120 lines
5.2 KiB
C++
120 lines
5.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-constant-conversion %s
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void choice(int);
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int choice(bool);
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void test() {
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// Result of ! must be type bool.
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int i = choice(!1);
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}
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// rdar://8018252
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void f0() {
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extern void f0_1(int*);
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register int x;
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f0_1(&x);
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}
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namespace test1 {
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template <class T> void bar(T &x) { T::fail(); }
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template <class T> void bar(volatile T &x) {}
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void test_ints() {
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volatile int x;
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bar(x = 5);
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bar(x += 5);
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}
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enum E { E_zero };
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void test_enums() {
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volatile E x;
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bar(x = E_zero);
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bar(x += E_zero); // expected-error {{incompatible type}}
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}
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}
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int test2(int x) {
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return x && 4; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && sizeof(int) == 4; // no warning, RHS is logical op.
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return x && true;
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return x && false;
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return x || true;
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return x || false;
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return x && (unsigned)0; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x || (unsigned)1; // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || 0; // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || 1; // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || -1; // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || 5; // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x && 0; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && 1; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && -1; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && 5; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x || (0); // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || (1); // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || (-1); // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x || (5); // expected-warning {{use of logical '||' with constant operand}} \
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// expected-note {{use '|' for a bitwise operation}}
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return x && (0); // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && (1); // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && (-1); // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x && (5); // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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}
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template<unsigned int A, unsigned int B> struct S
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{
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enum {
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e1 = A && B,
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e2 = A && 7 // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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};
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int foo() {
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int x = A && B;
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int y = B && 3; // expected-warning {{use of logical '&&' with constant operand}} \
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// expected-note {{use '&' for a bitwise operation}} \
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// expected-note {{remove constant to silence this warning}}
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return x + y;
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}
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};
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void test3() {
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S<5, 8> s1;
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S<2, 7> s2;
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(void)s1.foo();
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(void)s2.foo();
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}
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