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      1 ; RUN: llvm-as %s -o %t.o
      2 ; RUN: %ld64 -lto_library %llvmshlibdir/libLTO.dylib -arch x86_64 -dylib -mllvm -O0 -o %t.dylib %t.o
      3 ; RUN: llvm-nm -no-llvm-bc %t.dylib | FileCheck --check-prefix=CHECK-O0 %s
      4 ; RUN: %ld64 -lto_library %llvmshlibdir/libLTO.dylib -arch x86_64 -dylib -mllvm -O2 -o %t.dylib %t.o
      5 ; RUN: llvm-nm -no-llvm-bc %t.dylib | FileCheck --check-prefix=CHECK-O2 %s
      6 ; REQUIRES: X86
      7 
      8 target triple = "x86_64-apple-macosx10.8.0"
      9 
     10 ; CHECK-O0: t _f1
     11 ; CHECK-O2-NOT: _f1
     12 define internal void @f1() {
     13   ret void
     14 }
     15 
     16 ; CHECK-O0: T _f2
     17 ; CHECK-O2: T _f2
     18 define void @f2() {
     19   call void @f1()
     20   ret void
     21 }
     22