; RUN: llc < %s -march=ppc64 -mcpu=g5 | grep cntlzd
-define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) {
+define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) nounwind {
%tmp19 = load i64* %t
%tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19 ) ; <i64> [#uses=1]
%tmp23 = trunc i64 %tmp22 to i32