#include "llvm/DerivedTypes.h"
#include "llvm/GlobalValue.h"
#include "llvm/Instructions.h"
-#include "llvm/SymbolTable.h"
#include "llvm/Module.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
+#include <map>
using namespace llvm;
//===----------------------------------------------------------------------===//
// Static constructor to create a '0' constant of arbitrary type...
Constant *Constant::getNullValue(const Type *Ty) {
switch (Ty->getTypeID()) {
- case Type::BoolTyID: {
- static Constant *NullBool = ConstantBool::get(false);
- return NullBool;
- }
- case Type::SByteTyID: {
- static Constant *NullSByte = ConstantInt::get(Type::SByteTy, 0);
- return NullSByte;
- }
- case Type::UByteTyID: {
- static Constant *NullUByte = ConstantInt::get(Type::UByteTy, 0);
- return NullUByte;
- }
- case Type::ShortTyID: {
- static Constant *NullShort = ConstantInt::get(Type::ShortTy, 0);
- return NullShort;
- }
- case Type::UShortTyID: {
- static Constant *NullUShort = ConstantInt::get(Type::UShortTy, 0);
- return NullUShort;
- }
- case Type::IntTyID: {
- static Constant *NullInt = ConstantInt::get(Type::IntTy, 0);
- return NullInt;
- }
- case Type::UIntTyID: {
- static Constant *NullUInt = ConstantInt::get(Type::UIntTy, 0);
- return NullUInt;
- }
- case Type::LongTyID: {
- static Constant *NullLong = ConstantInt::get(Type::LongTy, 0);
- return NullLong;
- }
- case Type::ULongTyID: {
- static Constant *NullULong = ConstantInt::get(Type::ULongTy, 0);
- return NullULong;
+ case Type::IntegerTyID: {
+ const IntegerType *ITy = dyn_cast<IntegerType>(Ty);
+ switch (ITy->getBitWidth()) {
+ case 1: {
+ static Constant *NullBool = ConstantInt::get(Ty, false);
+ return NullBool;
+ }
+ case 8: {
+ static Constant *NullInt8 = ConstantInt::get(Ty, 0);
+ return NullInt8;
+ }
+ case 16: {
+ static Constant *NullInt16 = ConstantInt::get(Ty, 0);
+ return NullInt16;
+ }
+ case 32: {
+ static Constant *NullInt32 = ConstantInt::get(Ty, 0);
+ return NullInt32;
+ }
+ case 64: {
+ static Constant *NullInt64 = ConstantInt::get(Ty, 0);
+ return NullInt64;
+ }
+ default:
+ return ConstantInt::get(Ty, 0);
+ }
}
-
case Type::FloatTyID: {
static Constant *NullFloat = ConstantFP::get(Type::FloatTy, 0);
return NullFloat;
static Constant *NullDouble = ConstantFP::get(Type::DoubleTy, 0);
return NullDouble;
}
-
case Type::PointerTyID:
return ConstantPointerNull::get(cast<PointerType>(Ty));
-
case Type::StructTyID:
case Type::ArrayTyID:
case Type::PackedTyID:
}
}
-// Static constructor to create the maximum constant of an integral type...
-ConstantIntegral *ConstantIntegral::getMaxValue(const Type *Ty) {
- switch (Ty->getTypeID()) {
- case Type::BoolTyID: return ConstantBool::getTrue();
- case Type::SByteTyID:
- case Type::ShortTyID:
- case Type::IntTyID:
- case Type::LongTyID: {
- // Calculate 011111111111111...
- unsigned TypeBits = Ty->getPrimitiveSize()*8;
- int64_t Val = INT64_MAX; // All ones
- Val >>= 64-TypeBits; // Shift out unwanted 1 bits...
- return ConstantInt::get(Ty, Val);
- }
-
- case Type::UByteTyID:
- case Type::UShortTyID:
- case Type::UIntTyID:
- case Type::ULongTyID: return getAllOnesValue(Ty);
- default: return 0;
- }
+// Static constructor to create an integral constant with all bits set
+ConstantInt *ConstantInt::getAllOnesValue(const Type *Ty) {
+ if (const IntegerType* ITy = dyn_cast<IntegerType>(Ty))
+ if (ITy->getBitWidth() == 1)
+ return ConstantInt::getTrue();
+ else
+ return ConstantInt::get(Ty, int64_t(-1));
+ return 0;
}
-// Static constructor to create the minimum constant for an integral type...
-ConstantIntegral *ConstantIntegral::getMinValue(const Type *Ty) {
- switch (Ty->getTypeID()) {
- case Type::BoolTyID: return ConstantBool::getFalse();
- case Type::SByteTyID:
- case Type::ShortTyID:
- case Type::IntTyID:
- case Type::LongTyID: {
- // Calculate 1111111111000000000000
- unsigned TypeBits = Ty->getPrimitiveSize()*8;
- int64_t Val = -1; // All ones
- Val <<= TypeBits-1; // Shift over to the right spot
- return ConstantInt::get(Ty, Val);
- }
-
- case Type::UByteTyID:
- case Type::UShortTyID:
- case Type::UIntTyID:
- case Type::ULongTyID: return ConstantInt::get(Ty, 0);
-
- default: return 0;
- }
+/// @returns the value for an packed integer constant of the given type that
+/// has all its bits set to true.
+/// @brief Get the all ones value
+ConstantPacked *ConstantPacked::getAllOnesValue(const PackedType *Ty) {
+ std::vector<Constant*> Elts;
+ Elts.resize(Ty->getNumElements(),
+ ConstantInt::getAllOnesValue(Ty->getElementType()));
+ assert(Elts[0] && "Not a packed integer type!");
+ return cast<ConstantPacked>(ConstantPacked::get(Elts));
}
-// Static constructor to create an integral constant with all bits set
-ConstantIntegral *ConstantIntegral::getAllOnesValue(const Type *Ty) {
- switch (Ty->getTypeID()) {
- case Type::BoolTyID: return ConstantBool::getTrue();
- case Type::SByteTyID:
- case Type::ShortTyID:
- case Type::IntTyID:
- case Type::LongTyID: return ConstantInt::get(Ty, -1);
-
- case Type::UByteTyID:
- case Type::UShortTyID:
- case Type::UIntTyID:
- case Type::ULongTyID: {
- // Calculate ~0 of the right type...
