1 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple x86_64 %s -o - | FileCheck %s 2 3 /// Set !retain regardless of the target. The backend will lower !retain to 4 /// SHF_GNU_RETAIN on ELF and ignore the metadata for other binary formats. 5 // CHECK: @c0 ={{.*}} constant i32 {{.*}} 6 // CHECK: @foo.l0 = internal global i32 {{.*}} 7 // CHECK: @g0 ={{.*}} global i32 {{.*}} 8 // CHECK-NEXT: @g1 ={{.*}} global i32 {{.*}} 9 // CHECK-NEXT: @g3 = internal global i32 {{.*}} 10 // CHECK-NEXT: @g4 = internal global i32 0, section ".data.g"{{.*}} 11 12 // 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" 13 // 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" 14 15 const int c0 __attribute__((retain)) = 42; 16 17 void foo(void) { 18 static int l0 __attribute__((retain)) = 2; 19 } 20 21 __attribute__((retain)) int g0; 22 int g1 __attribute__((retain)); 23 __attribute__((retain)) static int g2; 24 __attribute__((used, retain)) static int g3; 25 __attribute__((used, retain, section(".data.g"))) static int g4; 26 27 void __attribute__((retain)) f0(void) {} 28 static void __attribute__((retain)) f1(void) {} 29 static void __attribute__((used, retain)) f2(void) {} 30