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298 |
jeremybenn |
/* PR 7543. Test operation of -Wparentheses. Precedence warnings.
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!a | b and !a & b. */
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/* { dg-do compile } */
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/* { dg-options "-Wparentheses" } */
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int foo (int);
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int
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bar (int a, int b, int c)
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{
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foo (!a & b); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b < c));
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foo (!a & (b > c));
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foo (!a & (b == c));
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foo (!a & (b != c));
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foo (!a & (b <= c));
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foo (!a & (b >= c));
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foo (!a & (b && c));
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foo (!a & (b || c));
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foo (!a & !b);
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foo (!(a & b));
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foo ((!a) & b);
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foo (!a & 2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 < c));
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foo (!a & (2 > c));
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foo (!a & (2 == c));
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foo (!a & (2 != c));
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foo (!a & (2 <= c));
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foo (!a & (2 >= c));
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foo (!a & (2 && c));
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foo (!a & (2 || c));
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foo (!a & !2);
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foo (!(a & 2));
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foo ((!a) & 2);
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foo (!1 & 2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 < c));
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foo (!1 & (2 > c));
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foo (!1 & (2 == c));
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foo (!1 & (2 != c));
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foo (!1 & (2 <= c));
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foo (!1 & (2 >= c));
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foo (!1 & (2 && c));
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foo (!1 & (2 || c));
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foo (!1 & !2);
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foo (!(1 & 2));
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foo (!a | b); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b < c));
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foo (!a | (b > c));
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foo (!a | (b == c));
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foo (!a | (b != c));
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foo (!a | (b <= c));
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foo (!a | (b >= c));
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foo (!a | (b && c));
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foo (!a | (b || c));
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foo (!a | !b);
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foo (!(a | b));
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foo ((!a) | b);
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foo (!a | 2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 < c));
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foo (!a | (2 > c));
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foo (!a | (2 == c));
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foo (!a | (2 != c));
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foo (!a | (2 <= c));
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foo (!a | (2 >= c));
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foo (!a | (2 && c));
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foo (!a | (2 || c));
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foo (!a | !2);
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foo (!(a | 2));
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foo ((!a) | 2);
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foo (!1 | 2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 < c));
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foo (!1 | (2 > c));
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foo (!1 | (2 == c));
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foo (!1 | (2 != c));
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foo (!1 | (2 <= c));
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foo (!1 | (2 >= c));
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foo (!1 | (2 && c));
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foo (!1 | (2 || c));
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foo (!1 | !2);
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foo (!(1 | 2));
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foo ((!1) | 2);
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foo (b & !a); /* { dg-bogus "parentheses" "bogus warning" } */
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foo ((b < c) & !a);
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foo ((b > c) & !a);
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foo ((b == c) & !a);
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foo ((b != c) & !a);
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foo ((b <= c) & !a);
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foo ((b >= c) & !a);
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foo ((b && c) & !a);
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foo ((b || c) & !a);
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foo (!b & !a);
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foo (!(b & a));
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foo (b & (!a));
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foo (2 & !a); /* { dg-bogus "parentheses" "correct warning" } */
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foo ((2 < c) & !a);
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foo ((2 > c) & !a);
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foo ((2 == c) & !a);
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foo ((2 != c) & !a);
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foo ((2 <= c) & !a);
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foo ((2 >= c) & !a);
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foo ((2 && c) & !a);
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foo ((2 || c) & !a);
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foo (!2 & !a);
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foo (!(2 & a));
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foo (2 & (!a));
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foo (2 & !1); /* { dg-bogus "parentheses" "correct warning" } */
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foo ((2 < c) & !1);
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foo ((2 > c) & !1);
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foo ((2 == c) & !1);
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foo ((2 != c) & !1);
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foo ((2 <= c) & !1);
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foo ((2 >= c) & !1);
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foo ((2 && c) & !1);
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foo ((2 || c) & !1);
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foo (!2 & !1);
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foo (!(2 & 1));
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foo (b | !a); /* { dg-bogus "parentheses" "correct warning" } */
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foo ((b < c) | !a);
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foo ((b > c) | !a);
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foo ((b == c) | !a);
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foo ((b != c) | !a);
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foo ((b <= c) | !a);
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foo ((b >= c) | !a);
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foo ((b && c) | !a);
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foo ((b || c) | !a);
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foo (!b | !a);
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foo (!(b | a));
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foo (b | (!a));
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foo (2 | !a); /* { dg-bogus "parentheses" "correct warning" } */
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foo ((2 < c) | !a);
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foo ((2 > c) | !a);
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foo ((2 == c) | !a);
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foo ((2 != c) | !a);
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foo ((2 <= c) | !a);
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foo ((2 >= c) | !a);
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foo ((2 && c) | !a);
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foo ((2 || c) | !a);
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foo (!2 | !a);
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foo (!(2 | a));
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foo (2 | (!a));
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foo (2 | !1); /* { dg-bogus "parentheses" "correct warning" } */
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foo ((2 < c) | !1);
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foo ((2 > c) | !1);
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foo ((2 == c) | !1);
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foo ((2 != c) | !1);
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foo ((2 <= c) | !1);
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foo ((2 >= c) | !1);
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foo ((2 && c) | !1);
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foo ((2 || c) | !1);
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foo (!2 | !1);
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foo (!(2 | 1));
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foo (2 | (!1));
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}
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int
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baz (int a, int b, int c)
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{
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foo (!a & (b << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b = c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & ~b); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (b | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & 2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (c = 2)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & ~2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a & (2 | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (c = 2)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & ~2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 & (2 | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b = c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | ~b); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (b | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (c = 2)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | ~2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!a | (2 | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 << c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 >> c));/* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 + c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 - c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (c = 2)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | ~2); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 & c)); /* { dg-warning "parentheses" "correct warning" } */
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foo (!1 | (2 | c)); /* { dg-warning "parentheses" "correct warning" } */
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foo ((b << c) & !a);
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foo ((b >> c) & !a);
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foo ((b + c) & !a);
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foo ((b - c) & !a);
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foo ((b = c) & !a);
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foo (~b & !a);
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foo ((b & c) & !a);
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foo ((b | c) & !a);
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foo ((2 << c) & !a);
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foo ((2 >> c) & !a);
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foo ((2 + c) & !a);
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foo ((2 - c) & !a);
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foo ((c = 2) & !a);
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foo (~2 & !a);
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foo ((2 & c) & !a);
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foo ((2 | c) & !a);
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foo ((2 << c) & !1);
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foo ((2 >> c) & !1);
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foo ((2 + c) & !1);
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foo ((2 - c) & !1);
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foo ((c = 2) & !1);
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foo (~2 & !1);
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foo ((2 & c) & !1);
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foo ((2 | c) & !1);
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foo ((b << c) | !a);
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foo ((b >> c) | !a);
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foo ((b + c) | !a);
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foo ((b - c) | !a);
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foo ((b = c) | !a);
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foo (~b | !a);
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foo ((b & c) | !a);
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foo ((b | c) | !a);
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foo ((2 << c) | !a);
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foo ((2 >> c) | !a);
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foo ((2 + c) | !a);
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foo ((2 - c) | !a);
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foo ((c = 2) | !a);
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foo (~2 | !a);
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foo ((2 & c) | !a);
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foo ((2 | c) | !a);
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foo ((2 << c) | !1);
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foo ((2 >> c) | !1);
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foo ((2 + c) | !1);
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foo ((2 - c) | !1);
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foo ((c = 2) | !1);
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foo (~2 | !1);
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foo ((2 & c) | !1);
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foo ((2 | c) | !1);
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}
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