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