- unsigned TypeBits = Ty->getPrimitiveSize()*8;
- uint64_t Val = ~0ULL; // All ones
- Val >>= 64-TypeBits; // Shift out unwanted 1 bits...
- return ConstantInt::get(Ty, Val);
- }
- default: return 0;
- }
-}
//===----------------------------------------------------------------------===//
// ConstantXXX Classes
//===----------------------------------------------------------------------===//
// Normal Constructors
-ConstantIntegral::ConstantIntegral(const Type *Ty, ValueTy VT, uint64_t V)
- : Constant(Ty, VT, 0, 0), Val(V) {
-}
-
-ConstantBool::ConstantBool(bool V)
- : ConstantIntegral(Type::BoolTy, ConstantBoolVal, uint64_t(V)) {
+ConstantInt::ConstantInt(bool V)
+ : Constant(Type::Int1Ty, ConstantIntVal, 0, 0), Val(uint64_t(V)) {
}
ConstantInt::ConstantInt(const Type *Ty, uint64_t V)
- : ConstantIntegral(Ty, ConstantIntVal, V) {
+ : Constant(Ty, ConstantIntVal, 0, 0), Val(Ty == Type::Int1Ty ? bool(V) : V) {
}
ConstantFP::ConstantFP(const Type *Ty, double V)
delete [] OperandList;
}
+// We declare several classes private to this file, so use an anonymous
+// namespace
+namespace {
+
/// UnaryConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement unary constant exprs.
-namespace {
class VISIBILITY_HIDDEN UnaryConstantExpr : public ConstantExpr {
Use Op;
public:
UnaryConstantExpr(unsigned Opcode, Constant *C, const Type *Ty)
: ConstantExpr(Ty, Opcode, &Op, 1), Op(C, this) {}
};
-}
-
-static bool isSetCC(unsigned Opcode) {
- return Opcode == Instruction::SetEQ || Opcode == Instruction::SetNE ||
- Opcode == Instruction::SetLT || Opcode == Instruction::SetGT ||
- Opcode == Instruction::SetLE || Opcode == Instruction::SetGE;
-}
/// BinaryConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement binary constant exprs.
-namespace {
class VISIBILITY_HIDDEN BinaryConstantExpr : public ConstantExpr {
Use Ops[2];
public:
BinaryConstantExpr(unsigned Opcode, Constant *C1, Constant *C2)
- : ConstantExpr(isSetCC(Opcode) ? Type::BoolTy : C1->getType(),
- Opcode, Ops, 2) {
+ : ConstantExpr(C1->getType(), Opcode, Ops, 2) {
Ops[0].init(C1, this);
Ops[1].init(C2, this);
}
};
-}
/// SelectConstantExpr - This class is private to Constants.cpp, and is used
/// behind the scenes to implement select constant exprs.
-namespace {
class VISIBILITY_HIDDEN SelectConstantExpr : public ConstantExpr {
Use Ops[3];
public:
Ops[2].init(C3, this);
}
};
-}
/// ExtractElementConstantExpr - This class is private to
/// Constants.cpp, and is used behind the scenes to implement
/// extractelement constant exprs.
-namespace {
class VISIBILITY_HIDDEN ExtractElementConstantExpr : public ConstantExpr {
Use Ops[2];
public:
Ops[1].init(C2, this);
}
};
-}
/// InsertElementConstantExpr - This class is private to
/// Constants.cpp, and is used behind the scenes to implement
/// insertelement constant exprs.
-namespace {
class VISIBILITY_HIDDEN InsertElementConstantExpr : public ConstantExpr {
Use Ops[3];
public:
Ops[2].init(C3, this);
}
};
-}
/// ShuffleVectorConstantExpr - This class is private to
/// Constants.cpp, and is used behind the scenes to implement
/// shufflevector constant exprs.
-namespace {
class VISIBILITY_HIDDEN ShuffleVectorConstantExpr : public ConstantExpr {
Use Ops[3];
public:
Ops[2].init(C3, this);
}
};
-}
/// GetElementPtrConstantExpr - This class is private to Constants.cpp, and is
/// used behind the scenes to implement getelementpr constant exprs.
-namespace {
struct VISIBILITY_HIDDEN GetElementPtrConstantExpr : public ConstantExpr {
GetElementPtrConstantExpr(Constant *C, const std::vector<Constant*> &IdxList,
const Type *DestTy)
delete [] OperandList;
}
};
-}
+
+// CompareConstantExpr - This class is private to Constants.cpp, and is used
+// behind the scenes to implement ICmp and FCmp constant expressions. This is
+// needed in order to store the predicate value for these instructions.
+struct VISIBILITY_HIDDEN CompareConstantExpr : public ConstantExpr {
+ unsigned short predicate;
+ Use Ops[2];
+ CompareConstantExpr(Instruction::OtherOps opc, unsigned short pred,
+ Constant* LHS, Constant* RHS)
+ : ConstantExpr(Type::Int1Ty, opc, Ops, 2), predicate(pred) {
+ OperandList[0].init(LHS, this);
+ OperandList[1].init(RHS, this);
+ }
+};
+
+} // end anonymous namespace
// Utility function for determining if a ConstantExpr is a CastOp or not. This
return Instruction::isCast(getOpcode());
}
+bool ConstantExpr::isCompare() const {
+ return getOpcode() == Instruction::ICmp || getOpcode() == Instruction::FCmp;
+}
+
/// ConstantExpr::get* - Return some common constants without having to
/// specify the full Instruction::OPCODE identifier.
