| // RUN: %clang_cc1 -emit-llvm -triple x86_64 %s -o - | FileCheck %s |
| |
| /// Set !retain regardless of the target. The backend will lower !retain to |
| /// SHF_GNU_RETAIN on ELF and ignore the metadata for other binary formats. |
| // CHECK: @c0 ={{.*}} constant i32 {{.*}} |
| // CHECK: @foo.l0 = internal global i32 {{.*}} |
| // CHECK: @g0 ={{.*}} global i32 {{.*}} |
| // CHECK-NEXT: @g1 ={{.*}} global i32 {{.*}} |
| // CHECK-NEXT: @g3 = internal global i32 {{.*}} |
| // CHECK-NEXT: @g4 = internal global i32 0, section ".data.g"{{.*}} |
| |
| // CHECK: @llvm.used = appending global [8 x i8*] [i8* bitcast (i32* @c0 to i8*), i8* bitcast (i32* @foo.l0 to i8*), i8* bitcast (void ()* @f0 to i8*), i8* bitcast (void ()* @f2 to i8*), i8* bitcast (i32* @g0 to i8*), i8* bitcast (i32* @g1 to i8*), i8* bitcast (i32* @g3 to i8*), i8* bitcast (i32* @g4 to i8*)], section "llvm.metadata" |
| // CHECK: @llvm.compiler.used = appending global [3 x i8*] [i8* bitcast (void ()* @f2 to i8*), i8* bitcast (i32* @g3 to i8*), i8* bitcast (i32* @g4 to i8*)], section "llvm.metadata" |
| |
| const int c0 __attribute__((retain)) = 42; |
| |
| void foo() { |
| static int l0 __attribute__((retain)) = 2; |
| } |
| |
| __attribute__((retain)) int g0; |
| int g1 __attribute__((retain)); |
| __attribute__((retain)) static int g2; |
| __attribute__((used, retain)) static int g3; |
| __attribute__((used, retain, section(".data.g"))) static int g4; |
| |
| void __attribute__((retain)) f0(void) {} |
| static void __attribute__((retain)) f1(void) {} |
| static void __attribute__((used, retain)) f2(void) {} |
