1 // RUN: %clang_cc1 -emit-llvm -o - -triple i386-linux-gnu %s | FileCheck %s
2 
3 // This checks that the global won't be marked as common.
4 // (It shouldn't because it's being initialized).
5 
6 int a;
7 int a = 242;
8 // CHECK: @a = global i32 242
9 
10 // This should get normal weak linkage.
11 int c __attribute__((weak))= 0;
12 // CHECK: @c = weak global i32 0
13 
14 
15 // Since this is marked const, it should get weak_odr linkage, since all
16 // definitions have to be the same.
17 // CHECK: @d = weak_odr constant i32 0
18 const int d __attribute__((weak))= 0;
19 
20 // PR6168 "too many undefs"
21 struct ManyFields {
22   int a;
23   int b;
24   int c;
25   char d;
26   int e;
27   int f;
28 };
29 
30 // CHECK: global %struct.ManyFields { i32 1, i32 2, i32 0, i8 0, i32 0, i32 0 }
31 struct ManyFields FewInits = {1, 2};
32 
33 
34 // PR6766
35 // CHECK: @l = global %struct.K { [6 x i32] [i32 102, i32 111, i32 111, i32 0, i32 0, i32 0], i32 1 }
36 typedef __WCHAR_TYPE__ wchar_t;
37 struct K {
38   wchar_t L[6];
39   int M;
40 } l =  { { L"foo" }, 1 };
41 
42 
43 // CHECK: @yuv_types = global [4 x [6 x i8]] {{\[}}[6 x i8] c"4:0:0\00", [6 x i8] c"4:2:0\00", [6 x i8] c"4:2:2\00", [6 x i8] c"4:4:4\00"]
44 char yuv_types[4][6]= {"4:0:0","4:2:0","4:2:2","4:4:4"};
45 
46 
47 // NOTE: tentative definitions are processed at the end of the translation unit.
48 
49 // This shouldn't be emitted as common because it has an explicit section.
50 // rdar://7119244
51 // CHECK: @b = global i32 0, section "foo"
52 int b __attribute__((section("foo")));
53