; RUN: llc < %s -march=arm -mattr=+v6t2 | FileCheck %s declare i32 @llvm.cttz.i32(i32) define i32 @f1(i32 %a) { ; CHECK: f1: ; CHECK: rbit ; CHECK: clz %tmp = call i32 @llvm.cttz.i32( i32 %a ) ret i32 %tmp }