///
Constant *ConstantExpr::getNeg(Constant *C) {
- if (!C->getType()->isFloatingPoint())
- return get(Instruction::Sub, getNullValue(C->getType()), C);
- else
- return get(Instruction::Sub, ConstantFP::get(C->getType(), -0.0), C);
+ return get(Instruction::Sub,
+ ConstantExpr::getZeroValueForNegationExpr(C->getType()),
+ C);
}
Constant *ConstantExpr::getNot(Constant *C) {
- assert(isa<ConstantIntegral>(C) && "Cannot NOT a nonintegral type!");
+ assert(isa<ConstantInt>(C) && "Cannot NOT a nonintegral type!");
return get(Instruction::Xor, C,
- ConstantIntegral::getAllOnesValue(C->getType()));
+ ConstantInt::getAllOnesValue(C->getType()));
}
Constant *ConstantExpr::getAdd(Constant *C1, Constant *C2) {
return get(Instruction::Add, C1, C2);
Constant *ConstantExpr::getXor(Constant *C1, Constant *C2) {
return get(Instruction::Xor, C1, C2);
}
-Constant *ConstantExpr::getSetEQ(Constant *C1, Constant *C2) {
- return get(Instruction::SetEQ, C1, C2);
-}
-Constant *ConstantExpr::getSetNE(Constant *C1, Constant *C2) {
- return get(Instruction::SetNE, C1, C2);
-}
-Constant *ConstantExpr::getSetLT(Constant *C1, Constant *C2) {
- return get(Instruction::SetLT, C1, C2);
-}
-Constant *ConstantExpr::getSetGT(Constant *C1, Constant *C2) {
- return get(Instruction::SetGT, C1, C2);
-}
-Constant *ConstantExpr::getSetLE(Constant *C1, Constant *C2) {
- return get(Instruction::SetLE, C1, C2);
-}
-Constant *ConstantExpr::getSetGE(Constant *C1, Constant *C2) {
- return get(Instruction::SetGE, C1, C2);
+unsigned ConstantExpr::getPredicate() const {
+ assert(getOpcode() == Instruction::FCmp || getOpcode() == Instruction::ICmp);
+ return dynamic_cast<const CompareConstantExpr*>(this)->predicate;
}
Constant *ConstantExpr::getShl(Constant *C1, Constant *C2) {
return get(Instruction::Shl, C1, C2);
std::vector<Constant*> ActualOps(Ops.begin()+1, Ops.end());
return ConstantExpr::getGetElementPtr(Ops[0], ActualOps);
}
+ case Instruction::ICmp:
+ case Instruction::FCmp:
+ return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
return ConstantExpr::get(getOpcode(), Ops[0], Ops[1]);
//===----------------------------------------------------------------------===//
// isValueValidForType implementations
+bool ConstantInt::isValueValidForType(const Type *Ty, uint64_t Val) {
+ unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
+ assert(NumBits <= 64 && "Not implemented: integers > 64-bits");
+ if (Ty == Type::Int1Ty)
+ return Val == 0 || Val == 1;
+ if (NumBits == 64)
+ return true; // always true, has to fit in largest type
+ uint64_t Max = (1ll << NumBits) - 1;
+ return Val <= Max;
+}
+
bool ConstantInt::isValueValidForType(const Type *Ty, int64_t Val) {
- switch (Ty->getTypeID()) {
- default:
- return false; // These can't be represented as integers!!!
- // Signed types...
- case Type::SByteTyID:
- return (Val <= INT8_MAX && Val >= INT8_MIN);
- case Type::UByteTyID:
- return (Val >= 0) && (Val <= UINT8_MAX);
- case Type::ShortTyID:
- return (Val <= INT16_MAX && Val >= INT16_MIN);
- case Type::UShortTyID:
- return (Val >= 0) && (Val <= UINT16_MAX);
- case Type::IntTyID:
- return (Val <= int(INT32_MAX) && Val >= int(INT32_MIN));
- case Type::UIntTyID:
- return (Val >= 0) && (Val <= UINT32_MAX);
- case Type::LongTyID:
- case Type::ULongTyID:
+ unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
+ assert(NumBits <= 64 && "Not implemented: integers > 64-bits");
+ if (Ty == Type::Int1Ty)
+ return Val == 0 || Val == 1 || Val == -1;
+ if (NumBits == 64)
return true; // always true, has to fit in largest type
- }
+ int64_t Min = -(1ll << (NumBits-1));
+ int64_t Max = (1ll << (NumBits-1)) - 1;
+ return (Val >= Min && Val <= Max);
}
bool ConstantFP::isValueValidForType(const Type *Ty, double Val) {
}
-//---- ConstantBool::get*() implementation.
-
-ConstantBool *ConstantBool::getTrue() {
- static ConstantBool *T = 0;
- if (T) return T;
- return T = new ConstantBool(true);
-}
-ConstantBool *ConstantBool::getFalse() {
- static ConstantBool *F = 0;
- if (F) return F;
- return F = new ConstantBool(false);
-}
-
//---- ConstantInt::get() implementations...
//
static ManagedStatic<ValueMap<uint64_t, Type, ConstantInt> > IntConstants;
// just return the stored value while getSExtValue has to convert back to sign
// extended. getZExtValue is more common in LLVM than getSExtValue().
ConstantInt *ConstantInt::get(const Type *Ty, int64_t V) {
- unsigned Size = Ty->getPrimitiveSizeInBits();
- uint64_t ZeroExtendedCanonicalization = V & (~uint64_t(0UL) >> (64-Size));
- return IntConstants->getOrCreate(Ty, ZeroExtendedCanonicalization );
+ if (Ty == Type::Int1Ty)
+ if (V & 1)
+ return getTrue();
+ else
+ return getFalse();
+ return IntConstants->getOrCreate(Ty, V & cast<IntegerType>(Ty)->getBitMask());
}
//---- ConstantFP::get() implementation...
Constant *ConstantArray::get(const std::string &Str, bool AddNull) {
std::vector<Constant*> ElementVals;
for (unsigned i = 0; i < Str.length(); ++i)
- ElementVals.push_back(ConstantInt::get(Type::SByteTy, Str[i]));
+ ElementVals.push_back(ConstantInt::get(Type::Int8Ty, Str[i]));
// Add a null terminator to the string...
if (AddNull) {
- ElementVals.push_back(ConstantInt::get(Type::SByteTy, 0));
+ ElementVals.push_back(ConstantInt::get(Type::Int8Ty, 0));
}
- ArrayType *ATy = ArrayType::get(Type::SByteTy, ElementVals.size());
+ ArrayType *ATy = ArrayType::get(Type::Int8Ty, ElementVals.size());
return ConstantArray::get(ATy, ElementVals);
}
-/// isString - This method returns true if the array is an array of sbyte or
-/// ubyte, and if the elements of the array are all ConstantInt's.
