| ; RUN: llvm-as < %s | llc -march=x86 | grep bsr | |
| ; RUN: llvm-as < %s | llc -march=x86 | grep bsf | |
| define i32 @t1(i32 %x) nounwind { | |
| %tmp = tail call i32 @llvm.ctlz.i32( i32 %x ) | |
| ret i32 %tmp | |
| } | |
| declare i32 @llvm.ctlz.i32(i32) nounwind readnone | |
| define i32 @t2(i32 %x) nounwind { | |
| %tmp = tail call i32 @llvm.cttz.i32( i32 %x ) | |
| ret i32 %tmp | |
| } | |
| declare i32 @llvm.cttz.i32(i32) nounwind readnone |