land David Blaikie's patch to de-constify Type, with a few tweaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index 7d6349c..9b704f6 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -129,11 +129,11 @@
AllocaInfo &Info);
void isSafeGEP(GetElementPtrInst *GEPI, uint64_t &Offset, AllocaInfo &Info);
void isSafeMemAccess(uint64_t Offset, uint64_t MemSize,
- const Type *MemOpType, bool isStore, AllocaInfo &Info,
+ Type *MemOpType, bool isStore, AllocaInfo &Info,
Instruction *TheAccess, bool AllowWholeAccess);
- bool TypeHasComponent(const Type *T, uint64_t Offset, uint64_t Size);
- uint64_t FindElementAndOffset(const Type *&T, uint64_t &Offset,
- const Type *&IdxTy);
+ bool TypeHasComponent(Type *T, uint64_t Offset, uint64_t Size);
+ uint64_t FindElementAndOffset(Type *&T, uint64_t &Offset,
+ Type *&IdxTy);
void DoScalarReplacement(AllocaInst *AI,
std::vector<AllocaInst*> &WorkList);
@@ -253,7 +253,7 @@
/// VectorTy - This tracks the type that we should promote the vector to if
/// it is possible to turn it into a vector. This starts out null, and if it
/// isn't possible to turn into a vector type, it gets set to VoidTy.
- const VectorType *VectorTy;
+ VectorType *VectorTy;
/// HadNonMemTransferAccess - True if there is at least one access to the
/// alloca that is not a MemTransferInst. We don't want to turn structs into
@@ -269,11 +269,11 @@
private:
bool CanConvertToScalar(Value *V, uint64_t Offset);
- void MergeInTypeForLoadOrStore(const Type *In, uint64_t Offset);
- bool MergeInVectorType(const VectorType *VInTy, uint64_t Offset);
+ void MergeInTypeForLoadOrStore(Type *In, uint64_t Offset);
+ bool MergeInVectorType(VectorType *VInTy, uint64_t Offset);
void ConvertUsesToScalar(Value *Ptr, AllocaInst *NewAI, uint64_t Offset);
- Value *ConvertScalar_ExtractValue(Value *NV, const Type *ToType,
+ Value *ConvertScalar_ExtractValue(Value *NV, Type *ToType,
uint64_t Offset, IRBuilder<> &Builder);
Value *ConvertScalar_InsertValue(Value *StoredVal, Value *ExistingVal,
uint64_t Offset, IRBuilder<> &Builder);
@@ -306,7 +306,7 @@
// random stuff that doesn't use vectors (e.g. <9 x double>) because then
// we just get a lot of insert/extracts. If at least one vector is
// involved, then we probably really do have a union of vector/array.
- const Type *NewTy;
+ Type *NewTy;
if (ScalarKind == Vector) {
assert(VectorTy && "Missing type for vector scalar.");
DEBUG(dbgs() << "CONVERT TO VECTOR: " << *AI << "\n TYPE = "
@@ -344,7 +344,7 @@
/// large) integer type with extract and insert operations where the loads
/// and stores would mutate the memory. We mark this by setting VectorTy
/// to VoidTy.
-void ConvertToScalarInfo::MergeInTypeForLoadOrStore(const Type *In,
+void ConvertToScalarInfo::MergeInTypeForLoadOrStore(Type *In,
uint64_t Offset) {
// If we already decided to turn this into a blob of integer memory, there is
// nothing to be done.
@@ -355,7 +355,7 @@
// If the In type is a vector that is the same size as the alloca, see if it
// matches the existing VecTy.
- if (const VectorType *VInTy = dyn_cast<VectorType>(In)) {
+ if (VectorType *VInTy = dyn_cast<VectorType>(In)) {
if (MergeInVectorType(VInTy, Offset))
return;
} else if (In->isFloatTy() || In->isDoubleTy() ||
@@ -395,7 +395,7 @@
/// MergeInVectorType - Handles the vector case of MergeInTypeForLoadOrStore,
/// returning true if the type was successfully merged and false otherwise.
