| // RUN: %clang_analyze_cc1 -x c++ -analyzer-checker=debug.ExprInspection \ |
| // RUN: -analyzer-config support-symbolic-integer-casts=false \ |
| // RUN: -verify %s |
| |
| // RUN: %clang_analyze_cc1 -x c++ -analyzer-checker=debug.ExprInspection \ |
| // RUN: -analyzer-config support-symbolic-integer-casts=true \ |
| // RUN: -verify %s |
| |
| template <typename T> |
| void clang_analyzer_dump(T); |
| |
| void test_no_redundant_floating_point_cast(int n) { |
| |
| double D = n / 30; |
| clang_analyzer_dump(D); // expected-warning{{(double) ((reg_$0<int n>) / 30)}} |
| |
| // There are two cast operations evaluated above: |
| // 1. (n / 30) is cast to a double during the store of `D`. |
| // 2. Then in the next line, in RegionStore::getBinding during the load of `D`. |
| // |
| // We should not see in the dump of the SVal any redundant casts like |
| // (double) ((double) $n / 30) |
| |
| } |
