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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -relocation-model=pic -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |
@val = global i32 0
@val_with_local_linkage = internal global i32 1
declare i32 @f(i32, i32)
define internal void @f_with_local_linkage() {entry: ret void}
define void @call_global() {entry: ret void}
define void @call_global_with_local_linkage() {entry: ret void}
define void @ret_global_int() {entry: ret void}
define void @ret_global_int_with_local_linkage() {entry: ret void}
...
---
name: f_with_local_linkage
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0, $a1
; MIPS32-LABEL: name: f_with_local_linkage
; MIPS32: liveins: $a0, $a1
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
; MIPS32: [[ADDu:%[0-9]+]]:gpr32 = ADDu [[COPY1]], [[COPY]]
; MIPS32: $v0 = COPY [[ADDu]]
; MIPS32: RetRA implicit $v0
%0:gprb(s32) = COPY $a0
%1:gprb(s32) = COPY $a1
%2:gprb(s32) = G_ADD %1, %0
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: call_global
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0, $a1, $t9, $v0
; MIPS32-LABEL: name: call_global
; MIPS32: liveins: $a0, $a1, $t9, $v0, $t9, $v0
; MIPS32: [[ADDu:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[ADDu1:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
; MIPS32: ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDu]], target-flags(mips-got-call) @f :: (load (s32) from got)
; MIPS32: $a0 = COPY [[COPY]]
; MIPS32: $a1 = COPY [[COPY1]]
; MIPS32: $gp = COPY [[ADDu1]]
; MIPS32: JALRPseudo [[LW]], csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit-def $gp, implicit-def $v0
; MIPS32: [[COPY2:%[0-9]+]]:gpr32 = COPY $v0
; MIPS32: ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
; MIPS32: $v0 = COPY [[COPY2]]
; MIPS32: RetRA implicit $v0
%4:gpr32 = ADDu $v0, $t9
%0:gprb(s32) = COPY $a0
%1:gprb(s32) = COPY $a1
ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
%3:gpr32(p0) = G_GLOBAL_VALUE target-flags(mips-got-call) @f
$a0 = COPY %0(s32)
$a1 = COPY %1(s32)
$gp = COPY %4
JALRPseudo %3(p0), csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit-def $gp, implicit-def $v0
%2:gprb(s32) = COPY $v0
ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: call_global_with_local_linkage
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
liveins: $a0, $a1, $t9, $v0
; MIPS32-LABEL: name: call_global_with_local_linkage
; MIPS32: liveins: $a0, $a1, $t9, $v0, $t9, $v0
; MIPS32: [[ADDu:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[ADDu1:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
; MIPS32: ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDu]], target-flags(mips-got) @f_with_local_linkage :: (load (s32) from got)
; MIPS32: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu [[LW]], target-flags(mips-abs-lo) @f_with_local_linkage
; MIPS32: $a0 = COPY [[COPY]]
; MIPS32: $a1 = COPY [[COPY1]]
; MIPS32: $gp = COPY [[ADDu1]]
; MIPS32: JALRPseudo [[ADDiu]], csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit-def $gp, implicit-def $v0
; MIPS32: [[COPY2:%[0-9]+]]:gpr32 = COPY $v0
; MIPS32: ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
; MIPS32: $v0 = COPY [[COPY2]]
; MIPS32: RetRA implicit $v0
%4:gpr32 = ADDu $v0, $t9
%0:gprb(s32) = COPY $a0
%1:gprb(s32) = COPY $a1
ADJCALLSTACKDOWN 16, 0, implicit-def $sp, implicit $sp
%3:gpr32(p0) = G_GLOBAL_VALUE @f_with_local_linkage
$a0 = COPY %0(s32)
$a1 = COPY %1(s32)
$gp = COPY %4
JALRPseudo %3(p0), csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit-def $gp, implicit-def $v0
%2:gprb(s32) = COPY $v0
ADJCALLSTACKUP 16, 0, implicit-def $sp, implicit $sp
$v0 = COPY %2(s32)
RetRA implicit $v0
...
---
name: ret_global_int
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
; MIPS32-LABEL: name: ret_global_int
; MIPS32: liveins: $t9, $v0
; MIPS32: [[ADDu:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDu]], target-flags(mips-got) @val :: (load (s32) from got)
; MIPS32: [[LW1:%[0-9]+]]:gpr32 = LW [[LW]], 0 :: (load (s32) from @val)
; MIPS32: $v0 = COPY [[LW1]]
; MIPS32: RetRA implicit $v0
%1:gprb(p0) = G_GLOBAL_VALUE @val
%0:gprb(s32) = G_LOAD %1(p0) :: (load (s32) from @val)
$v0 = COPY %0(s32)
RetRA implicit $v0
...
---
name: ret_global_int_with_local_linkage
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.1.entry:
; MIPS32-LABEL: name: ret_global_int_with_local_linkage
; MIPS32: liveins: $t9, $v0
; MIPS32: [[ADDu:%[0-9]+]]:gpr32 = ADDu $v0, $t9
; MIPS32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDu]], target-flags(mips-got) @val_with_local_linkage :: (load (s32) from got)
; MIPS32: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu [[LW]], target-flags(mips-abs-lo) @val_with_local_linkage
; MIPS32: [[LW1:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load (s32) from @val_with_local_linkage)
; MIPS32: $v0 = COPY [[LW1]]
; MIPS32: RetRA implicit $v0
%1:gprb(p0) = G_GLOBAL_VALUE @val_with_local_linkage
%0:gprb(s32) = G_LOAD %1(p0) :: (load (s32) from @val_with_local_linkage)
$v0 = COPY %0(s32)
RetRA implicit $v0
...
|
