xref: /llvm-project/llvm/test/CodeGen/AVR/calling-conv/c/call.ll (revision 9ef1d37ffb5f56a9b949a6307bbb16c2ea0130e3) 
1; RUN: llc < %s -mtriple=avr | FileCheck %s
2
3declare void @ret_void_args_i8(i8 %a)
4declare void @ret_void_args_i8_i32(i8 %a, i32 %b)
5declare void @ret_void_args_i8_i8_i8_i8(i8 %a, i8 %b, i8 %c, i8 %d)
6declare void @ret_void_args_i32_i16_i8(i32 %a, i16 %b, i8 %c)
7declare void @ret_void_args_i64(i64 %a)
8declare void @ret_void_args_i64_i64(i64 %a, i64 %b)
9declare void @ret_void_args_i64_i64_i16(i64 %a, i64 %b, i16 %c)
10
11; CHECK-LABEL: call_void_args_i8
12define void @call_void_args_i8() {
13    ; CHECK: ldi r24, 64
14    call void @ret_void_args_i8 (i8 64)
15    ret void
16}
17
18; CHECK-LABEL: call_void_args_i8_i32
19define void @call_void_args_i8_i32() {
20    ; CHECK: ldi r20, 4
21    ; CHECK-NEXT: ldi r21, 3
22    ; CHECK-NEXT: ldi r22, 2
23    ; CHECK-NEXT: ldi r23, 1
24    ; CHECK-NEXT: ldi r24, 64
25    call void @ret_void_args_i8_i32 (i8 64, i32 16909060)
26    ret void
27}
28
29; CHECK-LABEL: call_void_args_i8_i8_i8_i8
30define void @call_void_args_i8_i8_i8_i8() {
31    ; CHECK: ldi r24, 1
32    ; CHECK-NEXT: ldi r22, 2
33    ; CHECK-NEXT: ldi r20, 3
34    ; CHECK-NEXT: ldi r18, 4
35    call void @ret_void_args_i8_i8_i8_i8(i8 1, i8 2, i8 3, i8 4)
36    ret void
37}
38
39; CHECK-LABEL: call_void_args_i32_i16_i8
40define void @call_void_args_i32_i16_i8() {
41    ; CHECK: ldi r22, 4
42    ; CHECK-NEXT: ldi r23, 3
43    ; CHECK-NEXT: ldi r24, 2
44    ; CHECK-NEXT: ldi r25, 1
45    ; CHECK-NEXT: ldi r20, 1
46    ; CHECK-NEXT: ldi r21, 4
47    ; CHECK-NEXT: ldi r18, 64
48    call void @ret_void_args_i32_i16_i8(i32 16909060, i16 1025, i8 64)
49    ret void
50}
51
52; CHECK-LABEL: call_void_args_i64
53define void @call_void_args_i64() {
54    ; CHECK: ldi r18, 8
55    ; CHECK-NEXT: ldi r19, 7
56    ; CHECK-NEXT: ldi r20, 6
57    ; CHECK-NEXT: ldi r21, 5
58    ; CHECK-NEXT: ldi r22, 4
59    ; CHECK-NEXT: ldi r23, 3
60    ; CHECK-NEXT: ldi r24, 2
61    ; CHECK-NEXT: ldi r25, 1
62    call void @ret_void_args_i64(i64 72623859790382856)
63    ret void
64}
65
66; CHECK-LABEL: call_void_args_i64_i64
67define void @call_void_args_i64_i64() {
68    ; CHECK: ldi r18, 8
69    ; CHECK-NEXT: ldi r19, 7
70    ; CHECK-NEXT: ldi r20, 6
71    ; CHECK-NEXT: ldi r21, 5
72    ; CHECK-NEXT: ldi r22, 4
73    ; CHECK-NEXT: ldi r23, 3
74    ; CHECK-NEXT: ldi r24, 2
75    ; CHECK-NEXT: ldi r25, 1
76    ; the second arg is in r10:r17, but unordered
77    ; CHECK: r17,
78    ; CHECK: r10,
79    call void @ret_void_args_i64_i64(i64 72623859790382856, i64 651345242494996224)
80    ret void
81}
82
83; CHECK-LABEL: call_void_args_i64_i64_i16
84define void @call_void_args_i64_i64_i16() {
85    ; CHECK: r8,
86    ; CHECK: r9,
87    call void @ret_void_args_i64_i64_i16(i64 72623859790382856, i64 651345242494996224, i16 5655)
88    ret void
89}
90