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the various ConstantExpr::get*Ty methods existed to work with issues around

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type refinement.  Zap them now that type refinement is toast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134837 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-07-09 18:23:52 +00:00
parent bda20650d2
commit eaf79809e8
2 changed files with 96 additions and 180 deletions
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37
include/llvm/Constants.h
View File

@ -640,35 +640,6 @@ protected:
setValueSubclassData(Opcode); setValueSubclassData(Opcode);
} }
// These private methods are used by the type resolution code to create
// ConstantExprs in intermediate forms.
static Constant *getTy(const Type *Ty, unsigned Opcode,
Constant *C1, Constant *C2,
unsigned Flags = 0);
static Constant *getCompareTy(unsigned short pred, Constant *C1,
Constant *C2);
static Constant *getSelectTy(const Type *Ty,
Constant *C1, Constant *C2, Constant *C3);
template<typename IndexTy>
static Constant *getGetElementPtrTy(const Type *Ty, Constant *C,
IndexTy const *Idxs, unsigned NumIdxs,
bool InBounds);
static Constant *getExtractElementTy(const Type *Ty, Constant *Val,
Constant *Idx);
static Constant *getInsertElementTy(const Type *Ty, Constant *Val,
Constant *Elt, Constant *Idx);
static Constant *getShuffleVectorTy(const Type *Ty, Constant *V1,
Constant *V2, Constant *Mask);
static Constant *getExtractValueTy(const Type *Ty, Constant *Agg,
const unsigned *Idxs, unsigned NumIdxs);
static Constant *getInsertValueTy(const Type *Ty, Constant *Agg,
Constant *Val,
const unsigned *Idxs, unsigned NumIdxs);
template<typename IndexTy>
static Constant *getGetElementPtrImpl(Constant *C,
IndexTy const *IdxList,
unsigned NumIdx, bool InBounds);
public: public:
// Static methods to construct a ConstantExpr of different kinds. Note that // Static methods to construct a ConstantExpr of different kinds. Note that
// these methods may return a object that is not an instance of the // these methods may return a object that is not an instance of the
@ -839,9 +810,7 @@ public:
/// Select constant expr /// Select constant expr
/// ///
static Constant *getSelect(Constant *C, Constant *V1, Constant *V2) { static Constant *getSelect(Constant *C, Constant *V1, Constant *V2);
return getSelectTy(V1->getType(), C, V1, V2);
}
/// get - Return a binary or shift operator constant expression, /// get - Return a binary or shift operator constant expression,
/// folding if possible. /// folding if possible.
@ -863,7 +832,9 @@ public:
/// ///
static Constant *getGetElementPtr(Constant *C, static Constant *getGetElementPtr(Constant *C,
Constant *const *IdxList, unsigned NumIdx, Constant *const *IdxList, unsigned NumIdx,
bool InBounds = false); bool InBounds = false) {
return getGetElementPtr(C, (Value**)IdxList, NumIdx, InBounds);
}
static Constant *getGetElementPtr(Constant *C, static Constant *getGetElementPtr(Constant *C,
Value *const *IdxList, unsigned NumIdx, Value *const *IdxList, unsigned NumIdx,
bool InBounds = false); bool InBounds = false);

225
lib/VMCore/Constants.cpp
View File

@ -1421,49 +1421,15 @@ Constant *ConstantExpr::getBitCast(Constant *C, const Type *DstTy) {
return getFoldedCast(Instruction::BitCast, C, DstTy); return getFoldedCast(Instruction::BitCast, C, DstTy);
} }
Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode, Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
Constant *C1, Constant *C2,
unsigned Flags) { unsigned Flags) {
// Check the operands for consistency first // Check the operands for consistency first.
