1 // RUN: %clang_cc1 -triple x86_64-unknown-freebsd -emit-llvm -fno-use-init-array -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s -check-prefix=CHECK-NEW
2 // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -emit-llvm -fno-use-init-array -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s -check-prefix=CHECK-WIN
3 // RUN: %clang_cc1 -triple x86_64-unknown-freebsd -emit-llvm -fno-use-init-array -fobjc-runtime=gnustep-1.8 -o - %s | FileCheck %s -check-prefix=CHECK-OLD
4 // RUN: %clang_cc1 -triple x86_64-unknown-freebsd -emit-llvm -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s -check-prefix=CHECK-INIT_ARRAY
6 // Almost minimal Objective-C file, check that it emits calls to the correct
7 // runtime entry points.
12 // Check that we emit a class ref
13 // CHECK-NEW: @._OBJC_REF_CLASS_X
14 // CHECK-NEW-SAME: section "__objc_class_refs"
16 // Check that we get a class ref to the defined class.
17 // CHECK-NEW: @._OBJC_INIT_CLASS_X = global
18 // CHECK-NEW-SAME: @._OBJC_CLASS_X, section "__objc_classes"
20 // Check that we emit the section start and end symbols as hidden globals.
21 // CHECK-NEW: @__start___objc_selectors = external hidden global ptr
22 // CHECK-NEW: @__stop___objc_selectors = external hidden global ptr
23 // CHECK-NEW: @__start___objc_classes = external hidden global ptr
24 // CHECK-NEW: @__stop___objc_classes = external hidden global ptr
25 // CHECK-NEW: @__start___objc_class_refs = external hidden global ptr
26 // CHECK-NEW: @__stop___objc_class_refs = external hidden global ptr
27 // CHECK-NEW: @__start___objc_cats = external hidden global ptr
28 // CHECK-NEW: @__stop___objc_cats = external hidden global ptr
29 // CHECK-NEW: @__start___objc_protocols = external hidden global ptr
30 // CHECK-NEW: @__stop___objc_protocols = external hidden global ptr
31 // CHECK-NEW: @__start___objc_protocol_refs = external hidden global ptr
32 // CHECK-NEW: @__stop___objc_protocol_refs = external hidden global ptr
33 // CHECK-NEW: @__start___objc_class_aliases = external hidden global ptr
34 // CHECK-NEW: @__stop___objc_class_aliases = external hidden global ptr
35 // CHECK-NEW: @__start___objc_constant_string = external hidden global ptr
36 // CHECK-NEW: @__stop___objc_constant_string = external hidden global ptr
38 // Check that we emit the init structure correctly, including in a comdat.
39 // CHECK-NEW: @.objc_init = linkonce_odr hidden global { i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr } { i64 0, ptr @__start___objc_selectors, ptr @__stop___objc_selectors, ptr @__start___objc_classes, ptr @__stop___objc_classes, ptr @__start___objc_class_refs, ptr @__stop___objc_class_refs, ptr @__start___objc_cats, ptr @__stop___objc_cats, ptr @__start___objc_protocols, ptr @__stop___objc_protocols, ptr @__start___objc_protocol_refs, ptr @__stop___objc_protocol_refs, ptr @__start___objc_class_aliases, ptr @__stop___objc_class_aliases, ptr @__start___objc_constant_string, ptr @__stop___objc_constant_string }, comdat, align 8
41 // Check that the load function is manually inserted into .ctors.
42 // CHECK-NEW: @.objc_ctor = linkonce hidden global ptr @.objcv2_load_function, section ".ctors", comdat
43 // CHECK-INIT_ARRAY: @.objc_ctor = linkonce hidden global ptr @.objcv2_load_function, section ".init_array", comdat
46 // Make sure that we provide null versions of everything so the __start /
47 // __stop symbols work.
48 // CHECK-NEW: @.objc_null_selector = linkonce_odr hidden global { ptr, ptr } zeroinitializer, section "__objc_selectors", comdat, align 8
49 // CHECK-NEW: @.objc_null_category = linkonce_odr hidden global { ptr, ptr, ptr, ptr, ptr, ptr, ptr } zeroinitializer, section "__objc_cats", comdat, align 8
50 // CHECK-NEW: @.objc_null_protocol = linkonce_odr hidden global { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr } zeroinitializer, section "__objc_protocols", comdat, align 8
51 // CHECK-NEW: @.objc_null_protocol_ref = linkonce_odr hidden global { ptr } zeroinitializer, section "__objc_protocol_refs", comdat, align 8
52 // CHECK-NEW: @.objc_null_class_alias = linkonce_odr hidden global { ptr, ptr } zeroinitializer, section "__objc_class_aliases", comdat, align 8
53 // CHECK-NEW: @.objc_null_constant_string = linkonce_odr hidden global { ptr, i32, i32, i32, i32, ptr } zeroinitializer, section "__objc_constant_string", comdat, align 8
54 // Make sure that the null symbols are not going to be removed, even by linking.
