test/MachO/lc-linker-option.ll - llvm-project/lld - Git at Google

 ; REQUIRES: x86
 ; RUN: rm -rf %t; split-file %s %t

 ; RUN: llvm-as %t/framework.ll -o %t/framework.o
 ; RUN: %lld -lSystem %t/framework.o -o %t/frame
 ; RUN: llvm-otool -l %t/frame | FileCheck --check-prefix=FRAME %s \
 ; RUN:  --implicit-check-not LC_LOAD_DYLIB
 ; FRAME:          cmd LC_LOAD_DYLIB
 ; FRAME-NEXT: cmdsize
 ; FRAME-NEXT:    name /usr/lib/libSystem.dylib
 ; FRAME:          cmd LC_LOAD_DYLIB
 ; FRAME-NEXT: cmdsize
 ; FRAME-NEXT:    name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation

 ; RUN: not %lld %t/framework.o -o %t/frame_no_autolink -ignore_auto_link 2>&1 | FileCheck --check-prefix=NO-AUTOLINK %s
 ; RUN: not %lld %t/framework.o -o %t/frame_no_autolink --ignore-auto-link-option CoreFoundation 2>&1 | FileCheck --check-prefix=NO-AUTOLINK %s
 ; RUN: not %lld %t/framework.o -o %t/frame_no_autolink --ignore-auto-link-option=CoreFoundation 2>&1 | FileCheck --check-prefix=NO-AUTOLINK %s
 ; NO-AUTOLINK: error: undefined symbol: __CFBigNumGetInt128

 ; RUN: llvm-as %t/l.ll -o %t/l.o
 ;; The dynamic call to _CFBigNumGetInt128 uses dyld_stub_binder,
 ;; which needs -lSystem from LC_LINKER_OPTION to get resolved.
 ;; The reference to __cxa_allocate_exception will require -lc++ from
 ;; LC_LINKER_OPTION to get resolved.
 ; RUN: %no-lsystem-lld %t/l.o -o %t/l -framework CoreFoundation
 ; RUN: llvm-otool -l %t/l | FileCheck --check-prefix=LIB %s \
 ; RUN:  --implicit-check-not LC_LOAD_DYLIB
 ; LIB:          cmd LC_LOAD_DYLIB
 ; LIB-NEXT: cmdsize
 ; LIB-NEXT:    name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 ; LIB:          cmd LC_LOAD_DYLIB
 ; LIB-NEXT: cmdsize
 ; LIB-NEXT:    name /usr/lib/libSystem.dylib
 ; LIB:          cmd LC_LOAD_DYLIB
 ; LIB-NEXT: cmdsize
 ; LIB-NEXT:    name /usr/lib/libc++abi.dylib

 ;; Check that we don't create duplicate LC_LOAD_DYLIBs.
 ; RUN: %no-lsystem-lld -lSystem %t/l.o -o %t/l -framework CoreFoundation
 ; RUN: llvm-otool -l %t/l | FileCheck --check-prefix=LIB2 %s \
 ; RUN:  --implicit-check-not LC_LOAD_DYLIB
 ; LIB2:          cmd LC_LOAD_DYLIB
 ; LIB2-NEXT: cmdsize
 ; LIB2-NEXT:    name /usr/lib/libSystem.dylib
 ; LIB2:          cmd LC_LOAD_DYLIB
 ; LIB2-NEXT: cmdsize
 ; LIB2-NEXT:    name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
 ; LIB2:          cmd LC_LOAD_DYLIB
 ; LIB2-NEXT: cmdsize
 ; LIB2-NEXT:    name /usr/lib/libc++abi.dylib

 ; RUN: llvm-as %t/invalid.ll -o %t/invalid.o
 ; RUN: not %lld %t/invalid.o -o /dev/null 2>&1 | FileCheck --check-prefix=INVALID %s
 ; INVALID: error: -why_load is not allowed in LC_LINKER_OPTION

