| 1 | // RUN: %clang_cc1 -x c -emit-llvm -triple arm-none-eabi -o - %s | FileCheck %s |
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| 2 | |
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| 3 | // Test that section attributes are attached to C tentative definitions as per |
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| 4 | // '#pragma clang section' directives. |
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| 5 | |
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| 6 | #pragma clang section bss = ".bss.1" |
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| 7 | int x; // bss.1 |
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| 8 | |
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| 9 | #pragma clang section bss = "" |
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| 10 | int x; // stays in .bss.1 |
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| 11 | int y; // not assigned a section attribute |
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| 12 | int z; // not assigned a section attribute |
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| 13 | |
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| 14 | #pragma clang section bss = ".bss.2" |
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| 15 | int x; // stays in .bss.1 |
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| 16 | int y; // .bss.2 |
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| 17 | |
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| 18 | // Test the same for `const` declarations. |
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| 19 | #pragma clang section rodata = ".rodata.1" |
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| 20 | const int cx; // rodata.1 |
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| 21 | |
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| 22 | #pragma clang section rodata = "" |
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| 23 | const int cx; // stays in .rodata.1 |
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| 24 | const int cy; // not assigned a section attribute |
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| 25 | const int cz; // not assigned a rodata section attribute |
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| 26 | |
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| 27 | #pragma clang section rodata = ".rodata.2" |
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| 28 | const int cx; // stays in .rodata.1 |
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| 29 | const int cy; // .rodata.2 |
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| 30 | |
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| 31 | // CHECK: @x = global i32 0, align 4 #0 |
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| 32 | // CHECK: @y = global i32 0, align 4 #1 |
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| 33 | // CHECK: @z = common global i32 0, align 4 |
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| 34 | // CHECK: @cx = constant i32 0, align 4 #2 |
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| 35 | // CHECK: @cy = constant i32 0, align 4 #3 |
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| 36 | // CHECK: @cz = constant i32 0, align 4 #1 |
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| 37 | |
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| 38 | // CHECK: attributes #0 = { "bss-section"=".bss.1" } |
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| 39 | // CHECK: attributes #1 = { "bss-section"=".bss.2" } |
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| 40 | // CHECK: attributes #2 = { "bss-section"=".bss.2" "rodata-section"=".rodata.1" } |
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| 41 | // CHECK: attributes #3 = { "bss-section"=".bss.2" "rodata-section"=".rodata.2" } |
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| 42 | |
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