blob: 3f27187d44a89b0f2757f73cf994d9a81d647f5e [file] [log] [blame]
Shih-wei Liaoe264f622010-02-10 11:10:31 -08001; RUN: llc < %s -march=x86 | grep bsr | count 2
2; RUN: llc < %s -march=x86 | grep bsf
3; RUN: llc < %s -march=x86 | grep cmov | count 3
4
5define i32 @t1(i32 %x) nounwind {
6 %tmp = tail call i32 @llvm.ctlz.i32( i32 %x )
7 ret i32 %tmp
8}
9
10declare i32 @llvm.ctlz.i32(i32) nounwind readnone
11
12define i32 @t2(i32 %x) nounwind {
13 %tmp = tail call i32 @llvm.cttz.i32( i32 %x )
14 ret i32 %tmp
15}
16
17declare i32 @llvm.cttz.i32(i32) nounwind readnone
18
19define i16 @t3(i16 %x, i16 %y) nounwind {
20entry:
21 %tmp1 = add i16 %x, %y
22 %tmp2 = tail call i16 @llvm.ctlz.i16( i16 %tmp1 ) ; <i16> [#uses=1]
23 ret i16 %tmp2
24}
25
26declare i16 @llvm.ctlz.i16(i16) nounwind readnone