1 // Test that misexpect emits no warning when there is only one switch case 2 3 // RUN: llvm-profdata merge %S/Inputs/misexpect-switch-default-only.proftext -o %t.profdata 4 // RUN: %clang_cc1 %s -O2 -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata -verify -Wmisexpect -debug-info-kind=line-tables-only 5 6 // expected-no-diagnostics 7 8 #define inner_loop 1000 9 #define outer_loop 20 10 #define arry_size 25 11 12 int sum(int *buff, int size); 13 int random_sample(int *buff, int size); 14 int rand(); 15 void init_arry(); 16 17 int arry[arry_size] = {0}; 18 main()19int main() { 20 init_arry(); 21 int val = 0; 22 23 int j, k; 24 for (j = 0; j < outer_loop; ++j) { 25 for (k = 0; k < inner_loop; ++k) { 26 unsigned condition = rand() % 10000; 27 switch (__builtin_expect(condition, 0)) { 28 default: 29 val += random_sample(arry, arry_size); 30 break; 31 }; // end switch 32 } // end inner_loop 33 } // end outer_loop 34 35 return 0; 36 } 37