 ;; This is a regression test for a dangling string reference issue that occurred
 ;; when loading an archive-based framework via LC_LINKER_OPTION (see
 ;; D111706). Prior to the fix, this would trigger a heap-use-after-free when run
 ;; under ASAN.
 ; RUN: llc %t/foo.ll -o %t/foo.o -filetype=obj
 ; RUN: mkdir -p %t/Foo.framework
 ;; In a proper framework, this is technically supposed to be a symlink to the
 ;; actual archive at Foo.framework/Versions/Current, but we skip that here so
 ;; that this test can run on Windows.
 ; RUN: llvm-ar rcs %t/Foo.framework/Foo %t/foo.o
 ; RUN: llc %t/load-framework-foo.ll -o %t/load-framework-foo.o -filetype=obj
 ; RUN: llc %t/load-framework-undefined-symbol.ll -o %t/load-framework-undefined-symbol.o -filetype=obj
 ; RUN: llc %t/load-missing.ll -o %t/load-missing.o -filetype=obj
 ; RUN: llc %t/main.ll -o %t/main.o -filetype=obj
 ; RUN: %lld %t/load-framework-foo.o %t/main.o -o %t/main -F%t
 ; RUN: llvm-objdump --macho --syms %t/main | FileCheck %s --check-prefix=SYMS

 ;; Make sure -all_load and -ObjC have no effect on libraries loaded via
 ;; LC_LINKER_OPTION flags.
 ; RUN: llc %t/load-library-foo.ll -o %t/load-library-foo.o -filetype=obj
 ; RUN: llvm-ar rcs %t/libfoo.a %t/foo.o
 ; RUN: %lld -all_load -ObjC %t/load-framework-foo.o %t/load-library-foo.o \
 ; RUN:   %t/main.o -o %t/main -F%t -L%t
 ; RUN: llvm-objdump --macho --syms %t/main | FileCheck %s --check-prefix=SYMS

 ;; Note that _OBJC_CLASS_$_TestClass is *not* included here.
 ; SYMS:       SYMBOL TABLE:
 ; SYMS-NEXT:  g     F __TEXT,__text _main
 ; SYMS-NEXT:  g     F __TEXT,__text __mh_execute_header
 ; SYMS-NEXT:  *UND* dyld_stub_binder
 ; SYMS-EMPTY:

 ;; Make sure -all_load has effect when libraries are loaded via LC_LINKER_OPTION flags and explicitly passed as well
 ; RUN: %lld -all_load %t/load-framework-foo.o %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -lfoo
 ; RUN: llvm-objdump --macho --syms %t/main | FileCheck %s --check-prefix=SYMS-ALL-LOAD

 ;; Note that _OBJC_CLASS_$_TestClass is *included* here.
 ; SYMS-ALL-LOAD:       SYMBOL TABLE:
 ; SYMS-ALL-LOAD-NEXT:  g     F __TEXT,__text _main
 ; SYMS-ALL-LOAD-NEXT:  g     O __DATA,__objc_data _OBJC_CLASS_$_TestClass
 ; SYMS-ALL-LOAD-NEXT:  g     F __TEXT,__text __mh_execute_header
 ; SYMS-ALL-LOAD-NEXT:  *UND* dyld_stub_binder
 ; SYMS-ALL-LOAD-EMPTY:

 ;; Make sure -force_load has effect when libraries are loaded via LC_LINKER_OPTION flags and explicitly passed as well
 ; RUN: %lld %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -force_load %t/libfoo.a
 ; RUN: llvm-objdump --macho --syms %t/main | FileCheck %s --check-prefix=SYMS-FORCE-LOAD

 ;; Note that _OBJC_CLASS_$_TestClass is *included* here.
 ; SYMS-FORCE-LOAD:       SYMBOL TABLE:
 ; SYMS-FORCE-LOAD-NEXT:  g     F __TEXT,__text _main
 ; SYMS-FORCE-LOAD-NEXT:  g     O __DATA,__objc_data _OBJC_CLASS_$_TestClass
 ; SYMS-FORCE-LOAD-NEXT:  g     F __TEXT,__text __mh_execute_header
 ; SYMS-FORCE-LOAD-NEXT:  *UND* dyld_stub_binder
 ; SYMS-FORCE-LOAD-EMPTY:

 ;; Make sure -ObjC has effect when frameworks are loaded via LC_LINKER_OPTION flags and explicitly passed as well
 ; RUN: %lld -ObjC %t/load-framework-foo.o %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -framework Foo
 ; RUN: llvm-objdump --macho --syms %t/main | FileCheck %s --check-prefix=SYMS-OBJC-LOAD

 ;; Note that _OBJC_CLASS_$_TestClass is *included* here.
 ; SYMS-OBJC-LOAD:       SYMBOL TABLE:
 ; SYMS-OBJC-LOAD-NEXT:  g     F __TEXT,__text _main
 ; SYMS-OBJC-LOAD-NEXT:  g     O __DATA,__objc_data _OBJC_CLASS_$_TestClass
 ; SYMS-OBJC-LOAD-NEXT:  g     F __TEXT,__text __mh_execute_header
 ; SYMS-OBJC-LOAD-NEXT:  *UND* dyld_stub_binder
 ; SYMS-OBJC-LOAD-EMPTY:

