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      1 ; RUN: opt -module-summary %s -o %t.o
      2 ; RUN: opt -module-summary %p/Inputs/thinlto_alias.ll -o %t2.o
      3 
      4 ; Ensure that a preempted weak symbol that is linked in as a local
      5 ; copy is handled properly. Specifically, the local copy will be promoted,
      6 ; and internalization should be able to use the original non-promoted
      7 ; name to locate the summary (otherwise internalization will abort because
      8 ; it expects to locate summaries for all definitions).
      9 ; Note that gold picks the first copy of weakfunc() as the prevailing one,
     10 ; so listing %t2.o first is sufficient to ensure that this copy is
     11 ; preempted.
     12 ; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold.so \
     13 ; RUN:     --plugin-opt=thinlto \
     14 ; RUN:     --plugin-opt=save-temps \
     15 ; RUN:     -o %t3.o %t2.o %t.o
     16 ; RUN: llvm-nm %t3.o | FileCheck %s
     17 ; RUN: llvm-dis %t.o.opt.bc -o - | FileCheck --check-prefix=OPT %s
     18 ; RUN: llvm-dis %t2.o.opt.bc -o - | FileCheck --check-prefix=OPT2 %s
     19 
     20 ; CHECK-NOT: U f
     21 ; OPT: define hidden void @weakfunc.llvm.0()
     22 ; OPT2: define weak void @weakfunc()
     23 
     24 target triple = "x86_64-unknown-linux-gnu"
     25 
     26 @weakfuncAlias = alias void (...), bitcast (void ()* @weakfunc to void (...)*)
     27 define weak void @weakfunc() {
     28 entry:
     29   ret void
     30 }
     31