Import Clang, at r72732.

1 files changed, 67 insertions, 0 deletions

diff --git a/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret.m b/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret.m
new file mode 100644
index 0000000..9a64b30
--- /dev/null
+++ b/test/Analysis/nil-receiver-undefined-larger-than-voidptr-ret.m
@@ -0,0 +1,67 @@
+// RUN: clang-cc -triple i386-apple-darwin9 -analyze -checker-cfref -analyzer-constraints=basic -analyzer-store=basic %s -verify
+
+@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 in the message expression is 'nil' and results in the returned value}}
+}
+
+void createFoo3() {
+  MyClass *obj;
+  obj = 0;  
+  
+  long long ll = [obj longlongM]; // expected-warning{{The receiver in the message expression is 'nil' and results in the returned value}}
+}
+
+void createFoo4() {
+  MyClass *obj = 0;  
+  
+  double d = [obj doubleM]; // expected-warning{{The receiver in the message expression is 'nil' and results in the returned value}}
+}
+
+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 in the message expression is 'nil' and results in the returned value}}
+}
+
+int handleVoidInComma() {
+  MyClass *obj = 0;
+  return [obj voidM], 0;
+}