// Test that misexpect emits no warning when switch condition is non-const // RUN: llvm-profdata merge %S/Inputs/misexpect-switch-nonconst.proftext -o %t.profdata // RUN: %clang_cc1 %s -O2 -o - -disable-llvm-passes -emit-llvm -fprofile-instrument-use-path=%t.profdata -verify // expected-no-diagnostics 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, k; for (j = 0; j < outer_loop; ++j) { for (k = 0; k < inner_loop; ++k) { unsigned condition = rand() % 10000; switch (__builtin_expect(condition, rand())) { case 0: val += sum(arry, arry_size); break; case 1: case 2: case 3: case 4: val += random_sample(arry, arry_size); break; default: __builtin_unreachable(); } // end switch } // end inner_loop } // end outer_loop return 0; }