xref: /llvm-project/llvm/test/CodeGen/AArch64/callee-save.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb) 
1; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
2
3@var = global float 0.0
4
5define void @foo() {
6; CHECK-LABEL: foo:
7
8; CHECK: stp d15, d14, [sp
9; CHECK: stp d13, d12, [sp
10; CHECK: stp d11, d10, [sp
11; CHECK: stp d9, d8, [sp
12
13  ; Create lots of live variables to exhaust the supply of
14  ; caller-saved registers
15  %val1 = load volatile float, ptr @var
16  %val2 = load volatile float, ptr @var
17  %val3 = load volatile float, ptr @var
18  %val4 = load volatile float, ptr @var
19  %val5 = load volatile float, ptr @var
20  %val6 = load volatile float, ptr @var
21  %val7 = load volatile float, ptr @var
22  %val8 = load volatile float, ptr @var
23  %val9 = load volatile float, ptr @var
24  %val10 = load volatile float, ptr @var
25  %val11 = load volatile float, ptr @var
26  %val12 = load volatile float, ptr @var
27  %val13 = load volatile float, ptr @var
28  %val14 = load volatile float, ptr @var
29  %val15 = load volatile float, ptr @var
30  %val16 = load volatile float, ptr @var
31  %val17 = load volatile float, ptr @var
32  %val18 = load volatile float, ptr @var
33  %val19 = load volatile float, ptr @var
34  %val20 = load volatile float, ptr @var
35  %val21 = load volatile float, ptr @var
36  %val22 = load volatile float, ptr @var
37  %val23 = load volatile float, ptr @var
38  %val24 = load volatile float, ptr @var
39  %val25 = load volatile float, ptr @var
40  %val26 = load volatile float, ptr @var
41  %val27 = load volatile float, ptr @var
42  %val28 = load volatile float, ptr @var
43  %val29 = load volatile float, ptr @var
44  %val30 = load volatile float, ptr @var
45  %val31 = load volatile float, ptr @var
46  %val32 = load volatile float, ptr @var
47
48  store volatile float %val1, ptr @var
49  store volatile float %val2, ptr @var
50  store volatile float %val3, ptr @var
51  store volatile float %val4, ptr @var
52  store volatile float %val5, ptr @var
53  store volatile float %val6, ptr @var
54  store volatile float %val7, ptr @var
55  store volatile float %val8, ptr @var
56  store volatile float %val9, ptr @var
57  store volatile float %val10, ptr @var
58  store volatile float %val11, ptr @var
59  store volatile float %val12, ptr @var
60  store volatile float %val13, ptr @var
61  store volatile float %val14, ptr @var
62  store volatile float %val15, ptr @var
63  store volatile float %val16, ptr @var
64  store volatile float %val17, ptr @var
65  store volatile float %val18, ptr @var
66  store volatile float %val19, ptr @var
67  store volatile float %val20, ptr @var
68  store volatile float %val21, ptr @var
69  store volatile float %val22, ptr @var
70  store volatile float %val23, ptr @var
71  store volatile float %val24, ptr @var
72  store volatile float %val25, ptr @var
73  store volatile float %val26, ptr @var
74  store volatile float %val27, ptr @var
75  store volatile float %val28, ptr @var
76  store volatile float %val29, ptr @var
77  store volatile float %val30, ptr @var
78  store volatile float %val31, ptr @var
79  store volatile float %val32, ptr @var
80
81; CHECK: ldp     d9, d8, [sp
82; CHECK: ldp     d11, d10, [sp
83; CHECK: ldp     d13, d12, [sp
84; CHECK: ldp     d15, d14, [sp
85  ret void
86}
87