derek.holloway
7502bf64a4
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47 lines
1.3 KiB
Plaintext
47 lines
1.3 KiB
Plaintext
REQUIRES: x86
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RUN: split-file %s %t.dir && cd %t.dir
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RUN: llvm-mc -filetype=obj -triple=x86_64-windows weak-ref.s -o weak-ref.obj
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RUN: llvm-mc -filetype=obj -triple=x86_64-windows weak-def.s -o weak-def.obj
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RUN: env LLD_IN_TEST=1 not lld-link -entry:entry -subsystem:console -out:test.exe weak-ref.obj weak-def.obj 2>&1 | FileCheck -check-prefix=ERR %s
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ERR: error: duplicate symbol: weakfunc
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Test that we get the same choice for weakfunc (pointing at the definition
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in weak-def.s, not the absolute null fallback provided by weak-ref.s),
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regardless of which object is linked first.
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RUN: lld-link -lld-allow-duplicate-weak -entry:entry -subsystem:console -out:test.exe weak-def.obj weak-ref.obj
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RUN: llvm-objdump -s test.exe | FileCheck %s
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RUN: lld-link -lld-allow-duplicate-weak -entry:entry -subsystem:console -out:test.exe weak-ref.obj weak-def.obj
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RUN: llvm-objdump -s test.exe | FileCheck %s
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CHECK: Contents of section .rdata:
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CHECK-NEXT: 140002000 14100040 01000000
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#--- weak-ref.s
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.text
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.globl entry
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entry:
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cmpq $0, .refptr.weakfunc(%rip)
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je .LBB0_1
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rex64 jmpq *.refptr.weakfunc(%rip)
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.LBB0_1:
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retq
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.section .rdata$.refptr.weakfunc,"dr",discard,.refptr.weakfunc
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.globl .refptr.weakfunc
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.refptr.weakfunc:
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.quad weakfunc
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.weak weakfunc
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#--- weak-def.s
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.section .text$b,"xr"
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.balign 4
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.weak weakfunc
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weakfunc:
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retq
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