https://bugs.llvm.org/show_bug.cgi?id=50596
Bug ID: 50596
Summary: TGParser::ParseForeachDeclaration - dead code
Product: tools
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: TableGen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
TGParser::ParseForeachDeclaration breaks early if TI is non-null, but we have
(dead) code later that uses it as part of an error message.
@arsenm - this looks like it was introduced in rGb79a25b12437
default: {
SMLoc ValueLoc = Lex.getLoc();
Init *I = ParseValue(nullptr);
if (!I)
return nullptr;
TypedInit *TI = dyn_cast<TypedInit>(I);
if (TI && isa<ListRecTy>(TI->getType())) {
ForeachListValue = I;
IterType = cast<ListRecTy>(TI->getType())->getElementType();
break;
}
if (TI) {
if (ParseRangePiece(Ranges, TI))
return nullptr;
break;
}
std::string Type;
if (TI)
Type = (Twine("' of type '") + TI->getType()->getAsString()).str();
Error(ValueLoc, "expected a list, got '" + I->getAsString() + Type + "'");
if (CurMultiClass) {
PrintNote({}, "references to multiclass template arguments cannot be "
"resolved at this time");
}
return nullptr;
}
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