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      1 // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | FileCheck %s
      2 
      3 // <rdar://problem/12843084>
      4 
      5 int test1(int a) {
      6   switch (a % 2) {
      7   case 0:
      8     ++a;
      9   case 1:
     10     a /= 2;
     11   }
     12   return a;
     13 }
     14 
     15 // Check that the noredzone flag is set on the generated functions.
     16 
     17 // CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]]
     18 // CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]]
     19 // CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]]
     20 // CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
     21 
     22 // CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
     23