-bool ConvertToScalarInfo::MergeInVectorType(const VectorType *VInTy,
+bool ConvertToScalarInfo::MergeInVectorType(VectorType *VInTy,
uint64_t Offset) {
// TODO: Support nonzero offsets?
if (Offset != 0)
@@ -422,8 +422,8 @@
return true;
}
- const Type *ElementTy = VectorTy->getElementType();
- const Type *InElementTy = VInTy->getElementType();
+ Type *ElementTy = VectorTy->getElementType();
+ Type *InElementTy = VInTy->getElementType();
// Do not allow mixed integer and floating-point accesses from vectors of
// different sizes.
@@ -668,8 +668,8 @@
// pointer (bitcasted), then a store to our new alloca.
assert(MTI->getRawDest() == Ptr && "Neither use is of pointer?");
Value *SrcPtr = MTI->getSource();
- const PointerType* SPTy = cast<PointerType>(SrcPtr->getType());
- const PointerType* AIPTy = cast<PointerType>(NewAI->getType());
+ PointerType* SPTy = cast<PointerType>(SrcPtr->getType());
+ PointerType* AIPTy = cast<PointerType>(NewAI->getType());
if (SPTy->getAddressSpace() != AIPTy->getAddressSpace()) {
AIPTy = PointerType::get(AIPTy->getElementType(),
SPTy->getAddressSpace());
@@ -685,8 +685,8 @@
assert(MTI->getRawSource() == Ptr && "Neither use is of pointer?");
LoadInst *SrcVal = Builder.CreateLoad(NewAI, "srcval");
- const PointerType* DPTy = cast<PointerType>(MTI->getDest()->getType());
- const PointerType* AIPTy = cast<PointerType>(NewAI->getType());
+ PointerType* DPTy = cast<PointerType>(MTI->getDest()->getType());
+ PointerType* AIPTy = cast<PointerType>(NewAI->getType());
if (DPTy->getAddressSpace() != AIPTy->getAddressSpace()) {
AIPTy = PointerType::get(AIPTy->getElementType(),
DPTy->getAddressSpace());
@@ -711,7 +711,7 @@
/// access of an alloca. The input types must be integer or floating-point
/// scalar or vector types, and the resulting type is an integer, float or
/// double.
-static const Type *getScaledElementType(const Type *Ty1, const Type *Ty2,
+static Type *getScaledElementType(Type *Ty1, Type *Ty2,
unsigned NewBitWidth) {
bool IsFP1 = Ty1->isFloatingPointTy() ||
(Ty1->isVectorTy() &&
@@ -737,11 +737,11 @@
/// CreateShuffleVectorCast - Creates a shuffle vector to convert one vector
/// to another vector of the same element type which has the same allocation
/// size but different primitive sizes (e.g. <3 x i32> and <4 x i32>).
-static Value *CreateShuffleVectorCast(Value *FromVal, const Type *ToType,
+static Value *CreateShuffleVectorCast(Value *FromVal, Type *ToType,
IRBuilder<> &Builder) {
- const Type *FromType = FromVal->getType();
- const VectorType *FromVTy = cast<VectorType>(FromType);
- const VectorType *ToVTy = cast<VectorType>(ToType);
+ Type *FromType = FromVal->getType();
+ VectorType *FromVTy = cast<VectorType>(FromType);
+ VectorType *ToVTy = cast<VectorType>(ToType);
assert((ToVTy->getElementType() == FromVTy->getElementType()) &&
"Vectors must have the same element type");
Value *UnV = UndefValue::get(FromType);
@@ -749,7 +749,7 @@
unsigned numEltsTo = ToVTy->getNumElements();
SmallVector<Constant*, 3> Args;
- const Type* Int32Ty = Builder.getInt32Ty();
+ Type* Int32Ty = Builder.getInt32Ty();
unsigned minNumElts = std::min(numEltsFrom, numEltsTo);
unsigned i;
for (i=0; i != minNumElts; ++i)
@@ -775,16 +775,16 @@
/// Offset is an offset from the original alloca, in bits that need to be
/// shifted to the right.
