+ // by baseclass destructors and operator delete
+ OperandList = Prefix;
+ } else {
+ NumOperands = 3;
+ OperandList = op_begin();
+ }
+ }
+}
+
+
BasicBlock *BranchInst::getSuccessorV(unsigned idx) const {
return getSuccessor(idx);
}
return Agg;
// If there is at least one index, the top level type must be sized, otherwise
- // it cannot be 'stepped over'.
- if (!Agg->isSized())
+ // it cannot be 'stepped over'. We explicitly allow abstract types (those
+ // that contain opaque types) under the assumption that it will be resolved to
+ // a sane type later.
+ if (!Agg->isSized() && !Agg->isAbstract())
return 0;
unsigned CurIdx = 1;
return false;// Second operand of insertelement must be vector element type.
if (Index->getType() != Type::Int32Ty)
- return false; // Third operand of insertelement must be uint.
+ return false; // Third operand of insertelement must be i32.
return true;
}
// BinaryOperator Class
//===----------------------------------------------------------------------===//
+/// AdjustIType - Map Add, Sub, and Mul to FAdd, FSub, and FMul when the
+/// type is floating-point, to help provide compatibility with an older API.
+///
+static BinaryOperator::BinaryOps AdjustIType(BinaryOperator::BinaryOps iType,
+ const Type *Ty) {
+ // API compatibility: Adjust integer opcodes to floating-point opcodes.
+ if (Ty->isFPOrFPVector()) {
+ if (iType == BinaryOperator::Add) iType = BinaryOperator::FAdd;
+ else if (iType == BinaryOperator::Sub) iType = BinaryOperator::FSub;
+ else if (iType == BinaryOperator::Mul) iType = BinaryOperator::FMul;
+ }
+ return iType;
+}
+
BinaryOperator::BinaryOperator(BinaryOps iType, Value *S1, Value *S2,
const Type *Ty, const std::string &Name,
Instruction *InsertBefore)
- : Instruction(Ty, iType,
+ : Instruction(Ty, AdjustIType(iType, Ty),
OperandTraits<BinaryOperator>::op_begin(this),
OperandTraits<BinaryOperator>::operands(this),
InsertBefore) {
Op<0>() = S1;
Op<1>() = S2;
- init(iType);
+ init(AdjustIType(iType, Ty));
setName(Name);
}
BinaryOperator::BinaryOperator(BinaryOps iType, Value *S1, Value *S2,
const Type *Ty, const std::string &Name,
BasicBlock *InsertAtEnd)
- : Instruction(Ty, iType,
+ : Instruction(Ty, AdjustIType(iType, Ty),
OperandTraits<BinaryOperator>::op_begin(this),
OperandTraits<BinaryOperator>::operands(this),
InsertAtEnd) {
Op<0>() = S1;
Op<1>() = S2;
- init(iType);
+ init(AdjustIType(iType, Ty));
setName(Name);
}
#ifndef NDEBUG
switch (iType) {
case Add: case Sub:
- case Mul:
+ case Mul:
+ assert(getType() == LHS->getType() &&
+ "Arithmetic operation should return same type as operands!");
+ assert(getType()->isIntOrIntVector() &&
+ "Tried to create an integer operation on a non-integer type!");
+ break;
+ case FAdd: case FSub:
+ case FMul:
assert(getType() == LHS->getType() &&
"Arithmetic operation should return same type as operands!");
- assert((getType()->isInteger() || getType()->isFloatingPoint() ||
- isa<VectorType>(getType())) &&
- "Tried to create an arithmetic operation on a non-arithmetic type!");
+ assert(getType()->isFPOrFPVector() &&
+ "Tried to create a floating-point operation on a "
+ "non-floating-point type!");
break;
case UDiv:
case SDiv:
case FDiv:
assert(getType() == LHS->getType() &&
"Arithmetic operation should return same type as operands!");
- assert((getType()->isFloatingPoint() || (isa<VectorType>(getType()) &&
- cast<VectorType>(getType())->getElementType()->isFloatingPoint()))
- && "Incorrect operand type (not floating point) for FDIV");
+ assert(getType()->isFPOrFPVector() &&
+ "Incorrect operand type (not floating point) for FDIV");
break;
case URem:
case SRem:
case FRem:
assert(getType() == LHS->getType() &&
"Arithmetic operation should return same type as operands!");
- assert((getType()->isFloatingPoint() || (isa<VectorType>(getType()) &&
- cast<VectorType>(getType())->getElementType()->isFloatingPoint()))
- && "Incorrect operand type (not floating point) for FREM");
+ assert(getType()->isFPOrFPVector() &&
+ "Incorrect operand type (not floating point) for FREM");
break;
case Shl:
case LShr:
Op->getType(), Name, InsertAtEnd);
}
+BinaryOperator *BinaryOperator::CreateFNeg(Value *Op, const std::string &Name,
+ Instruction *InsertBefore) {
+ Value *zero = ConstantExpr::getZeroValueForNegationExpr(Op->getType());
