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      1 ; RUN: llc < %s -mtriple=i386-unknown-linux-gnu | FileCheck %s -check-prefix=LINUX
      2 ; RUN: llc < %s -mtriple=i386-apple-darwin9.7 | FileCheck %s -check-prefix=DARWIN
      3 ; RUN: llc < %s -mtriple=i386-apple-darwin10 -relocation-model=static | FileCheck %s -check-prefix=DARWIN-STATIC
      4 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s -check-prefix=DARWIN64
      5 ; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -data-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
      6 ; RUN: llc < %s -mtriple=i686-pc-win32 -data-sections -function-sections | FileCheck %s -check-prefix=WIN32-SECTIONS
      7 
      8 define void @F1() {
      9   ret void
     10 }
     11 
     12 ; WIN32-SECTIONS: .section        .text,"xr",one_only,_F1
     13 ; WIN32-SECTIONS: .globl _F1
     14 
     15 ; int G1;
     16 @G1 = common global i32 0
     17 
     18 ; LINUX: .type   G1,@object
     19 ; LINUX: .comm  G1,4,4
     20 
     21 ; DARWIN: .comm _G1,4,2
     22 
     23 
     24 
     25 
     26 ; const int G2 __attribute__((weak)) = 42;
     27 @G2 = weak_odr unnamed_addr constant i32 42     
     28 
     29 
     30 ; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"
     31 
     32 ; DARWIN: .section __TEXT,__const_coal,coalesced
     33 ; DARWIN: _G2:
     34 ; DARWIN:    .long 42
     35 
     36 
     37 ; int * const G3 = &G1;
     38 @G3 = unnamed_addr constant i32* @G1
     39 
     40 ; DARWIN: .section        __DATA,__const
     41 ; DARWIN: .globl _G3
     42 ; DARWIN: _G3:
     43 ; DARWIN:     .long _G1
     44 
     45 ; LINUX:   .section        .rodata,"a",@progbits
     46 ; LINUX:   .globl  G3
     47 
     48 ; LINUX-SECTIONS: .section        .rodata.G3,"a",@progbits
     49 ; LINUX-SECTIONS: .globl  G3
     50 
     51 ; WIN32-SECTIONS: .section        .rdata,"rd",one_only,_G3
     52 ; WIN32-SECTIONS: .globl  _G3
     53 
     54 
     55 ; _Complex long long const G4 = 34;
     56 @G4 = unnamed_addr constant {i64,i64} { i64 34, i64 0 }
     57 
     58 ; DARWIN: .section        __TEXT,__literal16,16byte_literals
     59 ; DARWIN: _G4:
     60 ; DARWIN:     .long 34
     61 
     62 ; DARWIN-STATIC: .section        __TEXT,__literal16,16byte_literals
     63 ; DARWIN-STATIC: _G4:
     64 ; DARWIN-STATIC:     .long 34
     65 
     66 ; DARWIN64: .section        __TEXT,__literal16,16byte_literals
     67 ; DARWIN64: _G4:
     68 ; DARWIN64:     .quad 34
     69 
     70 
     71 ; int G5 = 47;
     72 @G5 = global i32 47
     73 
     74 ; LINUX: .data
     75 ; LINUX: .globl G5
     76 ; LINUX: G5:
     77 ; LINUX:    .long 47
     78 
     79 ; DARWIN: .section        __DATA,__data
     80 ; DARWIN: .globl _G5
     81 ; DARWIN: _G5:
     82 ; DARWIN:    .long 47
     83 
     84 
     85 ; PR4584
     86 @"foo bar" = linkonce global i32 42
     87 
     88 ; LINUX: .type  "foo bar",@object
     89 ; LINUX: .section ".data.foo bar","aGw",@progbits,"foo bar",comdat
     90 ; LINUX: .weak  "foo bar"
     91 ; LINUX: "foo bar":
     92 
     93 ; DARWIN: .section              __DATA,__datacoal_nt,coalesced
     94 ; DARWIN: .globl        "_foo bar"
     95 ; DARWIN:       .weak_definition "_foo bar"
     96 ; DARWIN: "_foo bar":
     97 
     98 ; PR4650
     99 @G6 = weak_odr unnamed_addr constant [1 x i8] c"\01"
