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InsertValue and ExtractValue constant expressions are always

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folded. Remove code that handled the case where they aren't
folded, and remove bitcode reader/writer support for them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53887 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-07-21 23:30:30 +00:00
parent 6e7775f732
commit e089160d10
4 changed files with 7 additions and 104 deletions
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41
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -770,47 +770,6 @@ bool BitcodeReader::ParseConstants() {
V = ConstantExpr::getGetElementPtr(Elts[0], &Elts[1], Elts.size()-1);
break;
}
case bitc::CST_CODE_CE_EXTRACTVAL: {
// CE_EXTRACTVAL: [opty, opval, n x indices]
const Type *AggTy = getTypeByID(Record[0]);
if (!AggTy || !AggTy->isAggregateType())
return Error("Invalid CE_EXTRACTVAL record");
Constant *Agg = ValueList.getConstantFwdRef(Record[1], AggTy);
SmallVector<unsigned, 4> Indices;
for (unsigned i = 2, e = Record.size(); i != e; ++i) {
uint64_t Index = Record[i];
if ((unsigned)Index != Index)
return Error("Invalid CE_EXTRACTVAL record");
Indices.push_back((unsigned)Index);
}
if (!ExtractValueInst::getIndexedType(AggTy,
Indices.begin(), Indices.end()))
return Error("Invalid CE_EXTRACTVAL record");
V = ConstantExpr::getExtractValue(Agg, &Indices[0], Indices.size());
break;
}
case bitc::CST_CODE_CE_INSERTVAL: {
// CE_INSERTVAL: [opty, opval, opty, opval, n x indices]
const Type *AggTy = getTypeByID(Record[0]);
if (!AggTy || !AggTy->isAggregateType())
return Error("Invalid CE_INSERTVAL record");
Constant *Agg = ValueList.getConstantFwdRef(Record[1], AggTy);
const Type *ValTy = getTypeByID(Record[2]);
Constant *Val = ValueList.getConstantFwdRef(Record[3], ValTy);
SmallVector<unsigned, 4> Indices;
for (unsigned i = 4, e = Record.size(); i != e; ++i) {
uint64_t Index = Record[i];
if ((unsigned)Index != Index)
return Error("Invalid CE_INSERTVAL record");
Indices.push_back((unsigned)Index);
}
if (ExtractValueInst::getIndexedType(AggTy,
Indices.begin(),
Indices.end()) != ValTy)
return Error("Invalid CE_INSERTVAL record");
V = ConstantExpr::getInsertValue(Agg, Val, &Indices[0], Indices.size());
break;
}
case bitc::CST_CODE_CE_SELECT: // CE_SELECT: [opval#, opval#, opval#]
if (Record.size() < 3) return Error("Invalid CE_SELECT record");
V = ConstantExpr::getSelect(ValueList.getConstantFwdRef(Record[0],