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Diffstat (limited to 'test/Analysis/inlining/false-positive-suppression.m')
-rw-r--r-- | test/Analysis/inlining/false-positive-suppression.m | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Analysis/inlining/false-positive-suppression.m b/test/Analysis/inlining/false-positive-suppression.m new file mode 100644 index 0000000000000..53ec138367ebc --- /dev/null +++ b/test/Analysis/inlining/false-positive-suppression.m @@ -0,0 +1,38 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config suppress-null-return-paths=false -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify -DSUPPRESSED=1 %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-config avoid-suppressing-null-argument-paths=true -DSUPPRESSED=1 -DNULL_ARGS=1 -verify %s + +#ifdef SUPPRESSED +// expected-no-diagnostics +#endif + +@interface PointerWrapper +- (int *)getPtr; +- (id)getObject; +@end + +id getNil() { + return 0; +} + +void testNilReceiverHelperA(int *x) { + *x = 1; +#ifndef SUPPRESSED + // expected-warning@-2 {{Dereference of null pointer}} +#endif +} + +void testNilReceiverHelperB(int *x) { + *x = 1; +#ifndef SUPPRESSED + // expected-warning@-2 {{Dereference of null pointer}} +#endif +} + +void testNilReceiver(int coin) { + id x = getNil(); + if (coin) + testNilReceiverHelperA([x getPtr]); + else + testNilReceiverHelperB([[x getObject] getPtr]); +} |