const MDNode *N = Idents->getOperand(i);
Assert1(N->getNumOperands() == 1,
"incorrect number of operands in llvm.ident metadata", N);
- Assert1(isa<MDString>(N->getOperand(0)),
+ Assert1(dyn_cast_or_null<MDString>(N->getOperand(0)),
("invalid value for llvm.ident metadata entry operand"
"(the operand should be a string)"),
N->getOperand(0));
--- /dev/null
+; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
+; Verify that llvm.ident is properly structured.
+; llvm.ident takes a list of metadata entries.
+; Each metadata entry can contain one string only.
+
+!llvm.ident = !{!0}
+!0 = !{null}
+; CHECK: assembly parsed, but does not verify as correct!
+; CHECK-NEXT: invalid value for llvm.ident metadata entry operand(the operand should be a string)