Value *ConvertToScalarInfo::
-ConvertScalar_ExtractValue(Value *FromVal, const Type *ToType,
+ConvertScalar_ExtractValue(Value *FromVal, Type *ToType,
uint64_t Offset, IRBuilder<> &Builder) {
// If the load is of the whole new alloca, no conversion is needed.
- const Type *FromType = FromVal->getType();
+ Type *FromType = FromVal->getType();
if (FromType == ToType && Offset == 0)
return FromVal;
// If the result alloca is a vector type, this is either an element
// access or a bitcast to another vector type of the same size.
- if (const VectorType *VTy = dyn_cast<VectorType>(FromType)) {
+ if (VectorType *VTy = dyn_cast<VectorType>(FromType)) {
unsigned FromTypeSize = TD.getTypeAllocSize(FromType);
unsigned ToTypeSize = TD.getTypeAllocSize(ToType);
if (FromTypeSize == ToTypeSize) {
@@ -803,12 +803,12 @@
assert(!(ToType->isVectorTy() && Offset != 0) && "Can't extract a value "
"of a smaller vector type at a nonzero offset.");
- const Type *CastElementTy = getScaledElementType(FromType, ToType,
+ Type *CastElementTy = getScaledElementType(FromType, ToType,
ToTypeSize * 8);
unsigned NumCastVectorElements = FromTypeSize / ToTypeSize;
LLVMContext &Context = FromVal->getContext();
- const Type *CastTy = VectorType::get(CastElementTy,
+ Type *CastTy = VectorType::get(CastElementTy,
NumCastVectorElements);
Value *Cast = Builder.CreateBitCast(FromVal, CastTy, "tmp");
@@ -837,7 +837,7 @@
// If ToType is a first class aggregate, extract out each of the pieces and
// use insertvalue's to form the FCA.
- if (const StructType *ST = dyn_cast<StructType>(ToType)) {
+ if (StructType *ST = dyn_cast<StructType>(ToType)) {
const StructLayout &Layout = *TD.getStructLayout(ST);
Value *Res = UndefValue::get(ST);
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
@@ -849,7 +849,7 @@
return Res;
}
- if (const ArrayType *AT = dyn_cast<ArrayType>(ToType)) {
+ if (ArrayType *AT = dyn_cast<ArrayType>(ToType)) {
uint64_t EltSize = TD.getTypeAllocSizeInBits(AT->getElementType());
Value *Res = UndefValue::get(AT);
for (unsigned i = 0, e = AT->getNumElements(); i != e; ++i) {
@@ -861,7 +861,7 @@
}
// Otherwise, this must be a union that was converted to an integer value.
- const IntegerType *NTy = cast<IntegerType>(FromVal->getType());
+ IntegerType *NTy = cast<IntegerType>(FromVal->getType());
// If this is a big-endian system and the load is narrower than the
// full alloca type, we need to do a shift to get the right bits.
@@ -927,10 +927,10 @@
uint64_t Offset, IRBuilder<> &Builder) {
// Convert the stored type to the actual type, shift it left to insert
// then 'or' into place.
- const Type *AllocaType = Old->getType();
+ Type *AllocaType = Old->getType();
LLVMContext &Context = Old->getContext();
- if (const VectorType *VTy = dyn_cast<VectorType>(AllocaType)) {
+ if (VectorType *VTy = dyn_cast<VectorType>(AllocaType)) {
uint64_t VecSize = TD.getTypeAllocSizeInBits(VTy);
uint64_t ValSize = TD.getTypeAllocSizeInBits(SV->getType());
@@ -952,12 +952,12 @@
assert(!(SV->getType()->isVectorTy() && Offset != 0) && "Can't insert a "
"value of a smaller vector type at a nonzero offset.");
- const Type *CastElementTy = getScaledElementType(VTy, SV->getType(),
+ Type *CastElementTy = getScaledElementType(VTy, SV->getType(),
ValSize);
unsigned NumCastVectorElements = VecSize / ValSize;
LLVMContext &Context = SV->getContext();
- const Type *OldCastTy = VectorType::get(CastElementTy,
+ Type *OldCastTy = VectorType::get(CastElementTy,
NumCastVectorElements);
Value *OldCast = Builder.CreateBitCast(Old, OldCastTy, "tmp");
@@ -982,7 +982,7 @@
}
// If SV is a first-class aggregate value, insert each value recursively.
