1; RUN: llc < %s -march=thumb -mattr=+thumb2,+v7 | FileCheck %s 2 3define i32 @f1(i32 %a) { 4; CHECK: f1: 5; CHECK: clz r 6 %tmp = tail call i32 @llvm.ctlz.i32(i32 %a) 7 ret i32 %tmp 8} 9 10declare i32 @llvm.ctlz.i32(i32) nounwind readnone 11