 ;; Make sure that frameworks containing object files or bitcode instead of
 ;; dylibs or archives do not cause duplicate symbol errors
 ; RUN: mkdir -p %t/Foo.framework
 ; RUN: llc --filetype=obj %t/foo.ll -o %t/Foo.framework/Foo
 ; RUN: llc --filetype=obj %t/load-framework-twice.ll -o %t/main
 ;; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
 ; RUN: %lld %t/main -F %t -framework Foo -framework Foo -o /dev/null
 ; RUN: %lld -F %t -framework Foo -framework Foo %t/main -o /dev/null

 ; RUN: llvm-as %t/foo.ll -o %t/Foo.framework/Foo
 ; RUN: llvm-as %t/load-framework-twice.ll -o %t/main
 ;; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
 ; RUN: %lld %t/main -F %t -framework Foo -framework Foo -o /dev/null
 ; RUN: %lld -F %t -framework Foo -framework Foo %t/main -o /dev/null

 ;; Checks that "framework not found" errors from LC_LINKER_OPTIONS are not
 ;; emitted unless the link fails or --strict-auto-link is passed.
 ; RUN: %lld -ObjC %t/load-framework-foo.o %t/main.o -o %t/main-no-foo.out
 ; RUN: llvm-objdump --macho --syms %t/main-no-foo.out | FileCheck %s --check-prefix=SYMS-NO-FOO
 ; RUN: not %lld --strict-auto-link -ObjC %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
 ; RUN:   | FileCheck %s --check-prefix=MISSING-AUTO-LINK
 ; RUN: %no-fatal-warnings-lld --strict-auto-link -ObjC %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
 ; RUN:   | FileCheck %s --check-prefix=MISSING-AUTO-LINK
 ; RUN: not %lld -ObjC %t/load-framework-undefined-symbol.o %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
 ; RUN:   | FileCheck %s --check-prefixes=UNDEFINED-SYMBOL,MISSING-AUTO-LINK

 ;; Verify that nothing from the framework is included.
 ; SYMS-NO-FOO:       SYMBOL TABLE:
 ; SYMS-NO-FOO-NEXT:  g     F __TEXT,__text _main
 ; SYMS-NO-FOO-NOT:   g     O __DATA,__objc_data _OBJC_CLASS_$_TestClass

 ; UNDEFINED-SYMBOL: undefined symbol: __SomeUndefinedSymbol
 ; MISSING-AUTO-LINK: {{.+}}: auto-linked framework not found for -framework Foo
 ; MISSING-AUTO-LINK: {{.+}}: auto-linked library not found for -lBar

 ;--- framework.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-framework", !"CoreFoundation"}
 !llvm.linker.options = !{!0}

 declare void @_CFBigNumGetInt128(...)

 define void @main() {
   call void @_CFBigNumGetInt128()
   ret void
 }

 ;--- l.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-lSystem"}
 !1 = !{!"-lc++"}
 !llvm.linker.options = !{!0, !0, !1}

 declare void @_CFBigNumGetInt128(...)
 declare ptr @__cxa_allocate_exception(i64)

 define void @main() {
   call void @_CFBigNumGetInt128()
   call ptr @__cxa_allocate_exception(i64 4)
   ret void
 }

 ;--- invalid.ll

 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-why_load"}
 !llvm.linker.options = !{!0}

 define void @main() {
   ret void
 }

 ;--- load-framework-foo.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-framework", !"Foo"}
 !llvm.linker.options = !{!0}

 ;--- load-missing.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-framework", !"Foo"}
 !1 = !{!"-lBar"}
 !llvm.linker.options = !{!0, !1}

 ;--- load-framework-undefined-symbol.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 declare void @_SomeUndefinedSymbol(...)
 define void @foo() {
   call void @_SomeUndefinedSymbol()
   ret void
 }

 ;--- load-framework-twice.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-framework", !"Foo"}
 !llvm.linker.options = !{!0, !0}

 define void @main() {
   ret void
 }

 ;--- load-library-foo.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 !0 = !{!"-lfoo"}
 !llvm.linker.options = !{!0}

 ;--- main.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 define void @main() {
   ret void
 }

 !0 = !{!"-framework", !"Foo"}
 !llvm.linker.options = !{!0}

 ;--- foo.ll
 target triple = "x86_64-apple-macosx10.15.0"
 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

