; 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-unknown-linux-gnu -fdata-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
; int G1;
@G1 = common global i32 0
; LINUX: .type G1,@object
-; LINUX: .section .gnu.linkonce.b.G1,"aw",@nobits
; LINUX: .comm G1,4,4
; DARWIN: .comm _G1,4,2
; const int G2 __attribute__((weak)) = 42;
-@G2 = weak_odr constant i32 42
+@G2 = weak_odr unnamed_addr constant i32 42
; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"
; int * const G3 = &G1;
-@G3 = constant i32* @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
+
; _Complex long long const G4 = 34;
-@G4 = constant {i64,i64} { i64 34, i64 0 }
+@G4 = unnamed_addr constant {i64,i64} { i64 34, i64 0 }
; DARWIN: .section __TEXT,__const
; DARWIN: _G4:
; DARWIN: "_foo bar":
; PR4650
-@G6 = weak_odr constant [1 x i8] c"\01"
+@G6 = weak_odr unnamed_addr constant [1 x i8] c"\01"
; LINUX: .type G6,@object
; LINUX: .section .gnu.linkonce.r.G6,"a",@progbits
; LINUX: .weak G6
; LINUX: G6:
-; LINUX: .ascii "\001"
+; LINUX: .byte 1
; LINUX: .size G6, 1
; DARWIN: .section __TEXT,__const_coal,coalesced
; DARWIN: .globl _G6
; DARWIN: .weak_definition _G6
; DARWIN:_G6:
-; DARWIN: .ascii "\001"
+; DARWIN: .byte 1
-@G7 = constant [10 x i8] c"abcdefghi\00"
+@G7 = unnamed_addr constant [10 x i8] c"abcdefghi\00"
; DARWIN: __TEXT,__cstring,cstring_literals
; DARWIN: .globl _G7
; LINUX: G7:
; LINUX: .asciz "abcdefghi"
+; LINUX-SECTIONS: .section .rodata.G7,"aMS",@progbits,1
+; LINUX-SECTIONS: .globl G7
+
-@G8 = constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]
+@G8 = unnamed_addr constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]
-; DARWIN: .section __TEXT,__ustring
+; DARWIN: .section __TEXT,__const
; DARWIN: .globl _G8
; DARWIN: _G8:
; LINUX: .globl G8
; LINUX:G8:
-@G9 = constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]
+@G9 = unnamed_addr constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]
-; DARWIN: .section __TEXT,__const
; DARWIN: .globl _G9
; DARWIN: _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