diff options
Diffstat (limited to 'test/Analysis/misc-ps.m')
| -rw-r--r-- | test/Analysis/misc-ps.m | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/test/Analysis/misc-ps.m b/test/Analysis/misc-ps.m index d2eef0d..42168b9 100644 --- a/test/Analysis/misc-ps.m +++ b/test/Analysis/misc-ps.m @@ -1,8 +1,8 @@ // NOTE: Use '-fobjc-gc' to test the analysis being run twice, and multiple reports are not issued. -// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref --analyzer-store=basic -fobjc-gc -analyzer-constraints=basic --verify -fblocks %s -// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref --analyzer-store=basic -analyzer-constraints=range --verify -fblocks %s -// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref --analyzer-store=region -analyzer-constraints=basic --verify -fblocks %s -// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref --analyzer-store=region -analyzer-constraints=range --verify -fblocks %s +// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=basic -fobjc-gc -analyzer-constraints=basic -verify -fblocks %s +// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=basic -analyzer-constraints=range -verify -fblocks %s +// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -analyzer-constraints=basic -verify -fblocks %s +// RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -analyzer-constraints=range -verify -fblocks %s typedef struct objc_ivar *Ivar; typedef struct objc_selector *SEL; @@ -750,3 +750,46 @@ void test_undefined_array_subscript() { int *p = &a[i]; // expected-warning{{Array subscript is undefined}} } @end + +//===----------------------------------------------------------------------===// +// Test using an uninitialized value as a branch condition. +//===----------------------------------------------------------------------===// + +int test_uninit_branch(void) { + int x; + if (x) // expected-warning{{Branch condition evaluates to a garbage value}} + return 1; + return 0; +} + +int test_uninit_branch_b(void) { + int x; + return x ? 1 : 0; // expected-warning{{Branch condition evaluates to a garbage value}} +} + +int test_uninit_branch_c(void) { + int x; + if ((short)x) // expected-warning{{Branch condition evaluates to a garbage value}} + return 1; + return 0; +} + +//===----------------------------------------------------------------------===// +// Test passing an undefined value in a message or function call. +//===----------------------------------------------------------------------===// + +void test_bad_call_aux(int x); +void test_bad_call(void) { + int y; + test_bad_call_aux(y); // expected-warning{{Pass-by-value argument in function call is undefined}} +} + +@interface TestBadArg {} +- (void) testBadArg:(int) x; +@end + +void test_bad_msg(TestBadArg *p) { + int y; + [p testBadArg:y]; // expected-warning{{Pass-by-value argument in message expression is undefined}} +} + |
