1; RUN: llc < %s -march=avr | FileCheck %s
2
3define avr_intrcc void @interrupt_handler() {
4; CHECK-LABEL: interrupt_handler:
5; CHECK: sei
6; CHECK-NEXT: push r0
7; CHECK-NEXT: push r1
8; CHECK-NEXT: in r0, 63
9; CHECK-NEXT: push r0
10; CHECK: clr r0
11; CHECK: pop r0
12; CHECK-NEXT: out 63, r0
13; CHECK-NEXT: pop r1
14; CHECK-NEXT: pop r0
15; CHECK-NEXT: reti
16  ret void
17}
18
19define void @interrupt_handler_via_ir_attribute() #0 {
20; CHECK-LABEL: interrupt_handler_via_ir_attribute:
21; CHECK: sei
22; CHECK-NEXT: push r0
23; CHECK-NEXT: push r1
24; CHECK-NEXT: in r0, 63
25; CHECK-NEXT: push r0
26; CHECK: clr r0
27; CHECK: pop r0
28; CHECK-NEXT: out 63, r0
29; CHECK-NEXT: pop r1
30; CHECK-NEXT: pop r0
31; CHECK-NEXT: reti
32  ret void
33}
34
35define avr_signalcc void @signal_handler() {
36; CHECK-LABEL: signal_handler:
37; CHECK-NOT: sei
38; CHECK: push r0
39; CHECK-NEXT: push r1
40; CHECK-NEXT: in r0, 63
41; CHECK-NEXT: push r0
42; CHECK: clr r0
43; CHECK: pop r0
44; CHECK-NEXT: out 63, r0
45; CHECK-NEXT: pop r1
46; CHECK-NEXT: pop r0
47; CHECK-NEXT: reti
48  ret void
49}
50
51define void @signal_handler_via_attribute() #1 {
52; CHECK-LABEL: signal_handler_via_attribute:
53; CHECK-NOT: sei
54; CHECK: push r0
55; CHECK-NEXT: push r1
56; CHECK-NEXT: in r0, 63
57; CHECK-NEXT: push r0
58; CHECK: clr r0
59; CHECK: pop r0
60; CHECK-NEXT: out 63, r0
61; CHECK-NEXT: pop r1
62; CHECK-NEXT: pop r0
63; CHECK-NEXT: reti
64  ret void
65}
66
67attributes #0 = { "interrupt" }
68attributes #1 = { "signal" }
69