assert(Opcode >= Instruction::BinaryOpsBegin && assert(Opcode >= Instruction::BinaryOpsBegin &&
Opcode < Instruction::BinaryOpsEnd && Opcode < Instruction::BinaryOpsEnd &&
"Invalid opcode in binary constant expression"); "Invalid opcode in binary constant expression");
assert(C1->getType() == C2->getType() && assert(C1->getType() == C2->getType() &&
"Operand types in binary constant expression should match"); "Operand types in binary constant expression should match");
if (ReqTy == C1->getType() || ReqTy == Type::getInt1Ty(ReqTy->getContext()))
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(Opcode, argVec, 0, Flags);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getCompareTy(unsigned short predicate,
Constant *C1, Constant *C2) {
switch (predicate) {
default: llvm_unreachable("Invalid CmpInst predicate");
case CmpInst::FCMP_FALSE: case CmpInst::FCMP_OEQ: case CmpInst::FCMP_OGT:
case CmpInst::FCMP_OGE: case CmpInst::FCMP_OLT: case CmpInst::FCMP_OLE:
case CmpInst::FCMP_ONE: case CmpInst::FCMP_ORD: case CmpInst::FCMP_UNO:
case CmpInst::FCMP_UEQ: case CmpInst::FCMP_UGT: case CmpInst::FCMP_UGE:
case CmpInst::FCMP_ULT: case CmpInst::FCMP_ULE: case CmpInst::FCMP_UNE:
case CmpInst::FCMP_TRUE:
return getFCmp(predicate, C1, C2);
case CmpInst::ICMP_EQ: case CmpInst::ICMP_NE: case CmpInst::ICMP_UGT:
case CmpInst::ICMP_UGE: case CmpInst::ICMP_ULT: case CmpInst::ICMP_ULE:
case CmpInst::ICMP_SGT: case CmpInst::ICMP_SGE: case CmpInst::ICMP_SLT:
case CmpInst::ICMP_SLE:
return getICmp(predicate, C1, C2);
}
}
Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
unsigned Flags) {
#ifndef NDEBUG #ifndef NDEBUG
switch (Opcode) { switch (Opcode) {
case Instruction::Add: case Instruction::Add:
@ -1522,7 +1488,15 @@ Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
} }
#endif #endif
return getTy(C1->getType(), Opcode, C1, C2, Flags); 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(Opcode, argVec, 0, Flags);
LLVMContextImpl *pImpl = C1->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(C1->getType(), Key);
} }
Constant *ConstantExpr::getSizeOf(const Type* Ty) { Constant *ConstantExpr::getSizeOf(const Type* Ty) {
@ -1567,17 +1541,31 @@ Constant *ConstantExpr::getOffsetOf(const Type* Ty, Constant *FieldNo) {
Type::getInt64Ty(Ty->getContext())); Type::getInt64Ty(Ty->getContext()));
} }
Constant *ConstantExpr::getCompare(unsigned short pred, Constant *ConstantExpr::getCompare(unsigned short Predicate,
Constant *C1, Constant *C2) { Constant *C1, Constant *C2) {
assert(C1->getType() == C2->getType() && "Op types should be identical!"); assert(C1->getType() == C2->getType() && "Op types should be identical!");
return getCompareTy(pred, C1, C2);
switch (Predicate) {
default: llvm_unreachable("Invalid CmpInst predicate");
case CmpInst::FCMP_FALSE: case CmpInst::FCMP_OEQ: case CmpInst::FCMP_OGT:
case CmpInst::FCMP_OGE: case CmpInst::FCMP_OLT: case CmpInst::FCMP_OLE:
case CmpInst::FCMP_ONE: case CmpInst::FCMP_ORD: case CmpInst::FCMP_UNO:
case CmpInst::FCMP_UEQ: case CmpInst::FCMP_UGT: case CmpInst::FCMP_UGE:
case CmpInst::FCMP_ULT: case CmpInst::FCMP_ULE: case CmpInst::FCMP_UNE:
case CmpInst::FCMP_TRUE:
return getFCmp(Predicate, C1, C2);
case CmpInst::ICMP_EQ: case CmpInst::ICMP_NE: case CmpInst::ICMP_UGT:
case CmpInst::ICMP_UGE: case CmpInst::ICMP_ULT: case CmpInst::ICMP_ULE:
case CmpInst::ICMP_SGT: case CmpInst::ICMP_SGE: case CmpInst::ICMP_SLT:
case CmpInst::ICMP_SLE:
return getICmp(Predicate, C1, C2);
}
} }
Constant *ConstantExpr::getSelectTy(const Type *ReqTy, Constant *C, Constant *ConstantExpr::getSelect(Constant *C, Constant *V1, Constant *V2) {
Constant *V1, Constant *V2) {
assert(!SelectInst::areInvalidOperands(C, V1, V2)&&"Invalid select operands"); assert(!SelectInst::areInvalidOperands(C, V1, V2)&&"Invalid select operands");
