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Add uninitialized values test case. 

llvm-svn: 80388
This commit is contained in:
Ted Kremenek 2009-08-28 20:25:33 +00:00
parent 52ac2b5735
commit d65d22a0c5
1 changed files with 18 additions and 0 deletions
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18
clang/test/Analysis/uninit-vals-ps-region.c
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@ -15,3 +15,21 @@ void f4() {
if (global.data == 0) // When the true branch is feasible 'a = 3'.
g(a); // no-warning
}
// Test uninitialized value due to part of the structure being uninitialized.
struct TestUninit { int x; int y; };
struct TestUninit test_uninit_aux();
void test_uninit_pos() {
struct TestUninit v1 = { 0, 0 };
struct TestUninit v2 = test_uninit_aux();
int z;
v1.y = z;
test_unit_aux2(v2.x + v1.y); // expected-warning{{Pass-by-value argument in function call is undefined}}
}
void test_uninit_neg() {
struct TestUninit v1 = { 0, 0 };
struct TestUninit v2 = test_uninit_aux();
test_unit_aux2(v2.x + v1.y); // no-warning
}