--- /dev/null
+; Make sure this testcase does not use ctpop
+; RUN: llvm-as < %s | llc -march=alpha | grep -i 'ctpop' |wc -l |grep 0
+
+declare ulong %llvm.ctlz(ulong)
+
+implementation ; Functions:
+
+ulong %bar(ulong %x) {
+entry:
+ %tmp.1 = call ulong %llvm.ctlz( ulong %x )
+ ret ulong %tmp.1
+}