84 lines
3.0 KiB
ArmAsm
84 lines
3.0 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/explicit-selrefs-1.s -o %t/explicit-selrefs-1.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/explicit-selrefs-2.s -o %t/explicit-selrefs-2.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/implicit-selrefs.s -o %t/implicit-selrefs.o
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# RUN: %lld -dylib -arch arm64 -lSystem -o %t/explicit-only-no-icf \
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# RUN: %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o
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# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-only-no-icf | \
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# RUN: FileCheck %s --check-prefix=EXPLICIT-NO-ICF
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## NOTE: ld64 always dedups the selrefs unconditionally, but we only do it when
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## ICF is enabled.
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# RUN: %lld -dylib -arch arm64 -lSystem -o %t/explicit-only-with-icf \
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# RUN: %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o
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# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-only-with-icf \
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# RUN: | FileCheck %s --check-prefix=EXPLICIT-WITH-ICF
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# SELREFS: Contents of (__DATA,__objc_selrefs) section
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# SELREFS-NEXT: __TEXT:__objc_methname:foo
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# SELREFS-NEXT: __TEXT:__objc_methname:bar
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# SELREFS-NEXT: __TEXT:__objc_methname:foo
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# SELREFS-NEXT: __TEXT:__objc_methname:length
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# SELREFS-EMPTY:
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## We don't yet support dedup'ing implicitly-defined selrefs.
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# RUN: %lld -dylib -arch arm64 -lSystem --icf=all -o %t/explicit-and-implicit \
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# RUN: %t/explicit-selrefs-1.o %t/explicit-selrefs-2.o %t/implicit-selrefs.o
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# RUN: llvm-otool -vs __DATA __objc_selrefs %t/explicit-and-implicit \
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# RUN: | FileCheck %s --check-prefix=EXPLICIT-AND-IMPLICIT
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# EXPLICIT-NO-ICF: Contents of (__DATA,__objc_selrefs) section
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# EXPLICIT-NO-ICF-NEXT: __TEXT:__objc_methname:foo
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# EXPLICIT-NO-ICF-NEXT: __TEXT:__objc_methname:bar
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# EXPLICIT-NO-ICF-NEXT: __TEXT:__objc_methname:bar
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# EXPLICIT-NO-ICF-NEXT: __TEXT:__objc_methname:foo
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# EXPLICIT-WITH-ICF: Contents of (__DATA,__objc_selrefs) section
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# EXPLICIT-WITH-ICF-NEXT: __TEXT:__objc_methname:foo
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# EXPLICIT-WITH-ICF-NEXT: __TEXT:__objc_methname:bar
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# EXPLICIT-AND-IMPLICIT: Contents of (__DATA,__objc_selrefs) section
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# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:foo
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# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:bar
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# NOTE: Ideally this wouldn't exist, but while it does it needs to point to the deduplicated string
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# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:foo
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# EXPLICIT-AND-IMPLICIT-NEXT: __TEXT:__objc_methname:length
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#--- explicit-selrefs-1.s
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.section __TEXT,__objc_methname,cstring_literals
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lselref1:
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.asciz "foo"
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lselref2:
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.asciz "bar"
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.section __DATA,__objc_selrefs,literal_pointers,no_dead_strip
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.p2align 3
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.quad lselref1
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.quad lselref2
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.quad lselref2
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#--- explicit-selrefs-2.s
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.section __TEXT,__objc_methname,cstring_literals
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lselref1:
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.asciz "foo"
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.section __DATA,__objc_selrefs,literal_pointers,no_dead_strip
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.p2align 3
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.quad lselref1
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#--- implicit-selrefs.s
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.text
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.globl _objc_msgSend
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.p2align 2
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_objc_msgSend:
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ret
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.p2align 2
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_sender:
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bl _objc_msgSend$length
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bl _objc_msgSend$foo
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ret
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