33 lines · c
1// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s2 3int x = 1;4 5struct {6 int a, b;7} s = {2, 3};8 9int arr[] = {4, 5, 6};10 11void clang_analyzer_eval(int);12 13int main(void) {14 // In main() we know that the initial values are still valid.15 clang_analyzer_eval(x == 1); // expected-warning{{TRUE}}16 clang_analyzer_eval(s.a == 2); // expected-warning{{TRUE}}17 clang_analyzer_eval(s.b == 3); // expected-warning{{TRUE}}18 clang_analyzer_eval(arr[0] == 4); // expected-warning{{TRUE}}19 clang_analyzer_eval(arr[1] == 5); // expected-warning{{TRUE}}20 clang_analyzer_eval(arr[2] == 6); // expected-warning{{TRUE}}21 return 0;22}23 24void foo(void) {25 // In other functions these values may already be overwritten.26 clang_analyzer_eval(x == 1); // expected-warning{{TRUE}} // expected-warning{{FALSE}}27 clang_analyzer_eval(s.a == 2); // expected-warning{{TRUE}} // expected-warning{{FALSE}}28 clang_analyzer_eval(s.b == 3); // expected-warning{{TRUE}} // expected-warning{{FALSE}}29 clang_analyzer_eval(arr[0] == 4); // expected-warning{{TRUE}} // expected-warning{{FALSE}}30 clang_analyzer_eval(arr[1] == 5); // expected-warning{{TRUE}} // expected-warning{{FALSE}}31 clang_analyzer_eval(arr[2] == 6); // expected-warning{{TRUE}} // expected-warning{{FALSE}}32}33