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Revert r98656, its breaking all over the place.

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llvm-svn: 98662
This commit is contained in:
Daniel Dunbar 2010-03-16 19:35:34 +00:00
parent 7a96045d0a
commit faade5305c
5 changed files with 4 additions and 73 deletions
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7
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -293,8 +293,6 @@ void BitcodeReaderValueList::ResolveConstantForwardRefs() {
} else if (ConstantStruct *UserCS = dyn_cast<ConstantStruct>(UserC)) {
NewC = ConstantStruct::get(Context, &NewOps[0], NewOps.size(),
UserCS->getType()->isPacked());
} else if (ConstantUnion *UserCU = dyn_cast<ConstantUnion>(UserC)) {
NewC = ConstantUnion::get(UserCU->getType(), NewOps[0]);
} else if (isa<ConstantVector>(UserC)) {
NewC = ConstantVector::get(&NewOps[0], NewOps.size());
} else {
@ -1017,11 +1015,6 @@ bool BitcodeReader::ParseConstants() {
Elts.push_back(ValueList.getConstantFwdRef(Record[i],
STy->getElementType(i)));
V = ConstantStruct::get(STy, Elts);
} else if (const UnionType *UnTy = dyn_cast<UnionType>(CurTy)) {
uint64_t Index = Record[0];
Constant *Val = ValueList.getConstantFwdRef(Record[1],
UnTy->getElementType(Index));
V = ConstantUnion::get(UnTy, Val);
} else if (const ArrayType *ATy = dyn_cast<ArrayType>(CurTy)) {
const Type *EltTy = ATy->getElementType();
for (unsigned i = 0; i != Size; ++i)

16
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -808,25 +808,11 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
else if (isCStr7)
AbbrevToUse = CString7Abbrev;
} else if (isa<ConstantArray>(C) || isa<ConstantStruct>(V) ||
isa<ConstantVector>(V)) {
isa<ConstantUnion>(C) || isa<ConstantVector>(V)) {
Code = bitc::CST_CODE_AGGREGATE;
for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
Record.push_back(VE.getValueID(C->getOperand(i)));
AbbrevToUse = AggregateAbbrev;
} else if (isa<ConstantUnion>(C)) {
Code = bitc::CST_CODE_AGGREGATE;
// Unions only have one entry but we must send type along with it.
const Type *EntryKind = C->getOperand(0)->getType();
const UnionType *UnTy = cast<UnionType>(C->getType());
int UnionIndex = UnTy->getElementTypeIndex(EntryKind);
assert(UnionIndex != -1 && "Constant union contains invalid entry");
Record.push_back(UnionIndex);
Record.push_back(VE.getValueID(C->getOperand(0)));
AbbrevToUse = AggregateAbbrev;
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
switch (CE->getOpcode()) {
default:

24
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -1138,21 +1138,6 @@ static void EmitGlobalConstantStruct(const ConstantStruct *CS,
"Layout of constant struct may be incorrect!");
}
static void EmitGlobalConstantUnion(const ConstantUnion *CU,
unsigned AddrSpace, AsmPrinter &AP) {
const TargetData *TD = AP.TM.getTargetData();
unsigned Size = TD->getTypeAllocSize(CU->getType());
const Constant *Contents = CU->getOperand(0);
unsigned FilledSize = TD->getTypeAllocSize(Contents->getType());
// Print the actually filled part
AP.EmitGlobalConstant(Contents, AddrSpace);
// And pad with enough zeroes
AP.OutStreamer.EmitZeros(Size-FilledSize, AddrSpace);
}
static void EmitGlobalConstantFP(const ConstantFP *CFP, unsigned AddrSpace,
AsmPrinter &AP) {
// FP Constants are printed as integer constants to avoid losing
@ -1272,6 +1257,9 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV))
return EmitGlobalConstantFP(CFP, AddrSpace, *this);
if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
return EmitGlobalConstantVector(V, AddrSpace, *this);
if (isa<ConstantPointerNull>(CV)) {
unsigned Size = TM.getTargetData()->getTypeAllocSize(CV->getType());
@ -1279,12 +1267,6 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, unsigned AddrSpace) {
return;
}
if (const ConstantUnion *CVU = dyn_cast<ConstantUnion>(CV))
return EmitGlobalConstantUnion(CVU, AddrSpace, *this);
if (const ConstantVector *V = dyn_cast<ConstantVector>(CV))
return EmitGlobalConstantVector(V, AddrSpace, *this);
// Otherwise, it must be a ConstantExpr. Lower it to an MCExpr, then emit it
// thread the streamer with EmitValue.
OutStreamer.EmitValue(LowerConstant(CV, *this),

5
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -2592,11 +2592,6 @@ void SelectionDAGBuilder::visitGetElementPtr(User &I) {
}
Ty = StTy->getElementType(Field);
} else if (const UnionType *UnTy = dyn_cast<UnionType>(Ty)) {
unsigned Field = cast<ConstantInt>(Idx)->getZExtValue();
// Offset canonically 0 for unions, but type changes
Ty = UnTy->getElementType(Field);
} else {
Ty = cast<SequentialType>(Ty)->getElementType();

25
lib/Target/TargetData.cpp
View File

@ -460,15 +460,6 @@ uint64_t TargetData::getTypeSizeInBits(const Type *Ty) const {
case Type::StructTyID:
// Get the layout annotation... which is lazily created on demand.
return getStructLayout(cast<StructType>(Ty))->getSizeInBits();
case Type::UnionTyID: {
const UnionType *UnTy = cast<UnionType>(Ty);
uint64_t Size = 0;
for (UnionType::element_iterator i = UnTy->element_begin(),
e = UnTy->element_end(); i != e; ++i) {
Size = std::max(Size, getTypeSizeInBits(*i));
}
return Size;
}
case Type::IntegerTyID:
return cast<IntegerType>(Ty)->getBitWidth();
case Type::VoidTyID:
@ -525,17 +516,6 @@ unsigned char TargetData::getAlignment(const Type *Ty, bool abi_or_pref) const {
unsigned Align = getAlignmentInfo(AGGREGATE_ALIGN, 0, abi_or_pref, Ty);
return std::max(Align, (unsigned)Layout->getAlignment());
}
case Type::UnionTyID: {
const UnionType *UnTy = cast<UnionType>(Ty);
unsigned Align = 1;
// Unions need the maximum alignment of all their entries
for (UnionType::element_iterator i = UnTy->element_begin(),
e = UnTy->element_end(); i != e; ++i) {
Align = std::max(Align, (unsigned)getAlignment(*i, abi_or_pref));
}
return Align;
}
case Type::IntegerTyID:
case Type::VoidTyID:
AlignType = INTEGER_ALIGN;
@ -620,11 +600,6 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy, Value* const* Indices,
// Update Ty to refer to current element
Ty = STy->getElementType(FieldNo);
} else if (const UnionType *UnTy = dyn_cast<UnionType>(*TI)) {
unsigned FieldNo = cast<ConstantInt>(Indices[CurIDX])->getZExtValue();
// Offset into union is canonically 0, but type changes
Ty = UnTy->getElementType(FieldNo);
} else {
// Update Ty to refer to current element
Ty = cast<SequentialType>(Ty)->getElementType();