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/2.s -o %t/2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/3.s -o %t/3.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/4.s -o %t/4.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-ar rcs %t/test.a %t/2.o %t/3.o %t/4.o
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# RUN: %lld %t/main.o %t/test.a -o %t/test.out
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## TODO: Run llvm-nm -p to validate symbol order
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# RUN: llvm-nm %t/test.out | FileCheck %s
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# CHECK: T _bar
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# CHECK: T _boo
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# CHECK: T _main
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## Linking with the archive first in the command line shouldn't change anything
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# RUN: %lld %t/test.a %t/main.o -o %t/test.out
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# RUN: llvm-nm %t/test.out | FileCheck %s --check-prefix ARCHIVE-FIRST
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# ARCHIVE-FIRST: T _bar
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# ARCHIVE-FIRST: T _boo
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# ARCHIVE-FIRST: T _main
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# RUN: llvm-nm %t/test.out | FileCheck %s --check-prefix VISIBLE
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# VISIBLE-NOT: T _undefined
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# VISIBLE-NOT: T _unused
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# RUN: %lld %t/test.a %t/main.o -o %t/all-load -noall_load -all_load
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# RUN: llvm-nm %t/all-load | FileCheck %s --check-prefix ALL-LOAD
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# ALL-LOAD: T _bar
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# ALL-LOAD: T _boo
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# ALL-LOAD: T _main
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# ALL-LOAD: T _unused
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# RUN: %lld %t/test.a %t/main.o -o %t/no-all-load -all_load -noall_load
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# RUN: llvm-nm %t/no-all-load | FileCheck %s --check-prefix NO-ALL-LOAD
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# RUN: %lld %t/test.a %t/main.o -o %t/no-all-load-only -noall_load
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# RUN: llvm-nm %t/no-all-load-only | FileCheck %s --check-prefix NO-ALL-LOAD
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# NO-ALL-LOAD-NOT: T _unused
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## Multiple archives defining the same symbols aren't an issue, due to lazy
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## loading
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# RUN: cp %t/test.a %t/test2.a
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# RUN: %lld %t/test.a %t/test2.a %t/main.o -o /dev/null
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#--- 2.s
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.globl _boo
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_boo:
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  ret
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#--- 3.s
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.globl _bar
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_bar:
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  ret
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#--- 4.s
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.globl _undefined, _unused
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_unused:
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  ret
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#--- main.s
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.globl _main
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_main:
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  callq _boo
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  callq _bar
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  ret
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