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Diffstat (limited to 'test/Analysis/casts.m')
-rw-r--r-- | test/Analysis/casts.m | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Analysis/casts.m b/test/Analysis/casts.m new file mode 100644 index 0000000..82c29fa --- /dev/null +++ b/test/Analysis/casts.m @@ -0,0 +1,22 @@ +// RUN: clang-cc -analyze -checker-cfref -analyzer-store=basic --verify %s && +// RUN: clang-cc -analyze -checker-cfref -analyzer-store=region --verify %s + +// Test function pointer casts. Currently we track function addresses using +// loc::FunctionVal. Because casts can be arbitrary, do we need to model +// functions with regions? +typedef void* (*MyFuncTest1)(void); + +MyFuncTest1 test1_aux(void); +void test1(void) { + void *x; + void* (*p)(void); + p = ((void*) test1_aux()); + if (p != ((void*) 0)) x = (*p)(); +} + +// Test casts from void* to function pointers. Same issue as above: +// should we eventually model function pointers using regions? +void* test2(void *p) { + MyFuncTest1 fp = (MyFuncTest1) p; + return (*fp)(); +} |