diff options
Diffstat (limited to 'test/SemaCXX/expressions.cpp')
| -rw-r--r-- | test/SemaCXX/expressions.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/SemaCXX/expressions.cpp b/test/SemaCXX/expressions.cpp index c4e9dcc..95ece48 100644 --- a/test/SemaCXX/expressions.cpp +++ b/test/SemaCXX/expressions.cpp @@ -32,3 +32,34 @@ namespace test1 { bar(x += E_zero); // expected-error {{incompatible type}} } } + +int test2(int x) { + return x && 4; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + + return x && sizeof(int) == 4; // no warning, RHS is logical op. + return x && true; + return x && false; + return x || true; + return x || false; + + return x && (unsigned)0; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + + return x || (unsigned)1; // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + + return x || 0; // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || 1; // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || -1; // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || 5; // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x && 0; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && 1; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && -1; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && 5; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x || (0); // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || (1); // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || (-1); // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x || (5); // expected-warning {{use of logical || with constant operand; switch to bitwise | or remove constant}} + return x && (0); // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && (1); // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && (-1); // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} + return x && (5); // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}} +} |