- if (const StructType *ST = dyn_cast<StructType>(SV->getType())) {
+ if (StructType *ST = dyn_cast<StructType>(SV->getType())) {
const StructLayout &Layout = *TD.getStructLayout(ST);
for (unsigned i = 0, e = ST->getNumElements(); i != e; ++i) {
Value *Elt = Builder.CreateExtractValue(SV, i, "tmp");
@@ -993,7 +993,7 @@
return Old;
}
- if (const ArrayType *AT = dyn_cast<ArrayType>(SV->getType())) {
+ if (ArrayType *AT = dyn_cast<ArrayType>(SV->getType())) {
uint64_t EltSize = TD.getTypeAllocSizeInBits(AT->getElementType());
for (unsigned i = 0, e = AT->getNumElements(); i != e; ++i) {
Value *Elt = Builder.CreateExtractValue(SV, i, "tmp");
@@ -1393,7 +1393,7 @@
continue;
}
- const Type *LoadTy = cast<PointerType>(PN->getType())->getElementType();
+ Type *LoadTy = cast<PointerType>(PN->getType())->getElementType();
PHINode *NewPN = PHINode::Create(LoadTy, PN->getNumIncomingValues(),
PN->getName()+".ld", PN);
@@ -1483,13 +1483,13 @@
/// ShouldAttemptScalarRepl - Decide if an alloca is a good candidate for
/// SROA. It must be a struct or array type with a small number of elements.
static bool ShouldAttemptScalarRepl(AllocaInst *AI) {
- const Type *T = AI->getAllocatedType();
+ Type *T = AI->getAllocatedType();
// Do not promote any struct into more than 32 separate vars.
- if (const StructType *ST = dyn_cast<StructType>(T))
+ if (StructType *ST = dyn_cast<StructType>(T))
return ST->getNumElements() <= 32;
// Arrays are much less likely to be safe for SROA; only consider
// them if they are very small.
- if (const ArrayType *AT = dyn_cast<ArrayType>(T))
+ if (ArrayType *AT = dyn_cast<ArrayType>(T))
return AT->getNumElements() <= 8;
return false;
}
@@ -1594,7 +1594,7 @@
std::vector<AllocaInst*> &WorkList) {
DEBUG(dbgs() << "Found inst to SROA: " << *AI << '\n');
SmallVector<AllocaInst*, 32> ElementAllocas;
- if (const StructType *ST = dyn_cast<StructType>(AI->getAllocatedType())) {
+ if (StructType *ST = dyn_cast<StructType>(AI->getAllocatedType())) {
ElementAllocas.reserve(ST->getNumContainedTypes());
for (unsigned i = 0, e = ST->getNumContainedTypes(); i != e; ++i) {
AllocaInst *NA = new AllocaInst(ST->getContainedType(i), 0,
@@ -1604,9 +1604,9 @@
WorkList.push_back(NA); // Add to worklist for recursive processing
}
} else {
- const ArrayType *AT = cast<ArrayType>(AI->getAllocatedType());
+ ArrayType *AT = cast<ArrayType>(AI->getAllocatedType());
ElementAllocas.reserve(AT->getNumElements());
- const Type *ElTy = AT->getElementType();
+ Type *ElTy = AT->getElementType();
for (unsigned i = 0, e = AT->getNumElements(); i != e; ++i) {
AllocaInst *NA = new AllocaInst(ElTy, 0, AI->getAlignment(),
AI->getName() + "." + Twine(i), AI);
@@ -1672,7 +1672,7 @@
} else if (LoadInst *LI = dyn_cast<LoadInst>(User)) {
if (LI->isVolatile())
return MarkUnsafe(Info, User);
- const Type *LIType = LI->getType();
+ Type *LIType = LI->getType();
isSafeMemAccess(Offset, TD->getTypeAllocSize(LIType),
