llvm-project/clang/test/CodeGenCXX/clang-sections-1.cpp

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// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=LLVM
// RUN: %clang_cc1 -triple x86_64-linux -S -o - %s | FileCheck %s --check-prefix=ASM
// Actually, any ELF target would do
// REQUIRES: x86_64-linux
#pragma clang section bss = "B$$" data = "d@t@" rodata = "r0d@t@"
const int a = 1;
const int *f() { return &a; }
int init();
const int b = init();
int c = 2;
int d = init();
int e;
// LLVM: @_ZL1a = internal constant i32 1, align 4 #[[#A:]]
// LLVM: @_ZL1b = internal global i32 0, align 4 #[[#A]]
// LLVM: @c = {{.*}}global i32 2, align 4 #[[#A]]
// LLVM: @d = {{.*}}global i32 0, align 4 #[[#A]]
// LLVM: @e = {{.*}}global i32 0, align 4 #[[#A]]
// LLVM: attributes #[[#A]] = { "bss-section"="B$$" "data-section"="d@t@" "rodata-section"="r0d@t@" }
// ASM: .section "r0d@t@","a",@progbits
// ASM-NOT: .section
// ASM-LABEL: _ZL1a:
// ASM-NEXT: .long 1
// ASM: .section "B$$","aw",@nobits
// ASM-NOT: .section
// ASM-LABEL: _ZL1b:
// ASM-NEXT: .long 0
// ASM: .section "d@t@","aw",@progbits
// ASM-NOT: .section
// ASM-LABEL: c:
// ASM: .long 2
// ASM: .section "B$$","aw",@nobits
// ASM-NOT: .section
// ASM-LABEL: d:
// ASM: .long 0
// ASM-NOT: .section
// ASM-LABEL: e:
// ASM .long 0