if (ReqTy == V1->getType())
if (Constant *SC = ConstantFoldSelectInstruction(C, V1, V2)) if (Constant *SC = ConstantFoldSelectInstruction(C, V1, V2))
return SC; // Fold common cases return SC; // Fold common cases
@ -1586,22 +1574,22 @@ Constant *ConstantExpr::getSelectTy(const Type *ReqTy, Constant *C,
argVec[2] = V2; argVec[2] = V2;
ExprMapKeyType Key(Instruction::Select, argVec); ExprMapKeyType Key(Instruction::Select, argVec);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl; LLVMContextImpl *pImpl = C->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key); return pImpl->ExprConstants.getOrCreate(V1->getType(), Key);
} }
template<typename IndexTy> Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
Constant *ConstantExpr::getGetElementPtrTy(const Type *ReqTy, Constant *C,
IndexTy const *Idxs,
unsigned NumIdx, bool InBounds) { unsigned NumIdx, bool InBounds) {
assert(GetElementPtrInst::getIndexedType(C->getType(), Idxs,
Idxs+NumIdx) ==
cast<PointerType>(ReqTy)->getElementType() &&
"GEP indices invalid!");
if (Constant *FC = ConstantFoldGetElementPtr(C, InBounds, Idxs, NumIdx)) if (Constant *FC = ConstantFoldGetElementPtr(C, InBounds, Idxs, NumIdx))
return FC; // Fold a few common cases. return FC; // Fold a few common cases.
// Get the result type of the getelementptr!
const Type *Ty =
GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
assert(Ty && "GEP indices invalid!");
unsigned AS = cast<PointerType>(C->getType())->getAddressSpace();
Type *ReqTy = Ty->getPointerTo(AS);
assert(C->getType()->isPointerTy() && assert(C->getType()->isPointerTy() &&
"Non-pointer type for constant GetElementPtr expression"); "Non-pointer type for constant GetElementPtr expression");
// Look up the constant in the table first to ensure uniqueness // Look up the constant in the table first to ensure uniqueness
@ -1613,31 +1601,10 @@ Constant *ConstantExpr::getGetElementPtrTy(const Type *ReqTy, Constant *C,
const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec, 0, const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec, 0,
InBounds ? GEPOperator::IsInBounds : 0); InBounds ? GEPOperator::IsInBounds : 0);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl; LLVMContextImpl *pImpl = C->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key); return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
} }
template<typename IndexTy>
Constant *ConstantExpr::getGetElementPtrImpl(Constant *C, IndexTy const *Idxs,
unsigned NumIdx, bool InBounds) {
// Get the result type of the getelementptr!
const Type *Ty =
GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
assert(Ty && "GEP indices invalid!");
unsigned As = cast<PointerType>(C->getType())->getAddressSpace();
return getGetElementPtrTy(PointerType::get(Ty, As), C, Idxs, NumIdx,InBounds);
}
Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
unsigned NumIdx, bool InBounds) {
return getGetElementPtrImpl(C, Idxs, NumIdx, InBounds);
}
Constant *ConstantExpr::getGetElementPtr(Constant *C, Constant *const *Idxs,
unsigned NumIdx, bool InBounds) {
return getGetElementPtrImpl(C, Idxs, NumIdx, InBounds);
}
Constant * Constant *
ConstantExpr::getICmp(unsigned short pred, Constant *LHS, Constant *RHS) { ConstantExpr::getICmp(unsigned short pred, Constant *LHS, Constant *RHS) {
assert(LHS->getType() == RHS->getType()); assert(LHS->getType() == RHS->getType());
@ -1685,39 +1652,22 @@ ConstantExpr::getFCmp(unsigned short pred, Constant *LHS, Constant *RHS) {
return pImpl->ExprConstants.getOrCreate(ResultTy, Key); return pImpl->ExprConstants.getOrCreate(ResultTy, Key);
} }
Constant *ConstantExpr::getExtractElementTy(const Type *ReqTy, Constant *Val,
Constant *Idx) {
if (Constant *FC = ConstantFoldExtractElementInstruction(Val, Idx))
return FC; // Fold a few common cases.
