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// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-inline-call -analyzer-store region -verify %s
int test1_f1() {
int y = 1;
y++;
return y;
}
void test1_f2() {
int x = 1;
x = test1_f1();
if (x == 1) {
int *p = 0;
*p = 3; // no-warning
}
if (x == 2) {
int *p = 0;
*p = 3; // expected-warning{{Dereference of null pointer (loaded from variable 'p')}}
}
}
// Test that inlining works when the declared function has less arguments
// than the actual number in the declaration.
void test2_f1() {}
int test2_f2();
void test2_f3() {
test2_f1(test2_f2()); // expected-warning{{too many arguments in call to 'test2_f1'}}
}
// Test that inlining works with recursive functions.
unsigned factorial(unsigned x) {
if (x <= 1)
return 1;
return x * factorial(x - 1);
}
void test_factorial() {
if (factorial(3) == 6) {
int *p = 0;
*p = 0xDEADBEEF; // expected-warning {{null}}
}
else {
int *p = 0;
*p = 0xDEADBEEF; // no-warning
}
}
void test_factorial_2() {
unsigned x = factorial(3);
if (x == factorial(3)) {
int *p = 0;
*p = 0xDEADBEEF; // expected-warning {{null}}
}
else {
int *p = 0;
*p = 0xDEADBEEF; // no-warning
}
}
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