llvm-project

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; REQUIRES: x86
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; RUN: rm -rf %t; split-file %s %t
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; RUN: llvm-as %t/foo.ll -o %t/foo.o
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; RUN: llvm-as %t/has-objc-symbol.ll -o %t/has-objc-symbol.o
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; RUN: llvm-as %t/has-objc-category.ll -o %t/has-objc-category.o
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; RUN: llvm-ar rcs %t/foo.a %t/foo.o
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; RUN: llvm-ar rcs %t/objc.a %t/has-objc-symbol.o %t/has-objc-category.o
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; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/main.s -o %t/main.o
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; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/references-foo.s -o %t/references-foo.o
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; RUN: %lld -lSystem %t/references-foo.o %t/foo.a -o /dev/null -why_load | FileCheck %s --check-prefix=FOO
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; FOO: _foo forced load of {{.+}}foo.a(foo.o)
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; RUN: %lld -lSystem -force_load %t/foo.a %t/main.o -o /dev/null -why_load | FileCheck %s --check-prefix=FORCE-LOAD
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; FORCE-LOAD: -force_load forced load of {{.+}}foo.a(foo.o)
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; RUN: %lld -lSystem -ObjC -framework CoreFoundation %t/objc.a %t/main.o \
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; RUN:   -o /dev/null -why_load | FileCheck %s --check-prefix=OBJC
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; OBJC: _OBJC_CLASS_$_Foo forced load of {{.+}}objc.a(has-objc-symbol.o)
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; OBJC: -ObjC forced load of {{.+}}objc.a(has-objc-category.o)
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; RUN: %lld -lSystem %t/foo.a %t/main.o -o %t/no-force-load -why_load | count 0
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; RUN: %lld -lSystem -framework CoreFoundation %t/objc.a %t/main.o -o %t/no-objc -why_load | count 0
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;--- foo.ll
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target triple = "x86_64-apple-macosx10.15.0"
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo() {
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  ret void
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}
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;--- has-objc-symbol.ll
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target triple = "x86_64-apple-macosx10.15.0"
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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%struct._class_t = type { i8 }
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@"OBJC_CLASS_$_Foo" = global %struct._class_t { i8 123 }
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;--- has-objc-category.ll
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target triple = "x86_64-apple-macosx10.15.0"
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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%struct._category_t = type { i8 }
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@"_OBJC_$_CATEGORY_Foo_$_Bar" = internal global %struct._category_t { i8 123 },
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  section "__DATA, __objc_const", align 8
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@"OBJC_LABEL_CATEGORY_$" = private global [1 x ptr] [
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  ptr @"_OBJC_$_CATEGORY_Foo_$_Bar"
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  ], section "__DATA,__objc_catlist,regular,no_dead_strip", align 8
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@llvm.compiler.used = appending global [1 x ptr] [
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  ptr @"OBJC_LABEL_CATEGORY_$"
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  ], section "llvm.metadata"
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;--- main.s
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.globl _main
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_main:
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  ret
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;--- references-foo.s
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.globl _main
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_main:
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  callq _foo
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  ret
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