1; RUN: opt < %s -constprop -S | grep {ret i13 13} 2; PR1816 3declare i13 @llvm.cttz.i13(i13) 4 5define i13 @test() { 6 %X = call i13 @llvm.cttz.i13(i13 0) 7 ret i13 %X 8} 9