38 lines · cpp
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: -verify6 7// In this test we check whether the solver's symbol simplification mechanism8// is capable of re-assuming simiplified symbols.9 10void clang_analyzer_eval(bool);11void clang_analyzer_warnIfReached();12 13void test_reassume_false_range(int x, int y) {14 if (x + y != 0) // x + y == 015 return;16 if (x != 1) // x == 117 return;18 clang_analyzer_eval(y == -1); // expected-warning{{TRUE}}19}20 21void test_reassume_true_range(int x, int y) {22 if (x + y != 1) // x + y == 123 return;24 if (x != 1) // x == 125 return;26 clang_analyzer_eval(y == 0); // expected-warning{{TRUE}}27}28 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 == 133 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