LIType, false, Info, LI, true /*AllowWholeAccess*/);
Info.hasALoadOrStore = true;
@@ -1682,7 +1682,7 @@
if (SI->isVolatile() || SI->getOperand(0) == I)
return MarkUnsafe(Info, User);
- const Type *SIType = SI->getOperand(0)->getType();
+ Type *SIType = SI->getOperand(0)->getType();
isSafeMemAccess(Offset, TD->getTypeAllocSize(SIType),
SIType, true, Info, SI, true /*AllowWholeAccess*/);
Info.hasALoadOrStore = true;
@@ -1727,7 +1727,7 @@
} else if (LoadInst *LI = dyn_cast<LoadInst>(User)) {
if (LI->isVolatile())
return MarkUnsafe(Info, User);
- const Type *LIType = LI->getType();
+ Type *LIType = LI->getType();
isSafeMemAccess(Offset, TD->getTypeAllocSize(LIType),
LIType, false, Info, LI, false /*AllowWholeAccess*/);
Info.hasALoadOrStore = true;
@@ -1737,7 +1737,7 @@
if (SI->isVolatile() || SI->getOperand(0) == I)
return MarkUnsafe(Info, User);
- const Type *SIType = SI->getOperand(0)->getType();
+ Type *SIType = SI->getOperand(0)->getType();
isSafeMemAccess(Offset, TD->getTypeAllocSize(SIType),
SIType, true, Info, SI, false /*AllowWholeAccess*/);
Info.hasALoadOrStore = true;
@@ -1786,14 +1786,14 @@
/// elements of the same type (which is always true for arrays). If so,
/// return true with NumElts and EltTy set to the number of elements and the
/// element type, respectively.
-static bool isHomogeneousAggregate(const Type *T, unsigned &NumElts,
- const Type *&EltTy) {
- if (const ArrayType *AT = dyn_cast<ArrayType>(T)) {
+static bool isHomogeneousAggregate(Type *T, unsigned &NumElts,
+ Type *&EltTy) {
+ if (ArrayType *AT = dyn_cast<ArrayType>(T)) {
NumElts = AT->getNumElements();
EltTy = (NumElts == 0 ? 0 : AT->getElementType());
return true;
}
- if (const StructType *ST = dyn_cast<StructType>(T)) {
+ if (StructType *ST = dyn_cast<StructType>(T)) {
NumElts = ST->getNumContainedTypes();
EltTy = (NumElts == 0 ? 0 : ST->getContainedType(0));
for (unsigned n = 1; n < NumElts; ++n) {
@@ -1807,12 +1807,12 @@
/// isCompatibleAggregate - Check if T1 and T2 are either the same type or are
/// "homogeneous" aggregates with the same element type and number of elements.
-static bool isCompatibleAggregate(const Type *T1, const Type *T2) {
+static bool isCompatibleAggregate(Type *T1, Type *T2) {
if (T1 == T2)
return true;
unsigned NumElts1, NumElts2;
- const Type *EltTy1, *EltTy2;
+ Type *EltTy1, *EltTy2;
if (isHomogeneousAggregate(T1, NumElts1, EltTy1) &&
isHomogeneousAggregate(T2, NumElts2, EltTy2) &&
NumElts1 == NumElts2 &&
@@ -1830,7 +1830,7 @@
/// If AllowWholeAccess is true, then this allows uses of the entire alloca as a
/// unit. If false, it only allows accesses known to be in a single element.
void SROA::isSafeMemAccess(uint64_t Offset, uint64_t MemSize,
- const Type *MemOpType, bool isStore,
+ Type *MemOpType, bool isStore,
AllocaInfo &Info, Instruction *TheAccess,
bool AllowWholeAccess) {
// Check if this is a load/store of the entire alloca.
