# REQUIRES: x86 # RUN: rm -rf %t; split-file %s %t # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/main.o %t/main.s # RUN: %lld -alias _foo _bar -u _bar -exported_symbol _bar %t/main.o %t/foo.o -o %t/bar.o # RUN: llvm-nm %t/bar.o | FileCheck %s --check-prefix=BAR # BAR: [[#%x,FOO_ADDR:]] T _bar # BAR: [[#FOO_ADDR]] t _foo # RUN: not %lld -alias _missing _bar -alias _missing2 _baz %t/main.o -o %t/missing.o %s 2>&1 | FileCheck %s --check-prefix=MISSING # MISSING-DAG: undefined base symbol '_missing' for alias '_bar' # MISSING-DAG: undefined base symbol '_missing2' for alias '_baz' # RUN: %lld -alias _foo _main %t/foo.o -o %t/main_rename.o # RUN: llvm-nm %t/main_rename.o | FileCheck %s --check-prefix=MAIN # MAIN: [[#%x,FOO_ADDR:]] T _foo # MAIN: [[#FOO_ADDR]] T _main ## Verify dead stripping doesn't remove the aliased symbol. This behavior differs ## from ld64 where it actually does dead strip only the alias, not the original symbol. # RUN: %lld -dead_strip -alias _foo _bar -alias _main _fake_main %t/main.o %t/foo.o -o %t/multiple.o # RUN: llvm-nm %t/multiple.o | FileCheck %s --check-prefix=MULTIPLE # MULTIPLE: [[#%x,FOO_ADDR:]] T _bar # MULTIPLE: [[#%x,MAIN_ADDR:]] T _fake_main # MULTIPLE: [[#FOO_ADDR]] T _foo # MULTIPLE: [[#MAIN_ADDR]] T _main #--- foo.s .subsections_via_symbols .globl _foo _foo: ret #--- main.s .subsections_via_symbols .globl _main _main: ret