+ return new BinaryOperator(Instruction::FSub,
+ zero, Op,
+ Op->getType(), Name, InsertBefore);
+}
+
+BinaryOperator *BinaryOperator::CreateFNeg(Value *Op, const std::string &Name,
+ BasicBlock *InsertAtEnd) {
+ Value *zero = ConstantExpr::getZeroValueForNegationExpr(Op->getType());
+ return new BinaryOperator(Instruction::FSub,
+ zero, Op,
+ Op->getType(), Name, InsertAtEnd);
+}
+
BinaryOperator *BinaryOperator::CreateNot(Value *Op, const std::string &Name,
Instruction *InsertBefore) {
Constant *C;
return false;
}
+bool BinaryOperator::isFNeg(const Value *V) {
+ if (const BinaryOperator *Bop = dyn_cast<BinaryOperator>(V))
+ if (Bop->getOpcode() == Instruction::FSub)
+ return Bop->getOperand(0) ==
+ ConstantExpr::getZeroValueForNegationExpr(Bop->getType());
+ return false;
+}
+
bool BinaryOperator::isNot(const Value *V) {
if (const BinaryOperator *Bop = dyn_cast<BinaryOperator>(V))
return (Bop->getOpcode() == Instruction::Xor &&
return getNegArgument(const_cast<Value*>(BinOp));
}
+Value *BinaryOperator::getFNegArgument(Value *BinOp) {
+ assert(isFNeg(BinOp) && "getFNegArgument from non-'fneg' instruction!");
+ return cast<BinaryOperator>(BinOp)->getOperand(1);
+}
+
+const Value *BinaryOperator::getFNegArgument(const Value *BinOp) {
+ return getFNegArgument(const_cast<Value*>(BinOp));
+}
+
Value *BinaryOperator::getNotArgument(Value *BinOp) {
assert(isNot(BinOp) && "getNotArgument on non-'not' instruction!");
BinaryOperator *BO = cast<BinaryOperator>(BinOp);
case Instruction::BitCast:
return true; // BitCast never modifies bits.
case Instruction::PtrToInt:
- return IntPtrTy->getPrimitiveSizeInBits() ==
- getType()->getPrimitiveSizeInBits();
+ return IntPtrTy->getScalarSizeInBits() ==
+ getType()->getScalarSizeInBits();
case Instruction::IntToPtr:
- return IntPtrTy->getPrimitiveSizeInBits() ==
- getOperand(0)->getType()->getPrimitiveSizeInBits();
+ return IntPtrTy->getScalarSizeInBits() ==
+ getOperand(0)->getType()->getScalarSizeInBits();
}
}
// BITCONVERT = FirstClass n/a FirstClass n/a
//
// NOTE: some transforms are safe, but we consider them to be non-profitable.
- // For example, we could merge "fptoui double to uint" + "zext uint to ulong",
- // into "fptoui double to ulong", but this loses information about the range
+ // For example, we could merge "fptoui double to i32" + "zext i32 to i64",
+ // into "fptoui double to i64", but this loses information about the range
// of the produced value (we no longer know the top-part is all zeros).
// Further this conversion is often much more expensive for typical hardware,
// and causes issues when building libgcc. We disallow fptosi+sext for the
return 0;
case 7: {
// ptrtoint, inttoptr -> bitcast (ptr -> ptr) if int size is >= ptr size
- unsigned PtrSize = IntPtrTy->getPrimitiveSizeInBits();
- unsigned MidSize = MidTy->getPrimitiveSizeInBits();
+ unsigned PtrSize = IntPtrTy->getScalarSizeInBits();
+ unsigned MidSize = MidTy->getScalarSizeInBits();
if (MidSize >= PtrSize)
return Instruction::BitCast;
return 0;
// ext, trunc -> bitcast, if the SrcTy and DstTy are same size
// ext, trunc -> ext, if sizeof(SrcTy) < sizeof(DstTy)
// ext, trunc -> trunc, if sizeof(SrcTy) > sizeof(DstTy)
- unsigned SrcSize = SrcTy->getPrimitiveSizeInBits();
- unsigned DstSize = DstTy->getPrimitiveSizeInBits();
+ unsigned SrcSize = SrcTy->getScalarSizeInBits();
+ unsigned DstSize = DstTy->getScalarSizeInBits();
if (SrcSize == DstSize)
return Instruction::BitCast;
else if (SrcSize < DstSize)
return 0;
case 13: {
// inttoptr, ptrtoint -> bitcast if SrcSize<=PtrSize and SrcSize==DstSize
- unsigned PtrSize = IntPtrTy->getPrimitiveSizeInBits();
- unsigned SrcSize = SrcTy->getPrimitiveSizeInBits();
- unsigned DstSize = DstTy->getPrimitiveSizeInBits();
+ unsigned PtrSize = IntPtrTy->getScalarSizeInBits();
+ unsigned SrcSize = SrcTy->getScalarSizeInBits();
+ unsigned DstSize = DstTy->getScalarSizeInBits();
if (SrcSize <= PtrSize && SrcSize == DstSize)
return Instruction::BitCast;
return 0;
CastInst *CastInst::CreateZExtOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
Instruction *InsertBefore) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertBefore);
return Create(Instruction::ZExt, S, Ty, Name, InsertBefore);
}