 %struct._class_t = type {}
 @"OBJC_CLASS_$_TestClass" = global %struct._class_t {}, section "__DATA, __objc_data", align 8
	; REQUIRES: x86
	; RUN: rm -rf %t; split-file %s %t

	; RUN: llvm-as %t/framework.ll -o %t/framework.o
	; RUN: %lld -lSystem %t/framework.o -o %t/frame
	; RUN: llvm-otool -l %t/frame \| FileCheck --check-prefix=FRAME %s \
	; RUN: --implicit-check-not LC_LOAD_DYLIB
	; FRAME: cmd LC_LOAD_DYLIB
	; FRAME-NEXT: cmdsize
	; FRAME-NEXT: name /usr/lib/libSystem.dylib
	; FRAME: cmd LC_LOAD_DYLIB
	; FRAME-NEXT: cmdsize
	; FRAME-NEXT: name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation

	; RUN: not %lld %t/framework.o -o %t/frame_no_autolink -ignore_auto_link 2>&1 \| FileCheck --check-prefix=NO-AUTOLINK %s
	; RUN: not %lld %t/framework.o -o %t/frame_no_autolink --ignore-auto-link-option CoreFoundation 2>&1 \| FileCheck --check-prefix=NO-AUTOLINK %s
	; RUN: not %lld %t/framework.o -o %t/frame_no_autolink --ignore-auto-link-option=CoreFoundation 2>&1 \| FileCheck --check-prefix=NO-AUTOLINK %s
	; NO-AUTOLINK: error: undefined symbol: __CFBigNumGetInt128

	; RUN: llvm-as %t/l.ll -o %t/l.o
	;; The dynamic call to _CFBigNumGetInt128 uses dyld_stub_binder,
	;; which needs -lSystem from LC_LINKER_OPTION to get resolved.
	;; The reference to __cxa_allocate_exception will require -lc++ from
	;; LC_LINKER_OPTION to get resolved.
	; RUN: %no-lsystem-lld %t/l.o -o %t/l -framework CoreFoundation
	; RUN: llvm-otool -l %t/l \| FileCheck --check-prefix=LIB %s \
	; RUN: --implicit-check-not LC_LOAD_DYLIB
	; LIB: cmd LC_LOAD_DYLIB
	; LIB-NEXT: cmdsize
	; LIB-NEXT: name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
	; LIB: cmd LC_LOAD_DYLIB
	; LIB-NEXT: cmdsize
	; LIB-NEXT: name /usr/lib/libSystem.dylib
	; LIB: cmd LC_LOAD_DYLIB
	; LIB-NEXT: cmdsize
	; LIB-NEXT: name /usr/lib/libc++abi.dylib

	;; Check that we don't create duplicate LC_LOAD_DYLIBs.
	; RUN: %no-lsystem-lld -lSystem %t/l.o -o %t/l -framework CoreFoundation
	; RUN: llvm-otool -l %t/l \| FileCheck --check-prefix=LIB2 %s \
	; RUN: --implicit-check-not LC_LOAD_DYLIB
	; LIB2: cmd LC_LOAD_DYLIB
	; LIB2-NEXT: cmdsize
	; LIB2-NEXT: name /usr/lib/libSystem.dylib
	; LIB2: cmd LC_LOAD_DYLIB
	; LIB2-NEXT: cmdsize
	; LIB2-NEXT: name /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
	; LIB2: cmd LC_LOAD_DYLIB
	; LIB2-NEXT: cmdsize
	; LIB2-NEXT: name /usr/lib/libc++abi.dylib

	; RUN: llvm-as %t/invalid.ll -o %t/invalid.o
	; RUN: not %lld %t/invalid.o -o /dev/null 2>&1 \| FileCheck --check-prefix=INVALID %s
	; INVALID: error: -why_load is not allowed in LC_LINKER_OPTION

	;; This is a regression test for a dangling string reference issue that occurred
	;; when loading an archive-based framework via LC_LINKER_OPTION (see
	;; D111706). Prior to the fix, this would trigger a heap-use-after-free when run
	;; under ASAN.
	; RUN: llc %t/foo.ll -o %t/foo.o -filetype=obj
	; RUN: mkdir -p %t/Foo.framework
	;; In a proper framework, this is technically supposed to be a symlink to the
	;; actual archive at Foo.framework/Versions/Current, but we skip that here so
	;; that this test can run on Windows.
	; RUN: llvm-ar rcs %t/Foo.framework/Foo %t/foo.o
	; RUN: llc %t/load-framework-foo.ll -o %t/load-framework-foo.o -filetype=obj
	; RUN: llc %t/load-framework-undefined-symbol.ll -o %t/load-framework-undefined-symbol.o -filetype=obj
	; RUN: llc %t/load-missing.ll -o %t/load-missing.o -filetype=obj
	; RUN: llc %t/main.ll -o %t/main.o -filetype=obj
	; RUN: %lld %t/load-framework-foo.o %t/main.o -o %t/main -F%t
	; RUN: llvm-objdump --macho --syms %t/main \| FileCheck %s --check-prefix=SYMS

