99 lines
3.5 KiB
Objective-C
99 lines
3.5 KiB
Objective-C
// RUN: %clang_cc1 -triple i386-apple-darwin8 -analyze -analyzer-checker=core,alpha.core -analyzer-constraints=range -analyzer-store=region -Wno-objc-root-class %s > %t.1 2>&1
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// RUN: FileCheck -input-file=%t.1 -check-prefix=CHECK-darwin8 %s
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// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-checker=core,alpha.core -analyzer-constraints=range -analyzer-store=region -Wno-objc-root-class %s > %t.2 2>&1
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// RUN: FileCheck -input-file=%t.2 -check-prefix=CHECK-darwin9 %s
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// RUN: %clang_cc1 -triple thumbv6-apple-ios4.0 -analyze -analyzer-checker=core,alpha.core -analyzer-constraints=range -analyzer-store=region -Wno-objc-root-class %s > %t.3 2>&1
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// RUN: FileCheck -input-file=%t.3 -check-prefix=CHECK-darwin9 %s
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@interface MyClass {}
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- (void *)voidPtrM;
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- (int)intM;
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- (long long)longlongM;
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- (unsigned long long)unsignedLongLongM;
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- (double)doubleM;
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- (long double)longDoubleM;
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- (void)voidM;
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@end
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@implementation MyClass
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- (void *)voidPtrM { return (void *)0; }
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- (int)intM { return 0; }
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- (long long)longlongM { return 0; }
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- (unsigned long long)unsignedLongLongM { return 0; }
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- (double)doubleM { return 0.0; }
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- (long double)longDoubleM { return 0.0; }
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- (void)voidM {}
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@end
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void createFoo() {
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MyClass *obj = 0;
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void *v = [obj voidPtrM]; // no-warning
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int i = [obj intM]; // no-warning
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}
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void createFoo2() {
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MyClass *obj = 0;
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long double ld = [obj longDoubleM];
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}
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void createFoo3() {
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MyClass *obj;
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obj = 0;
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long long ll = [obj longlongM];
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}
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void createFoo4() {
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MyClass *obj = 0;
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double d = [obj doubleM];
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}
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void createFoo5() {
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MyClass *obj = (id)@"";
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double d = [obj doubleM]; // no-warning
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}
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void createFoo6() {
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MyClass *obj;
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obj = 0;
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unsigned long long ull = [obj unsignedLongLongM];
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}
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void handleNilPruneLoop(MyClass *obj) {
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if (!!obj)
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return;
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// Test if [obj intM] evaluates to 0, thus pruning the entire loop.
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for (int i = 0; i < [obj intM]; i++) {
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long long j = [obj longlongM];
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}
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long long j = [obj longlongM];
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}
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int handleVoidInComma() {
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MyClass *obj = 0;
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return [obj voidM], 0;
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}
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int marker(void) { // control reaches end of non-void function
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}
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// CHECK-darwin8: warning: The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage
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// CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
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// CHECK-darwin8: warning: The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage
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// CHECK-darwin8: warning: The receiver of message 'unsignedLongLongM' is nil and returns a value of type 'unsigned long long' that will be garbage
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// CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
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// CHECK-darwin9-NOT: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
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// CHECK-darwin9-NOT: warning: The receiver of message 'unsignedLongLongM' is nil and returns a value of type 'unsigned long long' that will be garbage
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// CHECK-darwin9-NOT: warning: The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage
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// CHECK-darwin9-NOT: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage
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// CHECK-darwin9-NOT: warning: The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage
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// CHECK-darwin9: 1 warning generated
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