+/// isString - This method returns true if the array is an array of i8, and
+/// if the elements of the array are all ConstantInt's.
bool ConstantArray::isString() const {
- // Check the element type for sbyte or ubyte...
- if (getType()->getElementType() != Type::UByteTy &&
- getType()->getElementType() != Type::SByteTy)
+ // Check the element type for i8...
+ if (getType()->getElementType() != Type::Int8Ty)
return false;
// Check the elements to make sure they are all integers, not constant
// expressions.
/// isString) and it ends in a null byte \0 and does not contains any other
/// null bytes except its terminator.
bool ConstantArray::isCString() const {
- // Check the element type for sbyte or ubyte...
- if (getType()->getElementType() != Type::UByteTy &&
- getType()->getElementType() != Type::SByteTy)
+ // Check the element type for i8...
+ if (getType()->getElementType() != Type::Int8Ty)
return false;
Constant *Zero = Constant::getNullValue(getOperand(0)->getType());
// Last element must be a null.
}
-// getAsString - If the sub-element type of this array is either sbyte or ubyte,
+// getAsString - If the sub-element type of this array is i8
// then this method converts the array to an std::string and returns it.
// Otherwise, it asserts out.
//
return ConstantAggregateZero::get(Ty);
}
-Constant *ConstantStruct::get(const std::vector<Constant*> &V) {
+Constant *ConstantStruct::get(const std::vector<Constant*> &V, bool packed) {
std::vector<const Type*> StructEls;
StructEls.reserve(V.size());
for (unsigned i = 0, e = V.size(); i != e; ++i)
StructEls.push_back(V[i]->getType());
- return get(StructType::get(StructEls), V);
+ return get(StructType::get(StructEls, packed), V);
}
// destroyConstant - Remove the constant from the constant table...
destroyConstantImpl();
}
+/// This function will return true iff every element in this packed constant
+/// is set to all ones.
+/// @returns true iff this constant's emements are all set to all ones.
+/// @brief Determine if the value is all ones.
+bool ConstantPacked::isAllOnesValue() const {
+ // Check out first element.
+ const Constant *Elt = getOperand(0);
+ const ConstantInt *CI = dyn_cast<ConstantInt>(Elt);
+ if (!CI || !CI->isAllOnesValue()) return false;
+ // Then make sure all remaining elements point to the same value.
+ for (unsigned I = 1, E = getNumOperands(); I < E; ++I) {
+ if (getOperand(I) != Elt) return false;
+ }
+ return true;
+}
+
//---- ConstantPointerNull::get() implementation...
//
}
-
-
//---- ConstantExpr::get() implementations...
//
-typedef std::pair<unsigned, std::vector<Constant*> > ExprMapKeyType;
+
+struct ExprMapKeyType {
+ explicit ExprMapKeyType(unsigned opc, std::vector<Constant*> ops,
+ unsigned short pred = 0) : opcode(opc), predicate(pred), operands(ops) { }
+ uint16_t opcode;
+ uint16_t predicate;
+ std::vector<Constant*> operands;
+ bool operator==(const ExprMapKeyType& that) const {
+ return this->opcode == that.opcode &&
+ this->predicate == that.predicate &&
+ this->operands == that.operands;
+ }
+ bool operator<(const ExprMapKeyType & that) const {
+ return this->opcode < that.opcode ||
+ (this->opcode == that.opcode && this->predicate < that.predicate) ||
+ (this->opcode == that.opcode && this->predicate == that.predicate &&
+ this->operands < that.operands);
+ }
+
+ bool operator!=(const ExprMapKeyType& that) const {
+ return !(*this == that);
+ }
+};
namespace llvm {
template<>
struct ConstantCreator<ConstantExpr, Type, ExprMapKeyType> {
- static ConstantExpr *create(const Type *Ty, const ExprMapKeyType &V) {
- if (Instruction::isCast(V.first))
- return new UnaryConstantExpr(V.first, V.second[0], Ty);
- if ((V.first >= Instruction::BinaryOpsBegin &&
- V.first < Instruction::BinaryOpsEnd) ||
- V.first == Instruction::Shl ||
- V.first == Instruction::LShr ||
- V.first == Instruction::AShr)
- return new BinaryConstantExpr(V.first, V.second[0], V.second[1]);
- if (V.first == Instruction::Select)
- return new SelectConstantExpr(V.second[0], V.second[1], V.second[2]);
- if (V.first == Instruction::ExtractElement)
- return new ExtractElementConstantExpr(V.second[0], V.second[1]);
- if (V.first == Instruction::InsertElement)
- return new InsertElementConstantExpr(V.second[0], V.second[1],
- V.second[2]);
- if (V.first == Instruction::ShuffleVector)
- return new ShuffleVectorConstantExpr(V.second[0], V.second[1],
- V.second[2]);
-
- assert(V.first == Instruction::GetElementPtr && "Invalid ConstantExpr!");
+ static ConstantExpr *create(const Type *Ty, const ExprMapKeyType &V,
+ unsigned short pred = 0) {
+ if (Instruction::isCast(V.opcode))
+ return new UnaryConstantExpr(V.opcode, V.operands[0], Ty);
+ if ((V.opcode >= Instruction::BinaryOpsBegin &&
+ V.opcode < Instruction::BinaryOpsEnd))
+ return new BinaryConstantExpr(V.opcode, V.operands[0], V.operands[1]);
+ if (V.opcode == Instruction::Select)
+ return new SelectConstantExpr(V.operands[0], V.operands[1],
+ V.operands[2]);
+ if (V.opcode == Instruction::ExtractElement)
+ return new ExtractElementConstantExpr(V.operands[0], V.operands[1]);
+ if (V.opcode == Instruction::InsertElement)
+ return new InsertElementConstantExpr(V.operands[0], V.operands[1],
+ V.operands[2]);
+ if (V.opcode == Instruction::ShuffleVector)
+ return new ShuffleVectorConstantExpr(V.operands[0], V.operands[1],
+ V.operands[2]);
+ if (V.opcode == Instruction::GetElementPtr) {
+ std::vector<Constant*> IdxList(V.operands.begin()+1, V.operands.end());
+ return new GetElementPtrConstantExpr(V.operands[0], IdxList, Ty);
+ }
- std::vector<Constant*> IdxList(V.second.begin()+1, V.second.end());
- return new GetElementPtrConstantExpr(V.second[0], IdxList, Ty);
+ // The compare instructions are weird. We have to encode the predicate
+ // value and it is combined with the instruction opcode by multiplying
+ // the opcode by one hundred. We must decode this to get the predicate.