@@ -1857,7 +1857,7 @@
}
}
// Check if the offset/size correspond to a component within the alloca type.
- const Type *T = Info.AI->getAllocatedType();
+ Type *T = Info.AI->getAllocatedType();
if (TypeHasComponent(T, Offset, MemSize)) {
Info.hasSubelementAccess = true;
return;
@@ -1868,16 +1868,16 @@
/// TypeHasComponent - Return true if T has a component type with the
/// specified offset and size. If Size is zero, do not check the size.
-bool SROA::TypeHasComponent(const Type *T, uint64_t Offset, uint64_t Size) {
- const Type *EltTy;
+bool SROA::TypeHasComponent(Type *T, uint64_t Offset, uint64_t Size) {
+ Type *EltTy;
uint64_t EltSize;
- if (const StructType *ST = dyn_cast<StructType>(T)) {
+ if (StructType *ST = dyn_cast<StructType>(T)) {
const StructLayout *Layout = TD->getStructLayout(ST);
unsigned EltIdx = Layout->getElementContainingOffset(Offset);
EltTy = ST->getContainedType(EltIdx);
EltSize = TD->getTypeAllocSize(EltTy);
Offset -= Layout->getElementOffset(EltIdx);
- } else if (const ArrayType *AT = dyn_cast<ArrayType>(T)) {
+ } else if (ArrayType *AT = dyn_cast<ArrayType>(T)) {
EltTy = AT->getElementType();
EltSize = TD->getTypeAllocSize(EltTy);
if (Offset >= AT->getNumElements() * EltSize)
@@ -1926,7 +1926,7 @@
}
if (LoadInst *LI = dyn_cast<LoadInst>(User)) {
- const Type *LIType = LI->getType();
+ Type *LIType = LI->getType();
if (isCompatibleAggregate(LIType, AI->getAllocatedType())) {
// Replace:
@@ -1956,7 +1956,7 @@
if (StoreInst *SI = dyn_cast<StoreInst>(User)) {
Value *Val = SI->getOperand(0);
- const Type *SIType = Val->getType();
+ Type *SIType = Val->getType();
if (isCompatibleAggregate(SIType, AI->getAllocatedType())) {
// Replace:
// store { i32, i32 } %val, { i32, i32 }* %alloc
@@ -2026,10 +2026,10 @@
/// Sets T to the type of the element and Offset to the offset within that
/// element. IdxTy is set to the type of the index result to be used in a
/// GEP instruction.
-uint64_t SROA::FindElementAndOffset(const Type *&T, uint64_t &Offset,
- const Type *&IdxTy) {
+uint64_t SROA::FindElementAndOffset(Type *&T, uint64_t &Offset,
+ Type *&IdxTy) {
uint64_t Idx = 0;
- if (const StructType *ST = dyn_cast<StructType>(T)) {
+ if (StructType *ST = dyn_cast<StructType>(T)) {
const StructLayout *Layout = TD->getStructLayout(ST);
Idx = Layout->getElementContainingOffset(Offset);
T = ST->getContainedType(Idx);
@@ -2037,7 +2037,7 @@
IdxTy = Type::getInt32Ty(T->getContext());
return Idx;
}
- const ArrayType *AT = cast<ArrayType>(T);
+ ArrayType *AT = cast<ArrayType>(T);
T = AT->getElementType();
uint64_t EltSize = TD->getTypeAllocSize(T);
Idx = Offset / EltSize;
@@ -2058,8 +2058,8 @@
RewriteForScalarRepl(GEPI, AI, Offset, NewElts);
- const Type *T = AI->getAllocatedType();
- const Type *IdxTy;
+ Type *T = AI->getAllocatedType();
+ Type *IdxTy;
uint64_t OldIdx = FindElementAndOffset(T, OldOffset, IdxTy);
if (GEPI->getOperand(0) == AI)
OldIdx = ~0ULL; // Force the GEP to be rewritten.