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, Val);
ArgVec.push_back(Idx);
const ExprMapKeyType Key(Instruction::ExtractElement,ArgVec);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getExtractElement(Constant *Val, Constant *Idx) { Constant *ConstantExpr::getExtractElement(Constant *Val, Constant *Idx) {
assert(Val->getType()->isVectorTy() && assert(Val->getType()->isVectorTy() &&
"Tried to create extractelement operation on non-vector type!"); "Tried to create extractelement operation on non-vector type!");
assert(Idx->getType()->isIntegerTy(32) && assert(Idx->getType()->isIntegerTy(32) &&
"Extractelement index must be i32 type!"); "Extractelement index must be i32 type!");
return getExtractElementTy(cast<VectorType>(Val->getType())->getElementType(),
Val, Idx);
}
Constant *ConstantExpr::getInsertElementTy(const Type *ReqTy, Constant *Val, if (Constant *FC = ConstantFoldExtractElementInstruction(Val, Idx))
Constant *Elt, Constant *Idx) {
if (Constant *FC = ConstantFoldInsertElementInstruction(Val, Elt, Idx))
return FC; // Fold a few common cases. return FC; // Fold a few common cases.
// Look up the constant in the table first to ensure uniqueness // Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, Val); std::vector<Constant*> ArgVec(1, Val);
ArgVec.push_back(Elt);
ArgVec.push_back(Idx); ArgVec.push_back(Idx);
const ExprMapKeyType Key(Instruction::InsertElement,ArgVec); const ExprMapKeyType Key(Instruction::ExtractElement,ArgVec);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl; LLVMContextImpl *pImpl = Val->getContext().pImpl;
Type *ReqTy = cast<VectorType>(Val->getType())->getElementType();
return pImpl->ExprConstants.getOrCreate(ReqTy, Key); return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
} }
@ -1729,21 +1679,17 @@ Constant *ConstantExpr::getInsertElement(Constant *Val, Constant *Elt,
&& "Insertelement types must match!"); && "Insertelement types must match!");
assert(Idx->getType()->isIntegerTy(32) && assert(Idx->getType()->isIntegerTy(32) &&
"Insertelement index must be i32 type!"); "Insertelement index must be i32 type!");
return getInsertElementTy(Val->getType(), Val, Elt, Idx);
}
Constant *ConstantExpr::getShuffleVectorTy(const Type *ReqTy, Constant *V1, if (Constant *FC = ConstantFoldInsertElementInstruction(Val, Elt, Idx))
Constant *V2, Constant *Mask) { return FC; // Fold a few common cases.
if (Constant *FC = ConstantFoldShuffleVectorInstruction(V1, V2, Mask))
return FC; // Fold a few common cases...
// Look up the constant in the table first to ensure uniqueness // Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, V1); std::vector<Constant*> ArgVec(1, Val);
ArgVec.push_back(V2); ArgVec.push_back(Elt);
ArgVec.push_back(Mask); ArgVec.push_back(Idx);
const ExprMapKeyType Key(Instruction::ShuffleVector,ArgVec); const ExprMapKeyType Key(Instruction::InsertElement,ArgVec);
LLVMContextImpl *pImpl = ReqTy->getContext().pImpl; LLVMContextImpl *pImpl = Val->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key); return pImpl->ExprConstants.getOrCreate(Val->getType(), Key);
} }
Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2, Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2,
@ -1751,15 +1697,35 @@ Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2,
assert(ShuffleVectorInst::isValidOperands(V1, V2, Mask) && assert(ShuffleVectorInst::isValidOperands(V1, V2, Mask) &&
"Invalid shuffle vector constant expr operands!"); "Invalid shuffle vector constant expr operands!");
if (Constant *FC = ConstantFoldShuffleVectorInstruction(V1, V2, Mask))
return FC; // Fold a few common cases.
