std::pair<StringRef, StringRef> Split = Str.split(Separator);
if (Split.second.empty() && Split.first != Str)
report_fatal_error("Trailing separator in datalayout string");
+ if (!Split.second.empty() && Split.first.empty())
+ report_fatal_error("Expected token before separator in datalayout string");
return Split;
}
"Sized aggregate specification in datalayout string");
// ABI alignment.
+ if (Rest.empty())
+ report_fatal_error(
+ "Missing alignment specification in datalayout string");
Split = split(Rest, ':');
unsigned ABIAlign = inBytes(getInt(Tok));
break;
}
case 'm':
- assert(Tok.empty());
- assert(Rest.size() == 1);
+ if (!Tok.empty())
+ report_fatal_error("Unexpected trailing characters after mangling specifier in datalayout string");
+ if (Rest.empty())
+ report_fatal_error("Expected mangling specifier in datalayout string");
+ if (Rest.size() > 1)
+ report_fatal_error("Unknown mangling specifier in datalayout string");
switch(Rest[0]) {
default:
report_fatal_error("Unknown mangling in datalayout string");
--- /dev/null
+; RUN: not llvm-as < %s 2>&1 | FileCheck %s
+target datalayout = "m."
+; CHECK: Unexpected trailing characters after mangling specifier in datalayout string