@@ -2073,7 +2073,7 @@
if (Idx == OldIdx)
return;
- const Type *i32Ty = Type::getInt32Ty(AI->getContext());
+ Type *i32Ty = Type::getInt32Ty(AI->getContext());
SmallVector<Value*, 8> NewArgs;
NewArgs.push_back(Constant::getNullValue(i32Ty));
while (EltOffset != 0) {
@@ -2139,7 +2139,7 @@
// If the pointer is not the right type, insert a bitcast to the right
// type.
- const Type *NewTy =
+ Type *NewTy =
PointerType::get(AI->getType()->getElementType(), AddrSpace);
if (OtherPtr->getType() != NewTy)
@@ -2163,12 +2163,12 @@
OtherPtr->getName()+"."+Twine(i),
MI);
uint64_t EltOffset;
- const PointerType *OtherPtrTy = cast<PointerType>(OtherPtr->getType());
- const Type *OtherTy = OtherPtrTy->getElementType();
- if (const StructType *ST = dyn_cast<StructType>(OtherTy)) {
+ PointerType *OtherPtrTy = cast<PointerType>(OtherPtr->getType());
+ Type *OtherTy = OtherPtrTy->getElementType();
+ if (StructType *ST = dyn_cast<StructType>(OtherTy)) {
EltOffset = TD->getStructLayout(ST)->getElementOffset(i);
} else {
- const Type *EltTy = cast<SequentialType>(OtherTy)->getElementType();
+ Type *EltTy = cast<SequentialType>(OtherTy)->getElementType();
EltOffset = TD->getTypeAllocSize(EltTy)*i;
}
@@ -2181,7 +2181,7 @@
}
Value *EltPtr = NewElts[i];
- const Type *EltTy = cast<PointerType>(EltPtr->getType())->getElementType();
+ Type *EltTy = cast<PointerType>(EltPtr->getType())->getElementType();
// If we got down to a scalar, insert a load or store as appropriate.
if (EltTy->isSingleValueType()) {
@@ -2207,7 +2207,7 @@
StoreVal = Constant::getNullValue(EltTy); // 0.0, null, 0, <0,0>
} else {
// If EltTy is a vector type, get the element type.
- const Type *ValTy = EltTy->getScalarType();
+ Type *ValTy = EltTy->getScalarType();
// Construct an integer with the right value.
unsigned EltSize = TD->getTypeSizeInBits(ValTy);
@@ -2271,7 +2271,7 @@
// Extract each element out of the integer according to its structure offset
// and store the element value to the individual alloca.
Value *SrcVal = SI->getOperand(0);
- const Type *AllocaEltTy = AI->getAllocatedType();
+ Type *AllocaEltTy = AI->getAllocatedType();
uint64_t AllocaSizeBits = TD->getTypeAllocSizeInBits(AllocaEltTy);
IRBuilder<> Builder(SI);
@@ -2286,12 +2286,12 @@
// There are two forms here: AI could be an array or struct. Both cases
// have different ways to compute the element offset.
- if (const StructType *EltSTy = dyn_cast<StructType>(AllocaEltTy)) {
+ if (StructType *EltSTy = dyn_cast<StructType>(AllocaEltTy)) {
const StructLayout *Layout = TD->getStructLayout(EltSTy);
for (unsigned i = 0, e = NewElts.size(); i != e; ++i) {
// Get the number of bits to shift SrcVal to get the value.