	;; Make sure -all_load and -ObjC have no effect on libraries loaded via
	;; LC_LINKER_OPTION flags.
	; RUN: llc %t/load-library-foo.ll -o %t/load-library-foo.o -filetype=obj
	; RUN: llvm-ar rcs %t/libfoo.a %t/foo.o
	; RUN: %lld -all_load -ObjC %t/load-framework-foo.o %t/load-library-foo.o \
	; RUN: %t/main.o -o %t/main -F%t -L%t
	; RUN: llvm-objdump --macho --syms %t/main \| FileCheck %s --check-prefix=SYMS

	;; Note that _OBJC_CLASS_$_TestClass is not included here.
	; SYMS: SYMBOL TABLE:
	; SYMS-NEXT: g F __TEXT,__text _main
	; SYMS-NEXT: g F __TEXT,__text __mh_execute_header
	; SYMS-NEXT: UND dyld_stub_binder
	; SYMS-EMPTY:

	;; Make sure -all_load has effect when libraries are loaded via LC_LINKER_OPTION flags and explicitly passed as well
	; RUN: %lld -all_load %t/load-framework-foo.o %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -lfoo
	; RUN: llvm-objdump --macho --syms %t/main \| FileCheck %s --check-prefix=SYMS-ALL-LOAD

	;; Note that _OBJC_CLASS_$_TestClass is included here.
	; SYMS-ALL-LOAD: SYMBOL TABLE:
	; SYMS-ALL-LOAD-NEXT: g F __TEXT,__text _main
	; SYMS-ALL-LOAD-NEXT: g O __DATA,__objc_data _OBJC_CLASS_$_TestClass
	; SYMS-ALL-LOAD-NEXT: g F __TEXT,__text __mh_execute_header
	; SYMS-ALL-LOAD-NEXT: UND dyld_stub_binder
	; SYMS-ALL-LOAD-EMPTY:

	;; Make sure -force_load has effect when libraries are loaded via LC_LINKER_OPTION flags and explicitly passed as well
	; RUN: %lld %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -force_load %t/libfoo.a
	; RUN: llvm-objdump --macho --syms %t/main \| FileCheck %s --check-prefix=SYMS-FORCE-LOAD

	;; Note that _OBJC_CLASS_$_TestClass is included here.
	; SYMS-FORCE-LOAD: SYMBOL TABLE:
	; SYMS-FORCE-LOAD-NEXT: g F __TEXT,__text _main
	; SYMS-FORCE-LOAD-NEXT: g O __DATA,__objc_data _OBJC_CLASS_$_TestClass
	; SYMS-FORCE-LOAD-NEXT: g F __TEXT,__text __mh_execute_header
	; SYMS-FORCE-LOAD-NEXT: UND dyld_stub_binder
	; SYMS-FORCE-LOAD-EMPTY:

	;; Make sure -ObjC has effect when frameworks are loaded via LC_LINKER_OPTION flags and explicitly passed as well
	; RUN: %lld -ObjC %t/load-framework-foo.o %t/load-library-foo.o %t/main.o -o %t/main -F%t -L%t -framework Foo
	; RUN: llvm-objdump --macho --syms %t/main \| FileCheck %s --check-prefix=SYMS-OBJC-LOAD

	;; Note that _OBJC_CLASS_$_TestClass is included here.
	; SYMS-OBJC-LOAD: SYMBOL TABLE:
	; SYMS-OBJC-LOAD-NEXT: g F __TEXT,__text _main
	; SYMS-OBJC-LOAD-NEXT: g O __DATA,__objc_data _OBJC_CLASS_$_TestClass
	; SYMS-OBJC-LOAD-NEXT: g F __TEXT,__text __mh_execute_header
	; SYMS-OBJC-LOAD-NEXT: UND dyld_stub_binder
	; SYMS-OBJC-LOAD-EMPTY:

