// Test that misexpect detects mis-annotated switch statements for default case // RUN: llvm-profdata merge %S/Inputs/misexpect-switch-default.proftext -o %t.profdata // RUN: %clang_cc1 %s -O2 -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata -verify -Wmisexpect -debug-info-kind=line-tables-only int sum(int *buff, int size); int random_sample(int *buff, int size); int rand(); void init_arry(); const int inner_loop = 1000; const int outer_loop = 20; const int arry_size = 25; int arry[arry_size] = {0}; int main() { init_arry(); int val = 0; int j; for (j = 0; j < outer_loop * inner_loop; ++j) { unsigned condition = rand() % 5; switch (__builtin_expect(condition, 6)) { // expected-warning-re {{Potential performance regression from use of __builtin_expect(): Annotation was correct on {{.+}}% ({{[0-9]+ / [0-9]+}}) of profiled executions.}} case 0: val += sum(arry, arry_size); break; case 1: case 2: case 3: break; case 4: val += random_sample(arry, arry_size); break; default: __builtin_unreachable(); } // end switch } // end outer_loop return 0; }