/// ::= 'null' | TypeAndValue
bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts,
PerFunctionState *PFS) {
+ // Check for an empty list.
+ if (Lex.getKind() == lltok::rbrace)
+ return false;
+
do {
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
IsFunctionLocal = true;
// fall-through
case bitc::METADATA_NODE: {
- if (Record.empty() || Record.size() % 2 == 1)
+ if (Record.size() % 2 == 1)
return Error("Invalid METADATA_NODE record");
unsigned Size = Record.size();
else
Elts.push_back(NULL);
}
- Value *V = MDNode::getWhenValsUnresolved(Context, &Elts[0], Elts.size(),
+ Value *V = MDNode::getWhenValsUnresolved(Context,
+ Elts.data(), Elts.size(),
IsFunctionLocal);
IsFunctionLocal = false;
MDValueList.AssignValue(V, NextMDValueNo++);
/// getOperandPtr - Helper function to get the MDNodeOperand's coallocated on
/// the end of the MDNode.
static MDNodeOperand *getOperandPtr(MDNode *N, unsigned Op) {
- assert(Op < N->getNumOperands() && "Invalid operand number");
+ // Use <= instead of < to permit a one-past-the-end address.
+ assert(Op <= N->getNumOperands() && "Invalid operand number");
return reinterpret_cast<MDNodeOperand*>(N+1)+Op;
}
!named = !{!0}
!0 = metadata !{i8** null}
-!1 = metadata !{i8* null}
+!1 = metadata !{i8* null, metadata !2}
+!2 = metadata !{}