// RUN: %clang_cc1 -emit-llvm -o %t %s @interface Object - (id) new; @end @interface SomeClass : Object { int _myValue; } @property int myValue; @end @implementation SomeClass @synthesize myValue=_myValue; @end int main() { int val; SomeClass *o = [SomeClass new]; o.myValue = -1; val = o.myValue++; /* val -1, o.myValue 0 */ val += o.myValue--; /* val -1. o.myValue -1 */ val += ++o.myValue; /* val -1, o.myValue 0 */ val += --o.myValue; /* val -2, o.myValue -1 */ return ++o.myValue + (val+2); }