1 // RUN: %clang_analyze_cc1 %s \ 2 // RUN: -analyzer-checker=core \ 3 // RUN: -analyzer-checker=debug.ExprInspection \ 4 // RUN: -analyzer-config eagerly-assume=false \ 5 // RUN: -verify 6 7 // In this test we check whether the solver's symbol simplification mechanism 8 // is capable of re-assuming simiplified symbols. 9 10 void clang_analyzer_eval(bool); 11 void clang_analyzer_warnIfReached(); 12 test_reassume_false_range(int x,int y)13void test_reassume_false_range(int x, int y) { 14 if (x + y != 0) // x + y == 0 15 return; 16 if (x != 1) // x == 1 17 return; 18 clang_analyzer_eval(y == -1); // expected-warning{{TRUE}} 19 } 20 test_reassume_true_range(int x,int y)21void test_reassume_true_range(int x, int y) { 22 if (x + y != 1) // x + y == 1 23 return; 24 if (x != 1) // x == 1 25 return; 26 clang_analyzer_eval(y == 0); // expected-warning{{TRUE}} 27 } 28 test_reassume_inclusive_range(int x,int y)29void test_reassume_inclusive_range(int x, int y) { 30 if (x + y < 0 || x + y > 1) // x + y: [0, 1] 31 return; 32 if (x != 1) // x == 1 33 return; 34 // y: [-1, 0] 35 clang_analyzer_eval(y > 0); // expected-warning{{FALSE}} 36 clang_analyzer_eval(y < -1);// expected-warning{{FALSE}} 37 } 38