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