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-mc -filetype=obj -triple=x86_64-apple-darwin %t/libresolution.s -o %t/libresolution.o
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# RUN: %lld -dylib -install_name \
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# RUN:   @executable_path/libresolution.dylib %t/libresolution.o -o %t/libresolution.dylib
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# RUN: %lld -dylib -install_name \
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# RUN:   @executable_path/libresolution2.dylib %t/libresolution.o -o %t/libresolution2.dylib
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/resolution.s -o %t/resolution.o
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## Check that we select the symbol defined in the first dylib passed on the
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## command line.
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# RUN: %lld -o %t/dylib-first -L%t -lresolution -lresolution2 %t/resolution.o
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# RUN: llvm-objdump --macho --bind %t/dylib-first | FileCheck %s --check-prefix=DYLIB-FIRST
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# DYLIB-FIRST: libresolution _foo
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# RUN: %lld -o %t/dylib2-first -L%t -lresolution2 -lresolution %t/resolution.o
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# RUN: llvm-objdump --macho --bind %t/dylib2-first | FileCheck %s --check-prefix=DYLIB2-FIRST
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# DYLIB2-FIRST: libresolution2 _foo
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## Also check that defined symbols take precedence over dylib symbols.
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# DYLIB-FIRST-NOT: libresolution _bar
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# DYLIB-FIRST-NOT: libresolution _baz
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## Check that we pick the dylib symbol over the undefined symbol in the object
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## file, even if the object file appears first on the command line.
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# RUN: %lld -o %t/obj-first -L%t %t/resolution.o -lresolution
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# RUN: llvm-objdump --macho --bind %t/obj-first | FileCheck %s --check-prefix=OBJ-FIRST
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# OBJ-FIRST: libresolution _foo
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## But defined symbols should still take precedence.
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# OBJ-FIRST-NOT: libresolution _bar
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# OBJ-FIRST-NOT: libresolution _baz
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#--- libresolution.s
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.globl _foo, _bar, _baz
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_foo:
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_bar:
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_baz:
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#--- resolution.s
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.globl _main, _bar
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# Global defined symbol
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_bar:
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# Local defined symbol
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_baz:
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_main:
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  movq _foo@GOTPCREL(%rip), %rsi
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  movq _bar@GOTPCREL(%rip), %rsi
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  movq _baz@GOTPCREL(%rip), %rsi
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  ret
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