Do not throw away alignment when generating the DAG for

[oota-llvm.git] / test / CodeGen / X86 / global-sections.ll

diff --git a/test/CodeGen/X86/global-sections.ll b/test/CodeGen/X86/global-sections.ll
index 0b4ed3b360412b3974e120a64666462c77678874..6d211913b0153eae0f58dd4bfab51dc42db01954 100644 (file)
--- a/test/CodeGen/X86/global-sections.ll
+++ b/test/CodeGen/X86/global-sections.ll
@@ -1,8 +1,160 @@
-; RUN: llvm-as < %s | llc -mtriple=i386-unknown-linux-gnu | FileCheck %s -check-prefix=LINUX
+; 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 
+
+
+; 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 = 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 }
+
+; DARWIN: .section        __TEXT,__const
+; DARWIN: _G4:
+; DARWIN:     .long 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_20_bar,@object
+; LINUX:.section       .gnu.linkonce.d.foo_20_bar,"aw",@progbits
+; LINUX: .weak foo_20_bar
+; LINUX: foo_20_bar:
+
+; DARWIN: .section             __DATA,__datacoal_nt,coalesced
+; DARWIN: .globl       "_foo bar"
+; DARWIN:      .weak_definition "_foo bar"
+; DARWIN: "_foo bar":
+
+; PR4650
+@G6 = weak_odr constant [1 x i8] c"\01"
+
+; LINUX:   .type       G6,@object
+; LINUX:   .section    .gnu.linkonce.r.G6,"a",@progbits
+; 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 = 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.G7,"aMS",@progbits,1
+; LINUX-SECTIONS:      .globl G7
+
+
+@G8 = 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 = 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