aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/X86/global-sections.ll
blob: c2f4b65ffefbe7966592b6e5588907def55b40c2 (plain)
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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
; RUN: llc < %s -mtriple=i386-unknown-linux-gnu | FileCheck %s -check-prefix=LINUX
; RUN: llc < %s -mtriple=i386-apple-darwin9.7 | FileCheck %s -check-prefix=DARWIN
; RUN: llc < %s -mtriple=i386-apple-darwin10 -relocation-model=static | FileCheck %s -check-prefix=DARWIN-STATIC
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=DARWIN64
; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -data-sections -function-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
; RUN: llc < %s -mtriple=x86_64-pc-linux -data-sections -function-sections -relocation-model=pic | FileCheck %s -check-prefix=LINUX-SECTIONS-PIC
; RUN: llc < %s -mtriple=i686-pc-win32 -data-sections -function-sections | FileCheck %s -check-prefix=WIN32-SECTIONS

define void @F1() {
  ret void
}

; WIN32-SECTIONS: .section        .text,"xr",one_only,_F1
; WIN32-SECTIONS: .globl _F1

define void @F2(i32 %y) {
bb0:
switch i32 %y, label %bb5 [
    i32 1, label %bb1
    i32 2, label %bb2
    i32 3, label %bb3
    i32 4, label %bb4
  ]
bb1:
  ret void
bb2:
  ret void
bb3:
  ret void
bb4:
  ret void
bb5:
  ret void
}

; LINUX:     .size   F2,
; LINUX-NEX: .cfi_endproc
; LINUX-NEX: .section        .rodata,"a",@progbits

; LINUX-SECTIONS: .section        .text.F2,"ax",@progbits
; LINUX-SECTIONS: .size   F2,
; LINUX-SECTIONS-NEXT: .cfi_endproc
; LINUX-SECTIONS-NEXT: .section        .rodata.F2,"a",@progbits

; LINUX-SECTIONS-PIC: .section        .text.F2,"ax",@progbits
; LINUX-SECTIONS-PIC: .size   F2,
; LINUX-SECTIONS-PIC-NEXT: .cfi_endproc
; LINUX-SECTIONS-PIC-NEXT: .section        .rodata.F2,"a",@progbits

declare void @G()

define void @F3(i32 %y) {
bb0:
  invoke void @G()
          to label %bb2 unwind label %bb1
bb1:
  landingpad { i8*, i32 } personality i8* bitcast (void ()* @G to i8*)
          catch i8* null
  br label %bb2
bb2:

switch i32 %y, label %bb7 [
    i32 1, label %bb3
    i32 2, label %bb4
    i32 3, label %bb5
    i32 4, label %bb6
  ]
bb3:
  ret void
bb4:
  ret void
bb5:
  ret void
bb6:
  ret void
bb7:
  ret void
}

; DARWIN64: _F3:
; DARWIN64: .cfi_endproc
; DARWIN64-NEXT: Leh_func_end
; DARWIN64-NEXT: .section        __TEXT,__gcc_except_tab
; DARWIN64-NOT: .section
; DARWIN64: .section        __TEXT,__text,regular,pure_instructions
; DARWIN64-NOT: .section
; DARWIN64: LJTI{{.*}}:

; int G1;
@G1 = common global i32 0

; LINUX: .type   G1,@object
; LINUX: .comm  G1,4,4

; DARWIN: .comm _G1,4,2




; const int G2 __attribute__((weak)) = 42;
@G2 = weak_odr unnamed_addr constant i32 42     


; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"

; DARWIN: .section __TEXT,__const_coal,coalesced
; DARWIN: _G2:
; DARWIN:    .long 42


; int * const G3 = &G1;
@G3 = unnamed_addr constant i32* @G1

; DARWIN: .section        __DATA,__const
; DARWIN: .globl _G3
; DARWIN: _G3:
; DARWIN:     .long _G1

; LINUX:   .section        .rodata,"a",@progbits
; LINUX:   .globl  G3

; LINUX-SECTIONS: .section        .rodata.G3,"a",@progbits
; LINUX-SECTIONS: .globl  G3

; WIN32-SECTIONS: .section        .rdata,"dr",one_only,_G3
; WIN32-SECTIONS: .globl  _G3


; _Complex long long const G4 = 34;
@G4 = private unnamed_addr constant {i64,i64} { i64 34, i64 0 }

; DARWIN: .section        __TEXT,__literal16,16byte_literals
; DARWIN: L_G4:
; DARWIN:     .long 34

; DARWIN-STATIC: .section        __TEXT,__literal16,16byte_literals
; DARWIN-STATIC: L_G4:
; DARWIN-STATIC:     .long 34

; DARWIN64: .section        __TEXT,__literal16,16byte_literals
; DARWIN64: L_G4:
; DARWIN64:     .quad 34

