diff options
Diffstat (limited to 'test/Analysis/array-struct-region.c')
| -rw-r--r-- | test/Analysis/array-struct-region.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/test/Analysis/array-struct-region.c b/test/Analysis/array-struct-region.c index 18d5b2a375..c1eddcdd21 100644 --- a/test/Analysis/array-struct-region.c +++ b/test/Analysis/array-struct-region.c @@ -1,25 +1,21 @@ -// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=basic -verify %s -// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=range -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,debug.ExprInspection -analyzer-store=region -analyzer-constraints=basic -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,debug.ExprInspection -analyzer-store=region -analyzer-constraints=range -verify %s + +void clang_analyzer_eval(int); 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}} + clang_analyzer_eval(a[1] == 'b'); // expected-warning{{TRUE}} + clang_analyzer_eval(b[1] == 'b'); // expected-warning{{TRUE}} + clang_analyzer_eval(c[1] == 'b'); // expected-warning{{TRUE}} - if (a[3] != 0) - return 0; // expected-warning{{never executed}} - if (c[3] != 0) - return 0; // expected-warning{{never executed}} + clang_analyzer_eval(a[3] == 0); // expected-warning{{TRUE}} + clang_analyzer_eval(c[3] == 0); // expected-warning{{TRUE}} - if (c[4] != 0) - return 0; // expected-warning{{never executed}} + clang_analyzer_eval(c[4] == 0); // expected-warning{{TRUE}} return 42; } @@ -48,13 +44,16 @@ void nested_compound_literals_float(float rad) { void struct_as_array() { - struct simple { int x; }; + struct simple { int x; int y; }; struct simple a; struct simple *p = &a; + p->x = 5; - if (!p[0].x) - return; // expected-warning{{never executed}} - if (p[0].x) - return; // no-warning + clang_analyzer_eval(a.x == 5); // expected-warning{{TRUE}} + clang_analyzer_eval(p[0].x == 5); // expected-warning{{TRUE}} + + p[0].y = 5; + clang_analyzer_eval(a.y == 5); // expected-warning{{TRUE}} + clang_analyzer_eval(p->y == 5); // expected-warning{{TRUE}} } |