- const Type *FieldTy = EltSTy->getElementType(i);
+ Type *FieldTy = EltSTy->getElementType(i);
uint64_t Shift = Layout->getElementOffsetInBits(i);
if (TD->isBigEndian())
@@ -2327,8 +2327,8 @@
}
} else {
- const ArrayType *ATy = cast<ArrayType>(AllocaEltTy);
- const Type *ArrayEltTy = ATy->getElementType();
+ ArrayType *ATy = cast<ArrayType>(AllocaEltTy);
+ Type *ArrayEltTy = ATy->getElementType();
uint64_t ElementOffset = TD->getTypeAllocSizeInBits(ArrayEltTy);
uint64_t ElementSizeBits = TD->getTypeSizeInBits(ArrayEltTy);
@@ -2384,7 +2384,7 @@
SmallVector<AllocaInst*, 32> &NewElts) {
// Extract each element out of the NewElts according to its structure offset
// and form the result value.
- const Type *AllocaEltTy = AI->getAllocatedType();
+ Type *AllocaEltTy = AI->getAllocatedType();
uint64_t AllocaSizeBits = TD->getTypeAllocSizeInBits(AllocaEltTy);
DEBUG(dbgs() << "PROMOTING LOAD OF WHOLE ALLOCA: " << *AI << '\n' << *LI
@@ -2394,10 +2394,10 @@
// have different ways to compute the element offset.
const StructLayout *Layout = 0;
uint64_t ArrayEltBitOffset = 0;
- if (const StructType *EltSTy = dyn_cast<StructType>(AllocaEltTy)) {
+ if (StructType *EltSTy = dyn_cast<StructType>(AllocaEltTy)) {
Layout = TD->getStructLayout(EltSTy);
} else {
- const Type *ArrayEltTy = cast<ArrayType>(AllocaEltTy)->getElementType();
+ Type *ArrayEltTy = cast<ArrayType>(AllocaEltTy)->getElementType();
ArrayEltBitOffset = TD->getTypeAllocSizeInBits(ArrayEltTy);
}
@@ -2408,14 +2408,14 @@
// Load the value from the alloca. If the NewElt is an aggregate, cast
// the pointer to an integer of the same size before doing the load.
Value *SrcField = NewElts[i];
- const Type *FieldTy =
+ Type *FieldTy =
cast<PointerType>(SrcField->getType())->getElementType();
uint64_t FieldSizeBits = TD->getTypeSizeInBits(FieldTy);
// Ignore zero sized fields like {}, they obviously contain no data.
if (FieldSizeBits == 0) continue;
- const IntegerType *FieldIntTy = IntegerType::get(LI->getContext(),
+ IntegerType *FieldIntTy = IntegerType::get(LI->getContext(),
FieldSizeBits);
if (!FieldTy->isIntegerTy() && !FieldTy->isFloatingPointTy() &&
!FieldTy->isVectorTy())
@@ -2468,14 +2468,14 @@
/// HasPadding - Return true if the specified type has any structure or
/// alignment padding in between the elements that would be split apart
/// by SROA; return false otherwise.
-static bool HasPadding(const Type *Ty, const TargetData &TD) {
- if (const ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
+static bool HasPadding(Type *Ty, const TargetData &TD) {
+ if (ArrayType *ATy = dyn_cast<ArrayType>(Ty)) {
Ty = ATy->getElementType();
return TD.getTypeSizeInBits(Ty) != TD.getTypeAllocSizeInBits(Ty);
}
// SROA currently handles only Arrays and Structs.
- const StructType *STy = cast<StructType>(Ty);
+ StructType *STy = cast<StructType>(Ty);
const StructLayout *SL = TD.getStructLayout(STy);
unsigned PrevFieldBitOffset = 0;
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
@@ -2530,7 +2530,7 @@
// and fusion code.
if (!Info.hasSubelementAccess && Info.hasALoadOrStore) {
// If the struct/array just has one element, use basic SRoA.
- if (const StructType *ST = dyn_cast<StructType>(AI->getAllocatedType())) {
+ if (StructType *ST = dyn_cast<StructType>(AI->getAllocatedType())) {
if (ST->getNumElements() > 1) return false;
} else {
if (cast<ArrayType>(AI->getAllocatedType())->getNumElements() > 1)