+ if (V.opcode == Instruction::ICmp)
+ return new CompareConstantExpr(Instruction::ICmp, V.predicate,
+ V.operands[0], V.operands[1]);
+ if (V.opcode == Instruction::FCmp)
+ return new CompareConstantExpr(Instruction::FCmp, V.predicate,
+ V.operands[0], V.operands[1]);
+ assert(0 && "Invalid ConstantExpr!");
+ return 0;
}
};
case Instruction::PtrToInt:
case Instruction::IntToPtr:
case Instruction::BitCast:
- New = ConstantExpr::getCast(
- OldC->getOpcode(), OldC->getOperand(0), NewTy);
+ New = ConstantExpr::getCast(OldC->getOpcode(), OldC->getOperand(0),
+ NewTy);
break;
case Instruction::Select:
New = ConstantExpr::getSelectTy(NewTy, OldC->getOperand(0),
OldC->getOperand(1),
OldC->getOperand(2));
break;
- case Instruction::Shl:
- case Instruction::LShr:
- case Instruction::AShr:
- New = ConstantExpr::getShiftTy(NewTy, OldC->getOpcode(),
- OldC->getOperand(0), OldC->getOperand(1));
- break;
default:
assert(OldC->getOpcode() >= Instruction::BinaryOpsBegin &&
OldC->getOpcode() < Instruction::BinaryOpsEnd);
case Instruction::GetElementPtr:
// Make everyone now use a constant of the new type...
std::vector<Value*> Idx(OldC->op_begin()+1, OldC->op_end());
- New = ConstantExpr::getGetElementPtrTy(NewTy, OldC->getOperand(0), Idx);
+ New = ConstantExpr::getGetElementPtrTy(NewTy, OldC->getOperand(0),
+ &Idx[0], Idx.size());
break;
}
Operands.reserve(CE->getNumOperands());
for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i)
Operands.push_back(cast<Constant>(CE->getOperand(i)));
- return ExprMapKeyType(CE->getOpcode(), Operands);
+ return ExprMapKeyType(CE->getOpcode(), Operands,
+ CE->isCompare() ? CE->getPredicate() : 0);
}
static ManagedStatic<ValueMap<ExprMapKeyType, Type,
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> argVec(1, C);
- ExprMapKeyType Key = std::make_pair(opc, argVec);
+ ExprMapKeyType Key(opc, argVec);
return ExprConstants->getOrCreate(Ty, Key);
}
-
-Constant *ConstantExpr::getCast( Constant *C, const Type *Ty ) {
- // Note: we can't inline this because it requires the Instructions.h header
- return getCast(CastInst::getCastOpcode(C, Ty), C, Ty);
-}
-
+
Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty) {
Instruction::CastOps opc = Instruction::CastOps(oc);
assert(Instruction::isCast(opc) && "opcode out of range");
assert(0 && "Invalid cast opcode");
break;
case Instruction::Trunc: return getTrunc(C, Ty);
- case Instruction::ZExt: return getZeroExtend(C, Ty);
- case Instruction::SExt: return getSignExtend(C, Ty);
+ case Instruction::ZExt: return getZExt(C, Ty);
+ case Instruction::SExt: return getSExt(C, Ty);
case Instruction::FPTrunc: return getFPTrunc(C, Ty);
case Instruction::FPExt: return getFPExtend(C, Ty);
case Instruction::UIToFP: return getUIToFP(C, Ty);
case Instruction::BitCast: return getBitCast(C, Ty);
}
return 0;
+}
+
+Constant *ConstantExpr::getZExtOrBitCast(Constant *C, const Type *Ty) {
+ if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ return getCast(Instruction::BitCast, C, Ty);
+ return getCast(Instruction::ZExt, C, Ty);
+}
+
+Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
+ if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ return getCast(Instruction::BitCast, C, Ty);
+ return getCast(Instruction::SExt, C, Ty);
+}
+
+Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
+ if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ return getCast(Instruction::BitCast, C, Ty);
+ return getCast(Instruction::Trunc, C, Ty);
+}
+
+Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
+ assert(isa<PointerType>(S->getType()) && "Invalid cast");
+ assert((Ty->isInteger() || isa<PointerType>(Ty)) && "Invalid cast");
+
+ if (Ty->isInteger())
+ return getCast(Instruction::PtrToInt, S, Ty);
+ return getCast(Instruction::BitCast, S, Ty);
+}
+
+Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
+ bool isSigned) {
+ assert(C->getType()->isInteger() && Ty->isInteger() && "Invalid cast");
+ unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
+ unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ Instruction::CastOps opcode =
+ (SrcBits == DstBits ? Instruction::BitCast :
+ (SrcBits > DstBits ? Instruction::Trunc :
+ (isSigned ? Instruction::SExt : Instruction::ZExt)));
+ return getCast(opcode, C, Ty);
+}
+
+Constant *ConstantExpr::getFPCast(Constant *C, const Type *Ty) {
+ assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
+ "Invalid cast");
+ unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
+ unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ if (SrcBits == DstBits)
+ return C; // Avoid a useless cast
+ Instruction::CastOps opcode =
+ (SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt);
+ return getCast(opcode, C, Ty);
}
Constant *ConstantExpr::getTrunc(Constant *C, const Type *Ty) {
assert(C->getType()->isInteger() && "Trunc operand must be integer");
- assert(Ty->isIntegral() && "Trunc produces only integral");
+ assert(Ty->isInteger() && "Trunc produces only integral");
assert(C->getType()->getPrimitiveSizeInBits() > Ty->getPrimitiveSizeInBits()&&
"SrcTy must be larger than DestTy for Trunc!");
return getFoldedCast(Instruction::Trunc, C, Ty);
}
-Constant *ConstantExpr::getSignExtend(Constant *C, const Type *Ty) {
