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remove unions from LLVM IR. They are severely buggy and not

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being actively maintained, improved, or extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-08-28 04:09:24 +00:00
parent 5f88af5376
commit 61c70e98ac
33 changed files with 35 additions and 822 deletions
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14
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -297,8 +297,6 @@ 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 {
@@ -591,13 +589,6 @@ bool BitcodeReader::ParseTypeTable() {
ResultTy = StructType::get(Context, EltTys, Record[0]);
break;
}
case bitc::TYPE_CODE_UNION: { // UNION: [eltty x N]
SmallVector<const Type*, 8> EltTys;
for (unsigned i = 0, e = Record.size(); i != e; ++i)
EltTys.push_back(getTypeByID(Record[i], true));
ResultTy = UnionType::get(&EltTys[0], EltTys.size());
break;
}
case bitc::TYPE_CODE_ARRAY: // ARRAY: [numelts, eltty]
if (Record.size() < 2)
return Error("Invalid ARRAY type record");
@@ -1014,11 +1005,6 @@ 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)