1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
@var = global float 0.0
define void @foo() {
; CHECK: foo:
; CHECK: stp d14, d15, [sp
; CHECK: stp d12, d13, [sp
; CHECK: stp d10, d11, [sp
; CHECK: stp d8, d9, [sp
; Create lots of live variables to exhaust the supply of
; caller-saved registers
%val1 = load volatile float* @var
%val2 = load volatile float* @var
%val3 = load volatile float* @var
%val4 = load volatile float* @var
%val5 = load volatile float* @var
%val6 = load volatile float* @var
%val7 = load volatile float* @var
%val8 = load volatile float* @var
%val9 = load volatile float* @var
%val10 = load volatile float* @var
%val11 = load volatile float* @var
%val12 = load volatile float* @var
%val13 = load volatile float* @var
%val14 = load volatile float* @var
%val15 = load volatile float* @var
%val16 = load volatile float* @var
%val17 = load volatile float* @var
%val18 = load volatile float* @var
%val19 = load volatile float* @var
%val20 = load volatile float* @var
%val21 = load volatile float* @var
%val22 = load volatile float* @var
%val23 = load volatile float* @var
%val24 = load volatile float* @var
%val25 = load volatile float* @var
%val26 = load volatile float* @var
%val27 = load volatile float* @var
%val28 = load volatile float* @var
%val29 = load volatile float* @var
%val30 = load volatile float* @var
%val31 = load volatile float* @var
%val32 = load volatile float* @var
store volatile float %val1, float* @var
store volatile float %val2, float* @var
store volatile float %val3, float* @var
store volatile float %val4, float* @var
store volatile float %val5, float* @var
store volatile float %val6, float* @var
store volatile float %val7, float* @var
store volatile float %val8, float* @var
store volatile float %val9, float* @var
store volatile float %val10, float* @var
store volatile float %val11, float* @var
store volatile float %val12, float* @var
store volatile float %val13, float* @var
store volatile float %val14, float* @var
store volatile float %val15, float* @var
store volatile float %val16, float* @var
store volatile float %val17, float* @var
store volatile float %val18, float* @var
store volatile float %val19, float* @var
store volatile float %val20, float* @var
store volatile float %val21, float* @var
store volatile float %val22, float* @var
store volatile float %val23, float* @var
store volatile float %val24, float* @var
store volatile float %val25, float* @var
store volatile float %val26, float* @var
store volatile float %val27, float* @var
store volatile float %val28, float* @var
store volatile float %val29, float* @var
store volatile float %val30, float* @var
store volatile float %val31, float* @var
store volatile float %val32, float* @var
; CHECK: ldp d8, d9, [sp
; CHECK: ldp d10, d11, [sp
; CHECK: ldp d12, d13, [sp
; CHECK: ldp d14, d15, [sp
ret void
}
|