unsigned NElts = cast<VectorType>(Mask->getType())->getNumElements(); unsigned NElts = cast<VectorType>(Mask->getType())->getNumElements();
const Type *EltTy = cast<VectorType>(V1->getType())->getElementType(); const Type *EltTy = cast<VectorType>(V1->getType())->getElementType();
const Type *ShufTy = VectorType::get(EltTy, NElts); const Type *ShufTy = VectorType::get(EltTy, NElts);
return getShuffleVectorTy(ShufTy, V1, V2, Mask);
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, V1);
ArgVec.push_back(V2);
ArgVec.push_back(Mask);
const ExprMapKeyType Key(Instruction::ShuffleVector,ArgVec);
LLVMContextImpl *pImpl = ShufTy->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ShufTy, Key);
} }
Constant *ConstantExpr::getInsertValueTy(const Type *ReqTy, Constant *Agg, Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val,
Constant *Val,
const unsigned *Idxs, unsigned NumIdx) { const unsigned *Idxs, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create insertelement operation on non-first-class type!");
const Type *ReqTy = Agg->getType();
#ifndef NDEBUG
const Type *ValTy =
ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
assert(ValTy == Val->getType() && "insertvalue indices invalid!");
#endif
assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs, assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
Idxs+NumIdx) == Val->getType() && Idxs+NumIdx) == Val->getType() &&
"insertvalue indices invalid!"); "insertvalue indices invalid!");
@ -1772,25 +1738,15 @@ Constant *ConstantExpr::getInsertValueTy(const Type *ReqTy, Constant *Agg,
return FC; return FC;
} }
Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val, Constant *ConstantExpr::getExtractValue(Constant *Agg,
const unsigned *IdxList, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create insertelement operation on non-first-class type!");
const Type *ReqTy = Agg->getType();
#ifndef NDEBUG
const Type *ValTy =
ExtractValueInst::getIndexedType(Agg->getType(), IdxList, IdxList+NumIdx);
#endif
assert(ValTy == Val->getType() && "insertvalue indices invalid!");
return getInsertValueTy(ReqTy, Agg, Val, IdxList, NumIdx);
}
Constant *ConstantExpr::getExtractValueTy(const Type *ReqTy, Constant *Agg,
const unsigned *Idxs, unsigned NumIdx) { const unsigned *Idxs, unsigned NumIdx) {
assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs, assert(Agg->getType()->isFirstClassType() &&
Idxs+NumIdx) == ReqTy && "Tried to create extractelement operation on non-first-class type!");
"extractvalue indices invalid!");
const Type *ReqTy =
ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
assert(ReqTy && "extractvalue indices invalid!");
assert(Agg->getType()->isFirstClassType() && assert(Agg->getType()->isFirstClassType() &&
"Non-first-class type for constant extractvalue expression"); "Non-first-class type for constant extractvalue expression");
Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs, NumIdx); Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs, NumIdx);
@ -1798,17 +1754,6 @@ Constant *ConstantExpr::getExtractValueTy(const Type *ReqTy, Constant *Agg,
return FC; return FC;
} }
Constant *ConstantExpr::getExtractValue(Constant *Agg,
const unsigned *IdxList, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create extractelement operation on non-first-class type!");
const Type *ReqTy =
ExtractValueInst::getIndexedType(Agg->getType(), IdxList, IdxList+NumIdx);
assert(ReqTy && "extractvalue indices invalid!");
return getExtractValueTy(ReqTy, Agg, IdxList, NumIdx);
}
Constant *ConstantExpr::getNeg(Constant *C, bool HasNUW, bool HasNSW) { Constant *ConstantExpr::getNeg(Constant *C, bool HasNUW, bool HasNSW) {
assert(C->getType()->isIntOrIntVectorTy() && assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!"); "Cannot NEG a nonintegral value!");