; int G5 = 47;
@G5 = global i32 47

; LINUX: .data
; LINUX: .globl G5
; LINUX: G5:
; LINUX:    .long 47

; DARWIN: .section        __DATA,__data
; DARWIN: .globl _G5
; DARWIN: _G5:
; DARWIN:    .long 47


; PR4584
@"foo bar" = linkonce global i32 42

; LINUX: .type  "foo bar",@object
; LINUX: .weak  "foo bar"
; LINUX: "foo bar":

; DARWIN: .section              __DATA,__datacoal_nt,coalesced
; DARWIN: .globl        "_foo bar"
; DARWIN:       .weak_definition "_foo bar"
; DARWIN: "_foo bar":

; PR4650
@G6 = weak_odr unnamed_addr constant [1 x i8] c"\01"

; LINUX:   .type        G6,@object
; LINUX:   .weak        G6
; LINUX: G6:
; LINUX:   .byte        1
; LINUX:   .size        G6, 1

; DARWIN:  .section __TEXT,__const_coal,coalesced
; DARWIN:  .globl _G6
; DARWIN:  .weak_definition _G6
; DARWIN:_G6:
; DARWIN:  .byte 1


@G7 = unnamed_addr constant [10 x i8] c"abcdefghi\00"

; DARWIN:       __TEXT,__cstring,cstring_literals
; DARWIN:       .globl _G7
; DARWIN: _G7:
; DARWIN:       .asciz  "abcdefghi"

; LINUX:        .section        .rodata.str1.1,"aMS",@progbits,1
; LINUX:        .globl G7
; LINUX: G7:
; LINUX:        .asciz  "abcdefghi"

; LINUX-SECTIONS: .section        .rodata.str1.1,"aMS",@progbits,1
; LINUX-SECTIONS:       .globl G7

; WIN32-SECTIONS: .section        .rdata,"dr",one_only,_G7
; WIN32-SECTIONS:       .globl _G7


@G8 = unnamed_addr constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]

; DARWIN:       .section        __TEXT,__const
; DARWIN:       .globl _G8
; DARWIN: _G8:

; LINUX:        .section        .rodata.str2.2,"aMS",@progbits,2
; LINUX:        .globl G8
; LINUX:G8:

@G9 = unnamed_addr constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]

; DARWIN:       .globl _G9
; DARWIN: _G9:

; LINUX:        .section        .rodata.str4.4,"aMS",@progbits,4
; LINUX:        .globl G9
; LINUX:G9


@G10 = weak global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=0]


; DARWIN:       .section        __DATA,__datacoal_nt,coalesced
; DARWIN: .globl _G10
; DARWIN:       .weak_definition _G10
; DARWIN:       .align  5
; DARWIN: _G10:
; DARWIN:       .space  400

; LINUX:        .bss
; LINUX:        .weak   G10
; LINUX:        .align  32
; LINUX: G10:
; LINUX:        .zero   400



;; Zero sized objects should round up to 1 byte in zerofill directives.
; rdar://7886017
@G11 = global [0 x i32] zeroinitializer
@G12 = global {} zeroinitializer
@G13 = global { [0 x {}] } zeroinitializer

; DARWIN: .globl _G11
; DARWIN: .zerofill __DATA,__common,_G11,1,2
; DARWIN: .globl _G12
; DARWIN: .zerofill __DATA,__common,_G12,1,3
; DARWIN: .globl _G13
; DARWIN: .zerofill __DATA,__common,_G13,1,3

@G14 = private unnamed_addr constant [4 x i8] c"foo\00", align 1

; LINUX-SECTIONS:        .type   .LG14,@object           # @G14
; LINUX-SECTIONS:        .section        .rodata.str1.1,"aMS",@progbits,1
; LINUX-SECTIONS: .LG14:
; LINUX-SECTIONS:        .asciz  "foo"
; LINUX-SECTIONS:        .size   .LG14, 4

; WIN32-SECTIONS:        .section        .rdata,"dr"
; WIN32-SECTIONS: L_G14:
; WIN32-SECTIONS:        .asciz  "foo"

; cannot be merged on MachO, but can on other formats.
@G15 = unnamed_addr constant i64 0

; LINUX: .section        .rodata.cst8,"aM",@progbits,8
; LINUX: G15:

; DARWIN: .section      __TEXT,__const
; DARWIN: _G15:

; DARWIN-STATIC: .section       __TEXT,__const
; DARWIN-STATIC: _G15:

; DARWIN64: .section       __TEXT,__const
; DARWIN64: _G15:

; LINUX-SECTIONS: .section      .rodata.cst8,"aM",@progbits,8
; LINUX-SECTIONS: G15:

; WIN32-SECTIONS: .section      .rdata,"dr",one_only,_G15
; WIN32-SECTIONS: _G15: