| // RUN: %clang_cc1 -analyze -analyzer-experimental-checks -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -verify %s |
| // RUN: %clang_cc1 -analyze -analyzer-experimental-checks -analyzer-checker=core.experimental.UnreachableCode -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify %s |
| |
| int string_literal_init() { |
| char a[] = "abc"; |
| char b[2] = "abc"; // expected-warning{{too long}} |
| char c[5] = "abc"; |
| |
| if (a[1] != 'b') |
| return 0; // expected-warning{{never executed}} |
| if (b[1] != 'b') |
| return 0; // expected-warning{{never executed}} |
| if (c[1] != 'b') |
| return 0; // expected-warning{{never executed}} |
| |
| if (a[3] != 0) |
| return 0; // expected-warning{{never executed}} |
| if (c[3] != 0) |
| return 0; // expected-warning{{never executed}} |
| |
| if (c[4] != 0) |
| return 0; // expected-warning{{never executed}} |
| |
| return 42; |
| } |
| |
| void nested_compound_literals(int rad) { |
| int vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169}, |
| {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}}; |
| int a; |
| |
| for (a = 0; a < 6; ++a) { |
| vec[a][0] *= rad; // no-warning |
| vec[a][1] *= rad; // no-warning |
| } |
| } |
| |
| void nested_compound_literals_float(float rad) { |
| float vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169}, |
| {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}}; |
| int a; |
| |
| for (a = 0; a < 6; ++a) { |
| vec[a][0] *= rad; // no-warning |
| vec[a][1] *= rad; // no-warning |
| } |
| } |