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      1 // Check that the profiling counters and data we create have the linkage we expect
      2 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-linkage.c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck %s
      3 
      4 // CHECK: @__profc_foo = private global
      5 // CHECK: @__profd_foo = private global
      6 // CHECK: @__profc_foo_weak = weak hidden global
      7 // CHECK: @__profd_foo_weak = weak hidden global
      8 // CHECK: @__profc_main = private global
      9 // CHECK: @__profd_main = private global
     10 // CHECK: @__profc_c_linkage.c_foo_internal = private global
     11 // CHECK: @__profd_c_linkage.c_foo_internal = private global
     12 
     13 void foo(void) { }
     14 
     15 void foo_weak(void) __attribute__((weak));
     16 void foo_weak(void) { if (0){} if (0){} if (0){} if (0){} }
     17 
     18 static void foo_internal(void);
     19 int main(void) {
     20   foo();
     21   foo_internal();
     22   foo_weak();
     23   return 0;
     24 }
     25 
     26 static void foo_internal(void) { if (0){} if (0){} }
     27