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
|
# RUN: llc -O0 -mtriple arm-linux -relocation-model=ropi -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-MOVT,ROPI-MOVT
# RUN: llc -O0 -mtriple arm-linux -relocation-model=ropi -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RW-DEFAULT-NOMOVT,ROPI-NOMOVT
# RUN: llc -O0 -mtriple arm-linux -relocation-model=rwpi -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RWPI-MOVT,RWPI,RO-DEFAULT-MOVT
# RUN: llc -O0 -mtriple arm-linux -relocation-model=rwpi -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RWPI-NOMOVT,RWPI,RO-DEFAULT-NOMOVT
# RUN: llc -O0 -mtriple arm-linux -relocation-model=ropi-rwpi -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RWPI-MOVT,RWPI,ROPI-MOVT
# RUN: llc -O0 -mtriple arm-linux -relocation-model=ropi-rwpi -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,RWPI-NOMOVT,RWPI,ROPI-NOMOVT
--- |
@internal_global = internal global i32 42
define void @test_internal_global() { ret void }
@external_global = external global i32
define void @test_external_global() { ret void }
@internal_constant = internal constant i32 42
define void @test_internal_constant() { ret void }
@external_constant = external constant i32
define void @test_external_constant() { ret void }
...
---
name: test_internal_global
# CHECK-LABEL: name: test_internal_global
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# RW-DEFAULT-NOMOVT: constants:
# RW-DEFAULT-NOMOVT: id: 0
# RW-DEFAULT-NOMOVT: value: 'ptr @internal_global'
# RWPI-NOMOVT: constants:
# RWPI-NOMOVT: id: 0
# RWPI-NOMOVT: value: 'internal_global(SBREL)'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @internal_global
; RW-DEFAULT-MOVT: [[G:%[0-9]+]]:gpr = MOVi32imm @internal_global
; RW-DEFAULT-NOMOVT: [[G:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
; RWPI-MOVT: [[OFF:%[0-9]+]]:gpr = MOVi32imm target-flags(arm-sbrel) @internal_global
; RWPI-NOMOVT: [[OFF:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
; RWPI: [[G:%[0-9]+]]:gpr = ADDrr $r9, [[OFF]], 14 /* CC::al */, $noreg, $noreg
%1(s32) = G_LOAD %0(p0) :: (load (s32) from @internal_global)
; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load (s32) from @internal_global)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
...
---
name: test_external_global
# CHECK-LABEL: name: test_external_global
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# RW-DEFAULT-NOMOVT: constants:
# RW-DEFAULT-NOMOVT: id: 0
# RW-DEFAULT-NOMOVT: value: 'ptr @external_global'
# RWPI-NOMOVT: constants:
# RWPI-NOMOVT: id: 0
# RWPI-NOMOVT: value: 'external_global(SBREL)'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @external_global
; RW-DEFAULT-MOVT: [[G:%[0-9]+]]:gpr = MOVi32imm @external_global
; RW-DEFAULT-NOMOVT: [[G:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
; RWPI-MOVT: [[OFF:%[0-9]+]]:gpr = MOVi32imm target-flags(arm-sbrel) @external_global
; RWPI-NOMOVT: [[OFF:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
; RWPI: [[G:%[0-9]+]]:gpr = ADDrr $r9, [[OFF]], 14 /* CC::al */, $noreg, $noreg
%1(s32) = G_LOAD %0(p0) :: (load (s32) from @external_global)
; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load (s32) from @external_global)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
...
---
name: test_internal_constant
# CHECK-LABEL: name: test_internal_constant
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# RO-DEFAULT-NOMOVT: constants:
# RO-DEFAULT-NOMOVT: id: 0
# RO-DEFAULT-NOMOVT: value: 'ptr @internal_constant'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @internal_constant
; ROPI-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel @internal_constant
; ROPI-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel @internal_constant
; RO-DEFAULT-MOVT: [[G:%[0-9]+]]:gpr = MOVi32imm @internal_constant
; RO-DEFAULT-NOMOVT: [[G:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
%1(s32) = G_LOAD %0(p0) :: (load (s32) from @internal_constant)
; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load (s32) from @internal_constant)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
...
---
name: test_external_constant
# CHECK-LABEL: name: test_external_constant
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
# RO-DEFAULT-NOMOVT: constants:
# RO-DEFAULT-NOMOVT: id: 0
# RO-DEFAULT-NOMOVT: value: 'ptr @external_constant'
body: |
bb.0:
%0(p0) = G_GLOBAL_VALUE @external_constant
; ROPI-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel @external_constant
; ROPI-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel @external_constant
; RO-DEFAULT-MOVT: [[G:%[0-9]+]]:gpr = MOVi32imm @external_constant
; RO-DEFAULT-NOMOVT: [[G:%[0-9]+]]:gpr = LDRi12 %const.0, 0, 14 /* CC::al */, $noreg :: (load (p0) from constant-pool)
%1(s32) = G_LOAD %0(p0) :: (load (s32) from @external_constant)
; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14 /* CC::al */, $noreg :: (load (s32) from @external_constant)
$r0 = COPY %1(s32)
; CHECK: $r0 = COPY [[V]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14 /* CC::al */, $noreg, implicit $r0
...
|
