File: availability-cf-link-guard.m

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (44 lines) | stat: -rw-r--r-- 1,831 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - %s | FileCheck --check-prefixes=CHECK,CHECK_LINK_OPT %s
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11 -emit-llvm -o - -D USE_BUILTIN %s | FileCheck --check-prefixes=CHECK,CHECK_LINK_OPT %s
// 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
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.12 -emit-llvm -o - %s | FileCheck --check-prefix=CHECK_NO_GUARD %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux -emit-llvm -o - %s | FileCheck --check-prefix=CHECK_NO_GUARD %s

#ifdef DEF_CF
struct CFBundle;
typedef struct CFBundle *CFBundleRef;
unsigned CFBundleGetVersionNumber(CFBundleRef bundle);
// CHECK_CF: declare i32 @CFBundleGetVersionNumber(%struct.CFBundle*)
// CHECK_CF: @__clang_at_available_requires_core_foundation_framework
// CHECK_CF-NEXT: call {{.*}}@CFBundleGetVersionNumber
#endif

void use_at_available() {
#ifdef DEF_CF
  CFBundleGetVersionNumber(0);
#endif
#ifdef USE_BUILTIN
  if (__builtin_available(macos 10.12, *))
    ;
#else
  if (@available(macos 10.12, *))
    ;
#endif
}

// CHECK: @llvm.compiler.used{{.*}}@__clang_at_available_requires_core_foundation_framework

// CHECK: declare i32 @CFBundleGetVersionNumber(i8*)

// CHECK-LABEL: linkonce hidden void @__clang_at_available_requires_core_foundation_framework
// CHECK: call i32 @CFBundleGetVersionNumber(i8* null)
// CHECK-NEXT: unreachable

// CHECK_NO_GUARD-NOT: __clang_at_available_requires_core_foundation_framework
// CHECK_NO_GUARD-NOT: CFBundleGetVersionNumber

// CHECK_LINK_OPT: !llvm.linker.options = !{![[FRAMEWORK:[0-9]+]]
// CHECK_LINK_OPT: ![[FRAMEWORK]] = !{!"-framework", !"CoreFoundation"}

// CHECK_NO_GUARD-NOT: !llvm.linker.options
// CHECK_NO_GUARD-NOT: CoreFoundation