- assert(C->getType()->isIntegral() && "SEXt operand must be integral");
+Constant *ConstantExpr::getSExt(Constant *C, const Type *Ty) {
+ assert(C->getType()->isInteger() && "SEXt operand must be integral");
assert(Ty->isInteger() && "SExt produces only integer");
assert(C->getType()->getPrimitiveSizeInBits() < Ty->getPrimitiveSizeInBits()&&
"SrcTy must be smaller than DestTy for SExt!");
return getFoldedCast(Instruction::SExt, C, Ty);
}
-Constant *ConstantExpr::getZeroExtend(Constant *C, const Type *Ty) {
- assert(C->getType()->isIntegral() && "ZEXt operand must be integral");
+Constant *ConstantExpr::getZExt(Constant *C, const Type *Ty) {
+ assert(C->getType()->isInteger() && "ZEXt operand must be integral");
assert(Ty->isInteger() && "ZExt produces only integer");
assert(C->getType()->getPrimitiveSizeInBits() < Ty->getPrimitiveSizeInBits()&&
"SrcTy must be smaller than DestTy for ZExt!");
}
Constant *ConstantExpr::getUIToFP(Constant *C, const Type *Ty) {
- assert(C->getType()->isIntegral() && Ty->isFloatingPoint() &&
- "This is an illegal uint to floating point cast!");
+ assert(C->getType()->isInteger() && Ty->isFloatingPoint() &&
+ "This is an illegal i32 to floating point cast!");
return getFoldedCast(Instruction::UIToFP, C, Ty);
}
Constant *ConstantExpr::getSIToFP(Constant *C, const Type *Ty) {
- assert(C->getType()->isIntegral() && Ty->isFloatingPoint() &&
+ assert(C->getType()->isInteger() && Ty->isFloatingPoint() &&
"This is an illegal sint to floating point cast!");
return getFoldedCast(Instruction::SIToFP, C, Ty);
}
Constant *ConstantExpr::getFPToUI(Constant *C, const Type *Ty) {
- assert(C->getType()->isFloatingPoint() && Ty->isIntegral() &&
- "This is an illegal floating point to uint cast!");
+ assert(C->getType()->isFloatingPoint() && Ty->isInteger() &&
+ "This is an illegal floating point to i32 cast!");
return getFoldedCast(Instruction::FPToUI, C, Ty);
}
Constant *ConstantExpr::getFPToSI(Constant *C, const Type *Ty) {
- assert(C->getType()->isFloatingPoint() && Ty->isIntegral() &&
- "This is an illegal floating point to sint cast!");
+ assert(C->getType()->isFloatingPoint() && Ty->isInteger() &&
+ "This is an illegal floating point to i32 cast!");
return getFoldedCast(Instruction::FPToSI, C, Ty);
}
Constant *ConstantExpr::getPtrToInt(Constant *C, const Type *DstTy) {
assert(isa<PointerType>(C->getType()) && "PtrToInt source must be pointer");
- assert(DstTy->isIntegral() && "PtrToInt destination must be integral");
+ assert(DstTy->isInteger() && "PtrToInt destination must be integral");
return getFoldedCast(Instruction::PtrToInt, C, DstTy);
}
Constant *ConstantExpr::getIntToPtr(Constant *C, const Type *DstTy) {
- assert(C->getType()->isIntegral() && "IntToPtr source must be integral");
+ assert(C->getType()->isInteger() && "IntToPtr source must be integral");
assert(isa<PointerType>(DstTy) && "IntToPtr destination must be a pointer");
return getFoldedCast(Instruction::IntToPtr, C, DstTy);
}
// can't cast pointers to anything but pointers.
const Type *SrcTy = C->getType();
assert((isa<PointerType>(SrcTy) == isa<PointerType>(DstTy)) &&
- "Bitcast cannot cast pointer to non-pointer and vice versa");
+ "BitCast cannot cast pointer to non-pointer and vice versa");
// Now we know we're not dealing with mismatched pointer casts (ptr->nonptr
// or nonptr->ptr). For all the other types, the cast is okay if source and
// destination bit widths are identical.
unsigned SrcBitSize = SrcTy->getPrimitiveSizeInBits();
unsigned DstBitSize = DstTy->getPrimitiveSizeInBits();
- assert(SrcBitSize == DstBitSize && "Bitcast requies types of same width");
+ assert(SrcBitSize == DstBitSize && "BitCast requies types of same width");
return getFoldedCast(Instruction::BitCast, C, DstTy);
}
Constant *ConstantExpr::getSizeOf(const Type *Ty) {
// sizeof is implemented as: (ulong) gep (Ty*)null, 1
- return getCast(
- getGetElementPtr(getNullValue(PointerType::get(Ty)),
- std::vector<Constant*>(1, ConstantInt::get(Type::UIntTy, 1))),
- Type::ULongTy);
+ return getCast(Instruction::PtrToInt, getGetElementPtr(getNullValue(
+ PointerType::get(Ty)), std::vector<Constant*>(1,
+ ConstantInt::get(Type::Int32Ty, 1))), Type::Int64Ty);
}
Constant *ConstantExpr::getPtrPtrFromArrayPtr(Constant *C) {
// pointer from array is implemented as: getelementptr arr ptr, 0, 0
- static std::vector<Constant*> Indices(2, ConstantInt::get(Type::UIntTy, 0));
+ static std::vector<Constant*> Indices(2, ConstantInt::get(Type::Int32Ty, 0));
return ConstantExpr::getGetElementPtr(C, Indices);
}
Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
Constant *C1, Constant *C2) {
- if (Opcode == Instruction::Shl || Opcode == Instruction::LShr ||
- Opcode == Instruction::AShr)
- return getShiftTy(ReqTy, Opcode, C1, C2);
// Check the operands for consistency first
assert(Opcode >= Instruction::BinaryOpsBegin &&
Opcode < Instruction::BinaryOpsEnd &&
assert(C1->getType() == C2->getType() &&
"Operand types in binary constant expression should match");
- if (ReqTy == C1->getType() || (Instruction::isComparison(Opcode) &&
- ReqTy == Type::BoolTy))
+ if (ReqTy == C1->getType() || ReqTy == Type::Int1Ty)
if (Constant *FC = ConstantFoldBinaryInstruction(Opcode, C1, C2))
return FC; // Fold a few common cases...
