llvm-project/clang/test/Analysis/uninit-vals.m

35 lines
739 B
Objective-C

// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=basic -verify %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -verify %s
typedef unsigned int NSUInteger;
@interface A
- (NSUInteger)foo;
@end
NSUInteger f8(A* x){
const NSUInteger n = [x foo];
int* bogus;
if (n > 0) { // tests const cast transfer function logic
NSUInteger i;
for (i = 0; i < n; ++i)
bogus = 0;
if (bogus) // no-warning
return n+1;
}
return n;
}
// PR10163 -- don't warn for default-initialized float arrays.
// (An additional test is in uninit-vals-ps-region.m)
void test_PR10163(float);
void PR10163 (void) {
float x[2] = {0};
test_PR10163(x[1]); // no-warning
}