xref: /llvm-project/clang/test/Analysis/live-variables.cpp (revision 184c6242faca0be0188611d45b41235e68ef282a)
1*184c6242SDominic Chen // RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s
2cf8d2165SAnna Zaks // expected-no-diagnostics
3cf8d2165SAnna Zaks class B {
4cf8d2165SAnna Zaks public:
5cf8d2165SAnna Zaks   bool m;
~B()6cf8d2165SAnna Zaks   ~B() {} // The destructor ensures that the binary logical operator below is wrapped in the ExprWithCleanups.
7cf8d2165SAnna Zaks };
8cf8d2165SAnna Zaks B foo();
9cf8d2165SAnna Zaks int getBool();
10cf8d2165SAnna Zaks int *getPtr();
test()11cf8d2165SAnna Zaks int test() {
12cf8d2165SAnna Zaks   int r = 0;
13cf8d2165SAnna Zaks   for (int x = 0; x< 10; x++) {
14cf8d2165SAnna Zaks     int *p = getPtr();
15cf8d2165SAnna Zaks     // Liveness info is not computed correctly due to the following expression.
16cf8d2165SAnna Zaks     // This happens due to CFG being special cased for short circuit operators.
17cf8d2165SAnna Zaks     // PR18159
18cf8d2165SAnna Zaks     if (p != 0 && getBool() && foo().m && getBool()) {
19cf8d2165SAnna Zaks       r = *p; // no warning
20cf8d2165SAnna Zaks     }
21cf8d2165SAnna Zaks   }
22cf8d2165SAnna Zaks   return r;
23cf8d2165SAnna Zaks }
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