std::vector<Constant*> argVec(1, C1); argVec.push_back(C2);
- ExprMapKeyType Key = std::make_pair(Opcode, argVec);
+ ExprMapKeyType Key(Opcode, argVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
+Constant *ConstantExpr::getCompareTy(unsigned short predicate,
+ Constant *C1, Constant *C2) {
+ switch (predicate) {
+ default: assert(0 && "Invalid CmpInst predicate");
+ case FCmpInst::FCMP_FALSE: case FCmpInst::FCMP_OEQ: case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_OGE: case FCmpInst::FCMP_OLT: case FCmpInst::FCMP_OLE:
+ case FCmpInst::FCMP_ONE: case FCmpInst::FCMP_ORD: case FCmpInst::FCMP_UNO:
+ case FCmpInst::FCMP_UEQ: case FCmpInst::FCMP_UGT: case FCmpInst::FCMP_UGE:
+ case FCmpInst::FCMP_ULT: case FCmpInst::FCMP_ULE: case FCmpInst::FCMP_UNE:
+ case FCmpInst::FCMP_TRUE:
+ return getFCmp(predicate, C1, C2);
+ case ICmpInst::ICMP_EQ: case ICmpInst::ICMP_NE: case ICmpInst::ICMP_UGT:
+ case ICmpInst::ICMP_UGE: case ICmpInst::ICMP_ULT: case ICmpInst::ICMP_ULE:
+ case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGE: case ICmpInst::ICMP_SLT:
+ case ICmpInst::ICMP_SLE:
+ return getICmp(predicate, C1, C2);
+ }
+}
+
Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2) {
#ifndef NDEBUG
switch (Opcode) {
case Instruction::Or:
case Instruction::Xor:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert((C1->getType()->isInteg
ral() || isa<PackedType>(C1->getType())) &&
+ assert((C1->getType()->isInteg
er() || isa<PackedType>(C1->getType())) &&
"Tried to create a logical operation on a non-integral type!");
break;
- case Instruction::SetLT: case Instruction::SetGT: case Instruction::SetLE:
- case Instruction::SetGE: case Instruction::SetEQ: case Instruction::SetNE:
- assert(C1->getType() == C2->getType() && "Op types should be identical!");
- break;
case Instruction::Shl:
case Instruction::LShr:
case Instruction::AShr:
- assert(C2->getType() == Type::UByteTy && "Shift should be by ubyte!");
+ assert(C1->getType() == C2->getType() && "Op types should be identical!");
assert(C1->getType()->isInteger() &&
"Tried to create a shift operation on a non-integer type!");
break;
}
#endif
- if (Instruction::isComparison(Opcode))
- return getTy(Type::BoolTy, Opcode, C1, C2);
- else
- return getTy(C1->getType(), Opcode, C1, C2);
+ return getTy(C1->getType(), Opcode, C1, C2);
+}
+
+Constant *ConstantExpr::getCompare(unsigned short pred,
+ Constant *C1, Constant *C2) {
+ assert(C1->getType() == C2->getType() && "Op types should be identical!");
+ return getCompareTy(pred, C1, C2);
}
Constant *ConstantExpr::getSelectTy(const Type *ReqTy, Constant *C,
Constant *V1, Constant *V2) {
- assert(C->getType() == Type::BoolTy && "Select condition must be bool!");
+ assert(C->getType() == Type::Int1Ty && "Select condition must be i1!");
assert(V1->getType() == V2->getType() && "Select value types must match!");
assert(V1->getType()->isFirstClassType() && "Cannot select aggregate type!");
std::vector<Constant*> argVec(3, C);
argVec[1] = V1;
argVec[2] = V2;
- ExprMapKeyType Key = std::make_pair(Instruction::Select, argVec);
+ ExprMapKeyType Key(Instruction::Select, argVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
-/// getShiftTy - Return a shift left or shift right constant expr
-Constant *ConstantExpr::getShiftTy(const Type *ReqTy, unsigned Opcode,
- Constant *C1, Constant *C2) {
- // Check the operands for consistency first
- assert((Opcode == Instruction::Shl ||
- Opcode == Instruction::LShr ||
- Opcode == Instruction::AShr) &&
- "Invalid opcode in binary constant expression");
- assert(C1->getType()->isIntegral() && C2->getType() == Type::UByteTy &&
- "Invalid operand types for Shift constant expr!");
-
- if (Constant *FC = ConstantFoldBinaryInstruction(Opcode, C1, C2))
- return FC; // Fold a few common cases...
-
- // Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> argVec(1, C1); argVec.push_back(C2);
- ExprMapKeyType Key = std::make_pair(Opcode, argVec);
- return ExprConstants->getOrCreate(ReqTy, Key);
-}
-
-
Constant *ConstantExpr::getGetElementPtrTy(const Type *ReqTy, Constant *C,
- const std::vector<Value*> &IdxList) {
- assert(GetElementPtrInst::getIndexedType(C->getType(), IdxList, true) &&
+ Value* const *Idxs,
+ unsigned NumIdx) {
+ assert(GetElementPtrInst::getIndexedType(C->getType(), Idxs, NumIdx, true) &&
"GEP indices invalid!");
- if (Constant *FC = ConstantFoldGetElementPtr(C, IdxList))
+ if (Constant *FC = ConstantFoldGetElementPtr(C, (Constant**)Idxs, NumIdx))
return FC; // Fold a few common cases...
assert(isa<PointerType>(C->getType()) &&
"Non-pointer type for constant GetElementPtr expression");
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
- ArgVec.reserve(IdxList.size()+1);
+ ArgVec.reserve(NumIdx+1);
ArgVec.push_back(C);
- for (unsigned i = 0, e = IdxList.size(); i != e; ++i)
- ArgVec.push_back(cast<Constant>(IdxList[i]));
- const ExprMapKeyType &Key = std::make_pair(Instruction::GetElementPtr,ArgVec);
+ for (unsigned i = 0; i != NumIdx; ++i)
+ ArgVec.push_back(cast<Constant>(Idxs[i]));
+ const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
-Constant *ConstantExpr::getGetElementPtr(Constant *C,
- const std::vector<Constant*> &IdxList){
+Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
+ unsigned NumIdx) {
// Get the result type of the getelementptr!
