1// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - %s | FileCheck --check-prefixes=CHECK,CHECK_LINK_OPT %s
2// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - -D USE_BUILTIN %s | FileCheck --check-prefixes=CHECK,CHECK_LINK_OPT %s
3// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - -D DEF_CF %s | FileCheck --check-prefixes=CHECK_CF,CHECK_LINK_OPT %s
4// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12 -emit-llvm -o - %s | FileCheck --check-prefix=CHECK_NO_GUARD %s
5// RUN: %clang_cc1 -triple x86_64-unknown-linux -emit-llvm -o - %s | FileCheck --check-prefix=CHECK_NO_GUARD %s
6
7#ifdef DEF_CF
8struct CFBundle;
9typedef struct CFBundle *CFBundleRef;
10unsigned CFBundleGetVersionNumber(CFBundleRef bundle);
11// CHECK_CF: declare i32 @CFBundleGetVersionNumber(%struct.CFBundle*)
12// CHECK_CF: @__clang_at_available_requires_core_foundation_framework
13// CHECK_CF-NEXT: call {{.*}}@CFBundleGetVersionNumber
14#endif
15
16void use_at_available() {
17#ifdef DEF_CF
18  CFBundleGetVersionNumber(0);
19#endif
20#ifdef USE_BUILTIN
21  if (__builtin_available(macos 10.12, *))
22    ;
23#else
24  if (@available(macos 10.12, *))
25    ;
26#endif
27}
28
29// CHECK: @llvm.compiler.used{{.*}}@__clang_at_available_requires_core_foundation_framework
30
31// CHECK: declare i32 @CFBundleGetVersionNumber(i8*)
32
33// CHECK-LABEL: linkonce hidden void @__clang_at_available_requires_core_foundation_framework
34// CHECK: call i32 @CFBundleGetVersionNumber(i8* null)
35// CHECK-NEXT: unreachable
36
37// CHECK_NO_GUARD-NOT: __clang_at_available_requires_core_foundation_framework
38// CHECK_NO_GUARD-NOT: CFBundleGetVersionNumber
39
40// CHECK_LINK_OPT: !llvm.linker.options = !{![[FRAMEWORK:[0-9]+]]
41// CHECK_LINK_OPT: ![[FRAMEWORK]] = !{!"-framework", !"CoreFoundation"}
42
43// CHECK_NO_GUARD-NOT: !llvm.linker.options
44// CHECK_NO_GUARD-NOT: CoreFoundation
45