1; RUN: llc < %s -march=avr | FileCheck %s
2
3; sext R17:R16, R13
4; mov r16, r13
5; mov r17, r13
6; lsl r17
7; sbc r17, r17
8define i16 @sext1(i8 %x, i8 %y) {
9; CHECK-LABEL: sext1:
10; CHECK: mov r24, r22
11; CHECK: mov r25, r22
12; CHECK: lsl r25
13; CHECK: sbc r25, r25
14  %1 = sext i8 %y to i16
15  ret i16 %1
16}
17
18; sext R17:R16, R16
19; mov r17, r16
20; lsl r17
21; sbc r17, r17
22define i16 @sext2(i8 %x) {
23; CHECK-LABEL: sext2:
24; CHECK: mov r25, r24
25; CHECK: lsl r25
26; CHECK: sbc r25, r25
27  %1 = sext i8 %x to i16
28  ret i16 %1
29}
30