1 ; RUN: llc < %s -march=arm -mattr=+v7 | FileCheck %s
3 define i32 @f(i32 %a) nounwind readnone optsize ssp {
5 %conv = zext i32 %a to i64
6 %tmp1 = tail call i64 @llvm.ctlz.i64(i64 %conv)
9 %cast = trunc i64 %tmp1 to i32
10 %sub = sub nsw i32 63, %cast
14 declare i64 @llvm.ctlz.i64(i64) nounwind readnone