55 // CHECK-NEW: @llvm.used = appending global [8 x ptr] [ptr @._OBJC_INIT_CLASS_X, ptr @.objc_ctor, ptr @.objc_null_selector, ptr @.objc_null_category, ptr @.objc_null_protocol, ptr @.objc_null_protocol_ref, ptr @.objc_null_class_alias, ptr @.objc_null_constant_string], section "llvm.metadata"
56 // Make sure that the load function and the reference to it are marked as used.
57 // CHECK-NEW: @llvm.compiler.used = appending global [1 x ptr] [ptr @.objcv2_load_function], section "llvm.metadata"
59 // Check that we emit the load function in a comdat and that it does the right thing.
60 // CHECK-NEW: define linkonce_odr hidden void @.objcv2_load_function() comdat {
61 // CHECK-NEW-NEXT: entry:
62 // CHECK-NEW-NEXT: call void @__objc_load(
63 // CHECK-NEW-SAME: @.objc_init
64 // CHECK-NEW-NEXT: ret void
66 // CHECK-OLD: @4 = internal global { i64, i64, ptr, ptr } { i64 9, i64 32, ptr @.objc_source_file_name, ptr @3 }, align 8
67 // CHECK-OLD: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @.objc_load_function, ptr null }]
69 // CHECK-OLD: define internal void @.objc_load_function() {
70 // CHECK-OLD-NEXT: entry:
71 // CHECK-OLD-NEXT: call void (ptr, ...) @__objc_exec_class(ptr @4)
75 // Make sure all of our section boundary variables are emitted correctly.
76 // CHECK-WIN-DAG: @"__stop.objcrt$SEL" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$SEL$z", comdat, align 8
77 // CHECK-WIN-DAG: @"__start_.objcrt$CLS" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CLS$a", comdat, align 8
78 // CHECK-WIN-DAG: @"__stop.objcrt$CLS" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CLS$z", comdat, align 8
79 // CHECK-WIN-DAG: @"__start_.objcrt$CLR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CLR$a", comdat, align 8
80 // CHECK-WIN-DAG: @"__stop.objcrt$CLR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CLR$z", comdat, align 8
81 // CHECK-WIN-DAG: @"__start_.objcrt$CAT" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CAT$a", comdat, align 8
82 // CHECK-WIN-DAG: @"__stop.objcrt$CAT" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CAT$z", comdat, align 8
83 // CHECK-WIN-DAG: @"__start_.objcrt$PCL" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$PCL$a", comdat, align 8
84 // CHECK-WIN-DAG: @"__stop.objcrt$PCL" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$PCL$z", comdat, align 8
85 // CHECK-WIN-DAG: @"__start_.objcrt$PCR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$PCR$a", comdat, align 8
86 // CHECK-WIN-DAG: @"__stop.objcrt$PCR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$PCR$z", comdat, align 8
87 // CHECK-WIN-DAG: @"__start_.objcrt$CAL" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CAL$a", comdat, align 8
88 // CHECK-WIN-DAG: @"__stop.objcrt$CAL" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$CAL$z", comdat, align 8
89 // CHECK-WIN-DAG: @"__start_.objcrt$STR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$STR$a", comdat, align 8
90 // CHECK-WIN-DAG: @"__stop.objcrt$STR" = linkonce_odr hidden global %.objc_section_sentinel zeroinitializer, section ".objcrt$STR$z", comdat, align 8
91 // CHECK-WIN-DAG: @.objc_init = linkonce_odr hidden global { i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr } { i64 0, ptr @"__start_.objcrt$SEL", ptr @"__stop.objcrt$SEL", ptr @"__start_.objcrt$CLS", ptr @"__stop.objcrt$CLS", ptr @"__start_.objcrt$CLR", ptr @"__stop.objcrt$CLR", ptr @"__start_.objcrt$CAT", ptr @"__stop.objcrt$CAT", ptr @"__start_.objcrt$PCL", ptr @"__stop.objcrt$PCL", ptr @"__start_.objcrt$PCR", ptr @"__stop.objcrt$PCR", ptr @"__start_.objcrt$CAL", ptr @"__stop.objcrt$CAL", ptr @"__start_.objcrt$STR", ptr @"__stop.objcrt$STR" }, comdat, align 8
93 // Make sure our init variable is in the correct section for late library init.
94 // CHECK-WIN: @.objc_ctor = linkonce hidden global ptr @.objcv2_load_function, section ".CRT$XCLz", comdat
96 // We shouldn't have emitted any null placeholders on Windows.
97 // CHECK-WIN: @llvm.used = appending global [2 x ptr] [ptr @"$_OBJC_INIT_CLASS_X", ptr @.objc_ctor], section "llvm.metadata"
98 // CHECK-WIN: @llvm.compiler.used = appending global [1 x ptr] [ptr @.objcv2_load_function], section "llvm.metadata"
100 // Check our load function is in a comdat.
101 // CHECK-WIN: define linkonce_odr hidden void @.objcv2_load_function() comdat {
103 // Make sure we do not have dllimport on the load function
104 // CHECK-WIN: declare dso_local void @__objc_load