def RETURN_#vt : I<(outs), (ins vt:$val), [(WebAssemblyreturn vt:$val)],
"return $val">;
}
-let isReturn = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
+
+let isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
+let isReturn = 1 in {
defm : RETURN<I32>;
defm : RETURN<I64>;
defm : RETURN<F32>;
defm : RETURN<F64>;
def RETURN_VOID : I<(outs), (ins), [(WebAssemblyreturn)], "return">;
-} // isReturn = 1, isTerminator = 1, hasCtrlDep = 1, isBarrier = 1
+} // isReturn = 1
+ def UNREACHABLE : I<(outs), (ins), [(trap)], "unreachable">;
+} // isTerminator = 1, hasCtrlDep = 1, isBarrier = 1