Inching towards fixing PR82

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-09 05:44:50 +00:00
parent 258b5375b4
commit 63a917bbc2

View File

@ -372,6 +372,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
std::vector<Value*> Indices;
Indices.push_back(ConstantSInt::get(Type::LongTy, 0));
while (CurCTy && !isa<PointerType>(CurCTy)) {
const Type *IdxType;
if (const StructType *CurSTy = dyn_cast<StructType>(CurCTy)) {
// Check for a zero element struct type... if we have one, bail.
if (CurSTy->getElementTypes().size() == 0) break;
@ -380,12 +381,14 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// offset zero in the struct.
//
ElTy = CurSTy->getElementTypes()[0];
IdxType = Type::UByteTy; // FIXME when PR82 is fixed.
} else {
ElTy = cast<ArrayType>(CurCTy)->getElementType();
IdxType = Type::LongTy; // FIXME when PR82 is fixed.
}
// Insert a zero to index through this type...
Indices.push_back(Constant::getNullValue(CurCTy->getIndexType()));
Indices.push_back(Constant::getNullValue(IdxType));
// Did we find what we're looking for?
if (ElTy->isLosslesslyConvertibleTo(DestPointedTy)) break;