	;; Make sure that frameworks containing object files or bitcode instead of
	;; dylibs or archives do not cause duplicate symbol errors
	; RUN: mkdir -p %t/Foo.framework
	; RUN: llc --filetype=obj %t/foo.ll -o %t/Foo.framework/Foo
	; RUN: llc --filetype=obj %t/load-framework-twice.ll -o %t/main
	;; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
	; RUN: %lld %t/main -F %t -framework Foo -framework Foo -o /dev/null
	; RUN: %lld -F %t -framework Foo -framework Foo %t/main -o /dev/null

	; RUN: llvm-as %t/foo.ll -o %t/Foo.framework/Foo
	; RUN: llvm-as %t/load-framework-twice.ll -o %t/main
	;; Order of the object with the LC_LINKER_OPTION vs -framework arg is important.
	; RUN: %lld %t/main -F %t -framework Foo -framework Foo -o /dev/null
	; RUN: %lld -F %t -framework Foo -framework Foo %t/main -o /dev/null

	;; Checks that "framework not found" errors from LC_LINKER_OPTIONS are not
	;; emitted unless the link fails or --strict-auto-link is passed.
	; RUN: %lld -ObjC %t/load-framework-foo.o %t/main.o -o %t/main-no-foo.out
	; RUN: llvm-objdump --macho --syms %t/main-no-foo.out \| FileCheck %s --check-prefix=SYMS-NO-FOO
	; RUN: not %lld --strict-auto-link -ObjC %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
	; RUN: \| FileCheck %s --check-prefix=MISSING-AUTO-LINK
	; RUN: %no-fatal-warnings-lld --strict-auto-link -ObjC %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
	; RUN: \| FileCheck %s --check-prefix=MISSING-AUTO-LINK
	; RUN: not %lld -ObjC %t/load-framework-undefined-symbol.o %t/load-missing.o %t/main.o -o %t/main-no-foo.out 2>&1 \
	; RUN: \| FileCheck %s --check-prefixes=UNDEFINED-SYMBOL,MISSING-AUTO-LINK

	;; Verify that nothing from the framework is included.
	; SYMS-NO-FOO: SYMBOL TABLE:
	; SYMS-NO-FOO-NEXT: g F __TEXT,__text _main
	; SYMS-NO-FOO-NOT: g O __DATA,__objc_data _OBJC_CLASS_$_TestClass

	; UNDEFINED-SYMBOL: undefined symbol: __SomeUndefinedSymbol
	; MISSING-AUTO-LINK: {{.+}}: auto-linked framework not found for -framework Foo
	; MISSING-AUTO-LINK: {{.+}}: auto-linked library not found for -lBar

	;--- framework.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-framework", !"CoreFoundation"}
	!llvm.linker.options = !{!0}

	declare void @_CFBigNumGetInt128(...)

	define void @main() {
	call void @_CFBigNumGetInt128()
	ret void
	}

	;--- l.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-lSystem"}
	!1 = !{!"-lc++"}
	!llvm.linker.options = !{!0, !0, !1}

	declare void @_CFBigNumGetInt128(...)
	declare ptr @__cxa_allocate_exception(i64)

	define void @main() {
	call void @_CFBigNumGetInt128()
	call ptr @__cxa_allocate_exception(i64 4)
	ret void
	}

	;--- invalid.ll

	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-why_load"}
	!llvm.linker.options = !{!0}

	define void @main() {
	ret void
	}

	;--- load-framework-foo.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-framework", !"Foo"}
	!llvm.linker.options = !{!0}

	;--- load-missing.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-framework", !"Foo"}
	!1 = !{!"-lBar"}
	!llvm.linker.options = !{!0, !1}

	;--- load-framework-undefined-symbol.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	declare void @_SomeUndefinedSymbol(...)
	define void @foo() {
	call void @_SomeUndefinedSymbol()
	ret void
	}

	;--- load-framework-twice.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-framework", !"Foo"}
	!llvm.linker.options = !{!0, !0}

	define void @main() {
	ret void
	}

	;--- load-library-foo.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	!0 = !{!"-lfoo"}
	!llvm.linker.options = !{!0}

	;--- main.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	define void @main() {
	ret void
	}

	!0 = !{!"-framework", !"Foo"}
	!llvm.linker.options = !{!0}

	;--- foo.ll
	target triple = "x86_64-apple-macosx10.15.0"
	target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

	%struct._class_t = type {}
	@"OBJC_CLASS_$_TestClass" = global %struct._class_t {}, section "__DATA, __objc_data", align 8