1// RUN: %clang_cc1 -triple x86_64-unknown-freebsd -S -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 -S -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 -S -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 -S -emit-llvm -fobjc-runtime=gnustep-2.0 -o - %s | FileCheck %s -check-prefix=CHECK-INIT_ARRAY 5 6// Almost minimal Objective-C file, check that it emits calls to the correct 7// runtime entry points. 8@interface X @end 9@implementation X @end 10 11 12// Check that we emit a class ref 13// CHECK-NEW: @._OBJC_REF_CLASS_X 14// CHECK-NEW-SAME: section "__objc_class_refs" 15 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" 19 20// Check that we emit the section start and end symbols as hidden globals. 21// CHECK-NEW: @__start___objc_selectors = external hidden global i8* 22// CHECK-NEW: @__stop___objc_selectors = external hidden global i8* 23// CHECK-NEW: @__start___objc_classes = external hidden global i8* 24// CHECK-NEW: @__stop___objc_classes = external hidden global i8* 25// CHECK-NEW: @__start___objc_class_refs = external hidden global i8* 26// CHECK-NEW: @__stop___objc_class_refs = external hidden global i8* 27// CHECK-NEW: @__start___objc_cats = external hidden global i8* 28// CHECK-NEW: @__stop___objc_cats = external hidden global i8* 29// CHECK-NEW: @__start___objc_protocols = external hidden global i8* 30// CHECK-NEW: @__stop___objc_protocols = external hidden global i8* 31// CHECK-NEW: @__start___objc_protocol_refs = external hidden global i8* 32// CHECK-NEW: @__stop___objc_protocol_refs = external hidden global i8* 33// CHECK-NEW: @__start___objc_class_aliases = external hidden global i8* 34// CHECK-NEW: @__stop___objc_class_aliases = external hidden global i8* 35// CHECK-NEW: @__start___objc_constant_string = external hidden global i8* 36// CHECK-NEW: @__stop___objc_constant_string = external hidden global i8* 37 38// Check that we emit the init structure correctly, including in a comdat. 39// CHECK-NEW: @.objc_init = linkonce_odr hidden global { i64, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8** } { i64 0, i8** @__start___objc_selectors, i8** @__stop___objc_selectors, i8** @__start___objc_classes, i8** @__stop___objc_classes, i8** @__start___objc_class_refs, i8** @__stop___objc_class_refs, i8** @__start___objc_cats, i8** @__stop___objc_cats, i8** @__start___objc_protocols, i8** @__stop___objc_protocols, i8** @__start___objc_protocol_refs, i8** @__stop___objc_protocol_refs, i8** @__start___objc_class_aliases, i8** @__stop___objc_class_aliases, i8** @__start___objc_constant_string, i8** @__stop___objc_constant_string }, comdat, align 8 40 41// Check that the load function is manually inserted into .ctors. 42// CHECK-NEW: @.objc_ctor = linkonce hidden constant void ()* @.objcv2_load_function, section ".ctors", comdat 43// CHECK-INIT_ARRAY: @.objc_ctor = linkonce hidden constant void ()* @.objcv2_load_function, section ".init_array", comdat 44 45 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 { i8*, i8* } zeroinitializer, section "__objc_selectors", comdat, align 8 49// CHECK-NEW: @.objc_null_category = linkonce_odr hidden global { i8*, i8*, i8*, i8*, i8*, i8*, i8* } zeroinitializer, section "__objc_cats", comdat, align 8 50// CHECK-NEW: @.objc_null_protocol = linkonce_odr hidden global { i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8* } zeroinitializer, section "__objc_protocols", comdat, align 8 51// CHECK-NEW: @.objc_null_protocol_ref = linkonce_odr hidden global { i8* } zeroinitializer, section "__objc_protocol_refs", comdat, align 8 52// CHECK-NEW: @.objc_null_class_alias = linkonce_odr hidden global { i8*, i8* } zeroinitializer, section "__objc_class_aliases", comdat, align 8 53// CHECK-NEW: @.objc_null_constant_string = linkonce_odr hidden global { i8*, i32, i32, i32, i32, i8* } 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 i8*] [i8* bitcast ({ { i8*, i8*, i8*, i64, i64, i64, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i64, i8* }*, i8*, i8*, i64, i64, i64, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i64, i8* }** @._OBJC_INIT_CLASS_X to i8*), i8* bitcast (void ()** @.objc_ctor to i8*), i8* bitcast ({ i8*, i8* }* @.objc_null_selector to i8*), i8* bitcast ({ i8*, i8*, i8*, i8*, i8*, i8*, i8* }* @.objc_null_category to i8*), i8* bitcast ({ i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8* }* @.objc_null_protocol to i8*), i8* bitcast ({ i8* }* @.objc_null_protocol_ref to i8*), i8* bitcast ({ i8*, i8* }* @.objc_null_class_alias to i8*), i8* bitcast ({ i8*, i32, i32, i32, i32, i8* }* @.objc_null_constant_string to i8*)], 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 i8*] [i8* bitcast (void ()* @.objcv2_load_function to i8*)], section "llvm.metadata" 58 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 65 66// CHECK-OLD: @4 = internal global { i64, i64, i8*, { i64, { i8*, i8* }*, i16, i16, [4 x i8*] }* } { i64 9, i64 32, i8* getelementptr inbounds ([{{[0-9]+}} x i8], [{{[0-9]+}} x i8]* @.objc_source_file_name, i64 0, i64 0), { i64, { i8*, i8* }*, i16, i16, [4 x i8*] }* @3 }, align 8 67// CHECK-OLD: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @.objc_load_function, i8* null }] 68 69// CHECK-OLD: define internal void @.objc_load_function() { 70// CHECK-OLD-NEXT: entry: 71// CHECK-OLD-NEXT: call void ({ i64, i64, i8*, { i64, { i8*, i8* }*, i16, i16, [4 x i8*] }* }*, ...) @__objc_exec_class({ i64, i64, i8*, { i64, { i8*, i8* }*, i16, i16, [4 x i8*] }* }* @4) 72 73 74 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$z", comdat, align 8 91// CHECK-WIN-DAG: @.objc_init = linkonce_odr hidden global { i64, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel*, %.objc_section_sentinel* } { i64 0, %.objc_section_sentinel* @"__start_.objcrt$SEL", %.objc_section_sentinel* @"__stop.objcrt$SEL", %.objc_section_sentinel* @"__start_.objcrt$CLS", %.objc_section_sentinel* @"__stop.objcrt$CLS", %.objc_section_sentinel* @"__start_.objcrt$CLR", %.objc_section_sentinel* @"__stop.objcrt$CLR", %.objc_section_sentinel* @"__start_.objcrt$CAT", %.objc_section_sentinel* @"__stop.objcrt$CAT", %.objc_section_sentinel* @"__start_.objcrt$PCL", %.objc_section_sentinel* @"__stop.objcrt$PCL", %.objc_section_sentinel* @"__start_.objcrt$PCR", %.objc_section_sentinel* @"__stop.objcrt$PCR", %.objc_section_sentinel* @"__start_.objcrt$CAL", %.objc_section_sentinel* @"__stop.objcrt$CAL", %.objc_section_sentinel* @"__start_.objcrt$STR", %.objc_section_sentinel* @"__stop.objcrt$STR" }, comdat, align 8 92 93// Make sure our init variable is in the correct section for late library init. 94// CHECK-WIN: @.objc_ctor = linkonce hidden constant void ()* @.objcv2_load_function, section ".CRT$XCLz", comdat 95 96// We shouldn't have emitted any null placeholders on Windows. 97// CHECK-WIN: @llvm.used = appending global [2 x i8*] [i8* bitcast ({ { i8*, i8*, i8*, i32, i32, i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i32, i8* }*, i8*, i8*, i32, i32, i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i32, i8* }** @"$_OBJC_INIT_CLASS_X" to i8*), i8* bitcast (void ()** @.objc_ctor to i8*)], section "llvm.metadata" 98// CHECK-WIN: @llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (void ()* @.objcv2_load_function to i8*)], section "llvm.metadata" 99 100// Check our load function is in a comdat. 101// CHECK-WIN: define linkonce_odr hidden void @.objcv2_load_function() comdat { 102 103// Make sure we do not have dllimport on the load function 104// CHECK-WIN: declare dso_local void @__objc_load 105 106