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// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-constraints=basic -analyzer-store=basic %s 2>&1 | FileCheck -check-prefix=darwin8 %s
// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-constraints=basic -analyzer-store=region %s 2>&1 | FileCheck -check-prefix=darwin8 %s
// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-constraints=basic -analyzer-store=basic %s 2>&1 | FileCheck -check-prefix=darwin9 %s
// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-constraints=basic -analyzer-store=region %s 2>&1 | FileCheck -check-prefix=darwin9 %s
@interface MyClass {}
- (void *)voidPtrM;
- (int)intM;
- (long long)longlongM;
- (double)doubleM;
- (long double)longDoubleM;
- (void)voidM;
@end
@implementation MyClass
- (void *)voidPtrM { return (void *)0; }
- (int)intM { return 0; }
- (long long)longlongM { return 0; }
- (double)doubleM { return 0.0; }
- (long double)longDoubleM { return 0.0; }
- (void)voidM {}
@end
void createFoo() {
MyClass *obj = 0;
void *v = [obj voidPtrM]; // no-warning
int i = [obj intM]; // no-warning
}
void createFoo2() {
MyClass *obj = 0;
long double ld = [obj longDoubleM]; // expected-warning{{The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage}}
}
void createFoo3() {
MyClass *obj;
obj = 0;
long long ll = [obj longlongM]; // expected-warning{{The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage}}
}
void createFoo4() {
MyClass *obj = 0;
double d = [obj doubleM]; // expected-warning{{The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage}}
}
void createFoo5() {
MyClass *obj = @"";
double d = [obj doubleM]; // no-warning
}
void handleNilPruneLoop(MyClass *obj) {
if (!!obj)
return;
// Test if [obj intM] evaluates to 0, thus pruning the entire loop.
for (int i = 0; i < [obj intM]; i++) {
long long j = [obj longlongM]; // no-warning
}
long long j = [obj longlongM]; // expected-warning{{The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage}}
}
int handleVoidInComma() {
MyClass *obj = 0;
return [obj voidM], 0;
}
int marker(void) { // control reaches end of non-void function
}
// CHECK-darwin8: control reaches end of non-void function
// CHECK-darwin8: warning: The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage
// CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
// CHECK-darwin8: warning: The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage
// CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
// CHECK-darwin8: 5 warnings generated
// CHECK-darwin9: control reaches end of non-void function
// CHECK-darwin9: 1 warning generated
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