- std::vector<Value*> VIdxList(IdxList.begin(), IdxList.end());
-
- const Type *Ty = GetElementPtrInst::getIndexedType(C->getType(), VIdxList,
- true);
+ const Type *Ty =
+ GetElementPtrInst::getIndexedType(C->getType(), Idxs, NumIdx, true);
assert(Ty && "GEP indices invalid!");
- return getGetElementPtrTy(PointerType::get(Ty), C, VIdxList);
+ return getGetElementPtrTy(PointerType::get(Ty), C, Idxs, NumIdx);
}
-Constant *ConstantExpr::getGetElementPtr(Constant *C,
- const std::vector<Value*> &IdxList) {
- // Get the result type of the getelementptr!
- const Type *Ty = GetElementPtrInst::getIndexedType(C->getType(), IdxList,
- true);
- assert(Ty && "GEP indices invalid!");
- return getGetElementPtrTy(PointerType::get(Ty), C, IdxList);
+Constant *ConstantExpr::getGetElementPtr(Constant *C, Constant* const *Idxs,
+ unsigned NumIdx) {
+ return getGetElementPtr(C, (Value* const *)Idxs, NumIdx);
+}
+
+
+Constant *
+ConstantExpr::getICmp(unsigned short pred, Constant* LHS, Constant* RHS) {
+ assert(LHS->getType() == RHS->getType());
+ assert(pred >= ICmpInst::FIRST_ICMP_PREDICATE &&
+ pred <= ICmpInst::LAST_ICMP_PREDICATE && "Invalid ICmp Predicate");
+
+ if (Constant *FC = ConstantFoldCompareInstruction(pred, LHS, RHS))
+ return FC; // Fold a few common cases...
+
+ // Look up the constant in the table first to ensure uniqueness
+ std::vector<Constant*> ArgVec;
+ ArgVec.push_back(LHS);
+ ArgVec.push_back(RHS);
+ // Get the key type with both the opcode and predicate
+ const ExprMapKeyType Key(Instruction::ICmp, ArgVec, pred);
+ return ExprConstants->getOrCreate(Type::Int1Ty, Key);
+}
+
+Constant *
+ConstantExpr::getFCmp(unsigned short pred, Constant* LHS, Constant* RHS) {
+ assert(LHS->getType() == RHS->getType());
+ assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && "Invalid FCmp Predicate");
+
+ if (Constant *FC = ConstantFoldCompareInstruction(pred, LHS, RHS))
+ return FC; // Fold a few common cases...
+
+ // Look up the constant in the table first to ensure uniqueness
+ std::vector<Constant*> ArgVec;
+ ArgVec.push_back(LHS);
+ ArgVec.push_back(RHS);
+ // Get the key type with both the opcode and predicate
+ const ExprMapKeyType Key(Instruction::FCmp, ArgVec, pred);
+ return ExprConstants->getOrCreate(Type::Int1Ty, Key);
}
Constant *ConstantExpr::getExtractElementTy(const Type *ReqTy, Constant *Val,
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, Val);
ArgVec.push_back(Idx);
- const ExprMapKeyType &Key = std::make_pair(Instruction::ExtractElement,ArgVec);
+ const ExprMapKeyType Key(Instruction::ExtractElement,ArgVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getExtractElement(Constant *Val, Constant *Idx) {
assert(isa<PackedType>(Val->getType()) &&
"Tried to create extractelement operation on non-packed type!");
- assert(Idx->getType() == Type::UIntTy &&
- "Extractelement index must be uint type!");
+ assert(Idx->getType() == Type::Int32Ty &&
+ "Extractelement index must be i32 type!");
return getExtractElementTy(cast<PackedType>(Val->getType())->getElementType(),
Val, Idx);
}
std::vector<Constant*> ArgVec(1, Val);
ArgVec.push_back(Elt);
ArgVec.push_back(Idx);
- const ExprMapKeyType &Key = std::make_pair(Instruction::InsertElement,ArgVec);
+ const ExprMapKeyType Key(Instruction::InsertElement,ArgVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
"Tried to create insertelement operation on non-packed type!");
assert(Elt->getType() == cast<PackedType>(Val->getType())->getElementType()
&& "Insertelement types must match!");
- assert(Idx->getType() == Type::UIntTy &&
- "Insertelement index must be uint type!");
+ assert(Idx->getType() == Type::Int32Ty &&
+ "Insertelement index must be i32 type!");
return getInsertElementTy(cast<PackedType>(Val->getType())->getElementType(),
Val, Elt, Idx);
}
std::vector<Constant*> ArgVec(1, V1);
ArgVec.push_back(V2);
ArgVec.push_back(Mask);
- const ExprMapKeyType &Key = std::make_pair(Instruction::ShuffleVector,ArgVec);
+ const ExprMapKeyType Key(Instruction::ShuffleVector,ArgVec);
return ExprConstants->getOrCreate(ReqTy, Key);
}
return getShuffleVectorTy(V1->getType(), V1, V2, Mask);
}
+Constant *ConstantExpr::getZeroValueForNegationExpr(const Type *Ty) {
+ if (const PackedType *PTy = dyn_cast<PackedType>(Ty))
+ if (PTy->getElementType()->isFloatingPoint()) {
+ std::vector<Constant*> zeros(PTy->getNumElements(),
+ ConstantFP::get(PTy->getElementType(),-0.0));
+ return ConstantPacked::get(PTy, zeros);
+ }
+
+ if (Ty->isFloatingPoint())
+ return ConstantFP::get(Ty, -0.0);
+
+ return Constant::getNullValue(Ty);
+}
// destroyConstant - Remove the constant from the constant table...
//
if (C2 == From) C2 = To;
if (C3 == From) C3 = To;
Replacement = ConstantExpr::getShuffleVector(C1, C2, C3);
+ } else if (isCompare()) {
+ Constant *C1 = getOperand(0);
+ Constant *C2 = getOperand(1);
+ if (C1 == From) C1 = To;
+ if (C2 == From) C2 = To;
+ if (getOpcode() == Instruction::ICmp)
+ Replacement = ConstantExpr::getICmp(getPredicate(), C1, C2);
+ else
+ Replacement = ConstantExpr::getFCmp(getPredicate(), C1, C2);
} else if (getNumOperands() == 2) {
Constant *C1 = getOperand(0);
Constant *C2 = getOperand(1);
}
return "";
}
-
projects / oota-llvm.git / blobdiff