CastInst *CastInst::CreateZExtOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
return Create(Instruction::ZExt, S, Ty, Name, InsertAtEnd);
}
CastInst *CastInst::CreateSExtOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
Instruction *InsertBefore) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertBefore);
return Create(Instruction::SExt, S, Ty, Name, InsertBefore);
}
CastInst *CastInst::CreateSExtOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
return Create(Instruction::SExt, S, Ty, Name, InsertAtEnd);
}
CastInst *CastInst::CreateTruncOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
Instruction *InsertBefore) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertBefore);
return Create(Instruction::Trunc, S, Ty, Name, InsertBefore);
}
CastInst *CastInst::CreateTruncOrBitCast(Value *S, const Type *Ty,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- if (S->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (S->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return Create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
return Create(Instruction::Trunc, S, Ty, Name, InsertAtEnd);
}
bool isSigned, const std::string &Name,
Instruction *InsertBefore) {
assert(C->getType()->isInteger() && Ty->isInteger() && "Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::Trunc :
CastInst *CastInst::CreateIntegerCast(Value *C, const Type *Ty,
bool isSigned, const std::string &Name,
BasicBlock *InsertAtEnd) {
- assert(C->getType()->isInteger() && Ty->isInteger() && "Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ assert(C->getType()->isIntOrIntVector() && Ty->isIntOrIntVector() &&
+ "Invalid cast");
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::Trunc :
CastInst *CastInst::CreateFPCast(Value *C, const Type *Ty,
const std::string &Name,
Instruction *InsertBefore) {
- assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
+ assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
"Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt));
CastInst *CastInst::CreateFPCast(Value *C, const Type *Ty,
const std::string &Name,
BasicBlock *InsertAtEnd) {
- assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
+ assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
"Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt));
return true;
// Get the bit sizes, we'll need these
- unsigned SrcBits = SrcTy->getPrimitiveSizeInBits(); // 0 for ptr/vector
- unsigned DestBits = DestTy->getPrimitiveSizeInBits(); // 0 for ptr/vector
+ unsigned SrcBits = SrcTy->getScalarSizeInBits(); // 0 for ptr
+ unsigned DestBits = DestTy->getScalarSizeInBits(); // 0 for ptr
// Run through the possibilities ...
if (DestTy->isInteger()) { // Casting to integral
const Value *Src, bool SrcIsSigned, const Type *DestTy, bool DestIsSigned) {
// Get the bit sizes, we'll need these
const Type *SrcTy = Src->getType();
- unsigned SrcBits = SrcTy->getPrimitiveSizeInBits(); // 0 for ptr/vector
- unsigned DestBits = DestTy->getPrimitiveSizeInBits(); // 0 for ptr/vector
+ unsigned SrcBits = SrcTy->getScalarSizeInBits(); // 0 for ptr
+ unsigned DestBits = DestTy->getScalarSizeInBits(); // 0 for ptr
assert(SrcTy->isFirstClassType() && DestTy->isFirstClassType() &&
"Only first class types are castable!");
return false;
// Get the size of the types in bits, we'll need this later
- unsigned SrcBitSize = SrcTy->getPrimitiveSizeInBits();
- unsigned DstBitSize = DstTy->getPrimitiveSizeInBits();
+ unsigned SrcBitSize = SrcTy->getScalarSizeInBits();
+ unsigned DstBitSize = DstTy->getScalarSizeInBits();
// Switch on the opcode provided
switch (op) {
// Now we know we're not dealing with a pointer/non-pointer mismatch. In all
// these cases, the cast is okay if the source and destination bit widths
// are identical.
- return SrcBitSize == DstBitSize;
+ return SrcTy->getPrimitiveSizeInBits() == DstTy->getPrimitiveSizeInBits();
}
}
return new(getNumOperands()) ReturnInst(*this);
}
BranchInst *BranchInst::clone() const {
- return new(getNumOperands()) BranchInst(*this);
+ unsigned Ops(getNumOperands());
+ return new(Ops, Ops == 1) BranchInst(*this);
}
SwitchInst *SwitchInst::clone() const { return new SwitchInst(*this); }
InvokeInst *InvokeInst::clone() const {
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