1; REQUIRES: x86 2; RUN: rm -rf %t; split-file %s %t 3; RUN: llvm-as %t/foo.ll -o %t/foo.o 4; RUN: llvm-as %t/has-objc-symbol.ll -o %t/has-objc-symbol.o 5; RUN: llvm-as %t/has-objc-category.ll -o %t/has-objc-category.o 6; RUN: llvm-ar rcs %t/foo.a %t/foo.o 7; RUN: llvm-ar rcs %t/objc.a %t/has-objc-symbol.o %t/has-objc-category.o 8 9; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/main.s -o %t/main.o 10; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/references-foo.s -o %t/references-foo.o 11 12; RUN: %lld -lSystem %t/references-foo.o %t/foo.a -o /dev/null -why_load | FileCheck %s --check-prefix=FOO 13; FOO: _foo forced load of {{.+}}foo.a(foo.o) 14 15; RUN: %lld -lSystem -force_load %t/foo.a %t/main.o -o /dev/null -why_load | FileCheck %s --check-prefix=FORCE-LOAD 16; FORCE-LOAD: -force_load forced load of {{.+}}foo.a(foo.o) 17 18; RUN: %lld -lSystem -ObjC -framework CoreFoundation %t/objc.a %t/main.o \ 19; RUN: -o /dev/null -why_load | FileCheck %s --check-prefix=OBJC 20; OBJC: _OBJC_CLASS_$_Foo forced load of {{.+}}objc.a(has-objc-symbol.o) 21; OBJC: -ObjC forced load of {{.+}}objc.a(has-objc-category.o) 22 23; RUN: %lld -lSystem %t/foo.a %t/main.o -o %t/no-force-load -why_load | count 0 24 25; RUN: %lld -lSystem -framework CoreFoundation %t/objc.a %t/main.o -o %t/no-objc -why_load | count 0 26 27;--- foo.ll 28 29target triple = "x86_64-apple-macosx10.15.0" 30target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 31 32define void @foo() { 33 ret void 34} 35 36;--- has-objc-symbol.ll 37 38target triple = "x86_64-apple-macosx10.15.0" 39target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 40 41%struct._class_t = type { i8 } 42@"OBJC_CLASS_$_Foo" = global %struct._class_t { i8 123 } 43 44;--- has-objc-category.ll 45 46target triple = "x86_64-apple-macosx10.15.0" 47target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 48 49%struct._category_t = type { i8 } 50 51@"_OBJC_$_CATEGORY_Foo_$_Bar" = internal global %struct._category_t { i8 123 }, 52 section "__DATA, __objc_const", align 8 53 54@"OBJC_LABEL_CATEGORY_$" = private global [1 x ptr] [ 55 ptr @"_OBJC_$_CATEGORY_Foo_$_Bar" 56 ], section "__DATA,__objc_catlist,regular,no_dead_strip", align 8 57 58@llvm.compiler.used = appending global [1 x ptr] [ 59 ptr @"OBJC_LABEL_CATEGORY_$" 60 ], section "llvm.metadata" 61 62;--- main.s 63 64.globl _main 65_main: 66 ret 67 68;--- references-foo.s 69 70.globl _main 71_main: 72 callq _foo 73 ret 74