    100 
    101 ; LINUX:   .type        G6,@object
    102 ; LINUX:   .section     .rodata.G6,"aG",@progbits,G6,comdat
    103 ; LINUX:   .weak        G6
    104 ; LINUX: G6:
    105 ; LINUX:   .byte        1
    106 ; LINUX:   .size        G6, 1
    107 
    108 ; DARWIN:  .section __TEXT,__const_coal,coalesced
    109 ; DARWIN:  .globl _G6
    110 ; DARWIN:  .weak_definition _G6
    111 ; DARWIN:_G6:
    112 ; DARWIN:  .byte 1
    113 
    114 
    115 @G7 = unnamed_addr constant [10 x i8] c"abcdefghi\00"
    116 
    117 ; DARWIN:       __TEXT,__cstring,cstring_literals
    118 ; DARWIN:       .globl _G7
    119 ; DARWIN: _G7:
    120 ; DARWIN:       .asciz  "abcdefghi"
    121 
    122 ; LINUX:        .section        .rodata.str1.1,"aMS",@progbits,1
    123 ; LINUX:        .globl G7
    124 ; LINUX: G7:
    125 ; LINUX:        .asciz  "abcdefghi"
    126 
    127 ; LINUX-SECTIONS: .section        .rodata.G7,"aMS",@progbits,1
    128 ; LINUX-SECTIONS:       .globl G7
    129 
    130 ; WIN32-SECTIONS: .section        .rdata,"rd",one_only,_G7
    131 ; WIN32-SECTIONS:       .globl _G7
    132 
    133 
    134 @G8 = unnamed_addr constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]
    135 
    136 ; DARWIN:       .section        __TEXT,__const
    137 ; DARWIN:       .globl _G8
    138 ; DARWIN: _G8:
    139 
    140 ; LINUX:        .section        .rodata.str2.2,"aMS",@progbits,2
    141 ; LINUX:        .globl G8
    142 ; LINUX:G8:
    143 
    144 @G9 = unnamed_addr constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]
    145 
    146 ; DARWIN:       .globl _G9
    147 ; DARWIN: _G9:
    148 
    149 ; LINUX:        .section        .rodata.str4.4,"aMS",@progbits,4
    150 ; LINUX:        .globl G9
    151 ; LINUX:G9
    152 
    153 
    154 @G10 = weak global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=0]
    155 
    156 
    157 ; DARWIN:       .section        __DATA,__datacoal_nt,coalesced
    158 ; DARWIN: .globl _G10
    159 ; DARWIN:       .weak_definition _G10
    160 ; DARWIN:       .align  5
    161 ; DARWIN: _G10:
    162 ; DARWIN:       .space  400
    163 
    164 ; LINUX:        .bss
    165 ; LINUX:        .weak   G10
    166 ; LINUX:        .align  32
    167 ; LINUX: G10:
    168 ; LINUX:        .zero   400
    169 
    170 
    171 
    172 ;; Zero sized objects should round up to 1 byte in zerofill directives.
    173 ; rdar://7886017
    174 @G11 = global [0 x i32] zeroinitializer
    175 @G12 = global {} zeroinitializer
    176 @G13 = global { [0 x {}] } zeroinitializer
    177 
    178 ; DARWIN: .globl _G11
    179 ; DARWIN: .zerofill __DATA,__common,_G11,1,2
    180 ; DARWIN: .globl _G12
    181 ; DARWIN: .zerofill __DATA,__common,_G12,1,3
    182 ; DARWIN: .globl _G13
    183 ; DARWIN: .zerofill __DATA,__common,_G13,1,3
    184 
    185 @G14 = private unnamed_addr constant [4 x i8] c"foo\00", align 1
    186 
    187 ; LINUX-SECTIONS:        .type   .LG14,@object           # @G14
    188 ; LINUX-SECTIONS:        .section        .rodata..LG14,"aMS",@progbits,1
    189 ; LINUX-SECTIONS: .LG14:
    190 ; LINUX-SECTIONS:        .asciz  "foo"
    191 ; LINUX-SECTIONS:        .size   .LG14, 4
    192 
    193 ; WIN32-SECTIONS:        .section        .rdata,"rd"
    194 ; WIN32-SECTIONS: L_G14:
    195 ; WIN32-SECTIONS:        .asciz  "foo"
    196 
    197