1 ; RUN: opt < %s -constprop -S | grep "ret i13 13" 2 ; PR1816 3 declare i13 @llvm.cttz.i13(i13, i1) 4 5 define i13 @test() { 6 %X = call i13 @llvm.cttz.i13(i13 0, i1 false) 7 ret i13 %X 8 } 9