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117 lines
6.0 KiB
C
117 lines
6.0 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin -fsyntax-only -Wtautological-constant-out-of-range-compare -verify %s
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int value(void);
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int main(void)
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{
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int a = value();
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if (a == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a < 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a <= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a > 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a >= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (0x1234567812345678L == a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (0x1234567812345678L != a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (0x1234567812345678L < a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (0x1234567812345678L <= a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (0x1234567812345678L > a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (0x1234567812345678L >= a) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a == 0x1234567812345678LL) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a == -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a < -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a > -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a <= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always false}}
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return 0;
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if (a >= -0x1234567812345678L) // expected-warning {{comparison of constant -1311768465173141112 with expression of type 'int' is always true}}
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return 0;
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if (a == 0x12345678L) // no warning
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return 1;
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short s = value();
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if (s == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (s != 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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if (s < 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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if (s <= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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if (s > 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (s >= 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (0x1234567812345678L == s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (0x1234567812345678L != s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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if (0x1234567812345678L < s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (0x1234567812345678L <= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always false}}
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return 0;
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if (0x1234567812345678L > s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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if (0x1234567812345678L >= s) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'short' is always true}}
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return 0;
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long l = value();
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if (l == 0x1234567812345678L)
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return 0;
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if (l != 0x1234567812345678L)
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return 0;
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if (l < 0x1234567812345678L)
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return 0;
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if (l <= 0x1234567812345678L)
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return 0;
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if (l > 0x1234567812345678L)
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return 0;
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if (l >= 0x1234567812345678L)
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return 0;
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if (0x1234567812345678L == l)
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return 0;
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if (0x1234567812345678L != l)
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return 0;
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if (0x1234567812345678L < l)
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return 0;
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if (0x1234567812345678L <= l)
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return 0;
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if (0x1234567812345678L > l)
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return 0;
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if (0x1234567812345678L >= l)
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return 0;
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enum E {
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yes,
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no,
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maybe
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};
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enum E e;
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if (e == 0x1234567812345678L) // expected-warning {{comparison of constant 1311768465173141112 with expression of type 'enum E' is always false}}
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return 0;
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return 1;
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}
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